This statistic shows the 20 countries with the highest population growth rate in 2024. In SouthSudan, the population grew by about 4.65 percent compared to the previous year, making it the country with the highest population growth rate in 2024. The global population Today, the global population amounts to around 7 billion people, i.e. the total number of living humans on Earth. More than half of the global population is living in Asia, while one quarter of the global population resides in Africa. High fertility rates in Africa and Asia, a decline in the mortality rates and an increase in the median age of the world population all contribute to the global population growth. Statistics show that the global population is subject to increase by almost 4 billion people by 2100. The global population growth is a direct result of people living longer because of better living conditions and a healthier nutrition. Three out of five of the most populous countries in the world are located in Asia. Ultimately the highest population growth rate is also found there, the country with the highest population growth rate is Syria. This could be due to a low infant mortality rate in Syria or the ever -expanding tourism sector.

About this dataset

Context

The dataset tabulates the Rapid City population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Rapid City across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2023, the population of Rapid City was 79,404, a 0.87% increase year-by-year from 2022. Previously, in 2022, Rapid City population was 78,716, an increase of 2.57% compared to a population of 76,743 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Rapid City increased by 18,495. In this period, the peak population was 79,404 in the year 2023. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

• From 2000 to 2023

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2023)
• Population: The population for the specific year for the Rapid City is shown in this column.
• Year on Year Change: This column displays the change in Rapid City population for each year compared to the previous year.
• Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Rapid City Population by Year. You can refer the same here

In the past four centuries, the population of the United States has grown from a recorded 350 people around the Jamestown colony of Virginia in 1610, to an estimated 331 million people in 2020. The pre-colonization populations of the indigenous peoples of the Americas have proven difficult for historians to estimate, as their numbers decreased rapidly following the introduction of European diseases (namely smallpox, plague and influenza). Native Americans were also omitted from most censuses conducted before the twentieth century, therefore the actual population of what we now know as the United States would have been much higher than the official census data from before 1800, but it is unclear by how much. Population growth in the colonies throughout the eighteenth century has primarily been attributed to migration from the British Isles and the Transatlantic slave trade; however it is also difficult to assert the ethnic-makeup of the population in these years as accurate migration records were not kept until after the 1820s, at which point the importation of slaves had also been illegalized. Nineteenth century In the year 1800, it is estimated that the population across the present-day United States was around six million people, with the population in the 16 admitted states numbering at 5.3 million. Migration to the United States began to happen on a large scale in the mid-nineteenth century, with the first major waves coming from Ireland, Britain and Germany. In some aspects, this wave of mass migration balanced out the demographic impacts of the American Civil War, which was the deadliest war in U.S. history with approximately 620 thousand fatalities between 1861 and 1865. The civil war also resulted in the emancipation of around four million slaves across the south; many of whose ancestors would take part in the Great Northern Migration in the early 1900s, which saw around six million black Americans migrate away from the south in one of the largest demographic shifts in U.S. history. By the end of the nineteenth century, improvements in transport technology and increasing economic opportunities saw migration to the United States increase further, particularly from southern and Eastern Europe, and in the first decade of the 1900s the number of migrants to the U.S. exceeded one million people in some years. Twentieth and twenty-first century The U.S. population has grown steadily throughout the past 120 years, reaching one hundred million in the 1910s, two hundred million in the 1960s, and three hundred million in 2007. In the past century, the U.S. established itself as a global superpower, with the world's largest economy (by nominal GDP) and most powerful military. Involvement in foreign wars has resulted in over 620,000 further U.S. fatalities since the Civil War, and migration fell drastically during the World Wars and Great Depression; however the population continuously grew in these years as the total fertility rate remained above two births per woman, and life expectancy increased (except during the Spanish Flu pandemic of 1918).

Since the Second World War, Latin America has replaced Europe as the most common point of origin for migrants, with Hispanic populations growing rapidly across the south and border states. Because of this, the proportion of non-Hispanic whites, which has been the most dominant ethnicity in the U.S. since records began, has dropped more rapidly in recent decades. Ethnic minorities also have a much higher birth rate than non-Hispanic whites, further contributing to this decline, and the share of non-Hispanic whites is expected to fall below fifty percent of the U.S. population by the mid-2000s. In 2020, the United States has the third-largest population in the world (after China and India), and the population is expected to reach four hundred million in the 2050s.

Historical chart and dataset showing U.S. population growth rate by year from 1961 to 2023.

In the middle of 2023, about 60 percent of the global population was living in Asia.The total world population amounted to 8.1 billion people on the planet. In other words 4.7 billion people were living in Asia as of 2023. Global populationDue to medical advances, better living conditions and the increase of agricultural productivity, the world population increased rapidly over the past century, and is expected to continue to grow. After reaching eight billion in 2023, the global population is estimated to pass 10 billion by 2060. Africa expected to drive population increase Most of the future population increase is expected to happen in Africa. The countries with the highest population growth rate in 2024 were mostly African countries. While around 1.47 billion people live on the continent as of 2024, this is forecast to grow to 3.9 billion by 2100. This is underlined by the fact that most of the countries wit the highest population growth rate are found in Africa. The growing population, in combination with climate change, puts increasing pressure on the world's resources.

About this dataset

Context

The dataset tabulates the Rapid River township population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Rapid River township across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2023, the population of Rapid River township was 1,292, a 1.49% increase year-by-year from 2022. Previously, in 2022, Rapid River township population was 1,273, an increase of 1.68% compared to a population of 1,252 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Rapid River township increased by 286. In this period, the peak population was 1,292 in the year 2023. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

• From 2000 to 2023

Variables / Data Columns

• Year: This column displays the data year (Measured annually and for years 2000 to 2023)
• Population: The population for the specific year for the Rapid River township is shown in this column.
• Year on Year Change: This column displays the change in Rapid River township population for each year compared to the previous year.
• Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Rapid River township Population by Year. You can refer the same here

Cambridge was the fastest growing city in the United Kingdom between 2013 and 2023, with its population increasing by 17.3 percent. Exeter, Milton Keynes, and Peterborough also grew quite fast, with their populations increasing by 15.2 percent, 14.9 percent, and 14 percent, respectively. Largest UK urban areas When looking at cities defined by their urban agglomerations, as of 2023, London had approximately 9.65 million people living there, far larger than any other city in the United Kingdom. The urban agglomeration around the city of Birmingham had a population of approximately 2.67 million, while the urban areas around Manchester and Leeds had populations of 2.79 and 1.92 million respectively. London not only dominated other UK cities in terms of its population, but in its importance to the UK economy. In 2023, the gross domestic product of Greater London was approximately 569 billion British pounds, compared with 101 billion for Greater Manchester, and 85 billion in the West Midlands Metropolitan Area centered around Birmingham. UK population growth In 2023, the overall population of the United Kingdom was estimated to have reached approximately 68.3 million, compared with around 58.9 million in 2000. Since 1970, 2023 was also the year with the highest population growth rate, growing by 0.98 percent, and was at its lowest in 1982 when it shrank by 0.12 percent. Although the UK's birth rate has declined considerably in recent years, immigration to the UK has been high enough to drive population growth in the UK, which has had a positive net migration rate since 1994.

Most baleen whale populations are increasing after the end of industrial whaling, but their recovery patterns challenge long-standing assumptions about density dependence. It has long been assumed that population growth rates will decline with recovery, until reaching equilibrium (“carrying capacity”, K). Indeed, the International Whaling Commission assumes that growth rates will slow long before K is reached, with maximum productivity at 0.6K. This 0.6K population level is used as an international benchmark that forms the basis of whaling regulations and decisions about whether baleen whale populations are declared depleted. We fit models to four long-term datasets for baleen whales with multiple abundance estimates that span the range from low to high abundance, finding strong evidence that increase rates remain at near-maximal levels across a wide range of abundance levels, and only decline as the population nears K. As a result, maximum productivity occurs at 0.69–0.87 of K across these populations, which predicts more rapid recovery for baleen whale populations than currently assumed. The overall mean of these values (0.8K) would be a more sensible default choice than the 0.6K currently assumed. Synthesis and applications: Estimated recovery rates imply that management thresholds currently used are lower than actual maximum productivity, and that populations can increase rapidly even at high abundance. However, if population models continue to assume that maximum productivity is at 0.6K, they will estimate abundance relative to K to be lower than it is, providing conservative assessment results. Our results should stimulate further discussion about the role of maximum sustainable yield (MSY) as a fundamental concept in fisheries and wildlife management.

India population growth rate for 2023 was 0.88%, a 0.09% increase from 2022.

<ul style='margin-top:20px;'>

<li>India population growth rate for 2022 was <strong>0.79%</strong>, a <strong>0.03% decline</strong> from 2021.</li>
<li>India population growth rate for 2021 was <strong>0.82%</strong>, a <strong>0.15% decline</strong> from 2020.</li>
<li>India population growth rate for 2020 was <strong>0.97%</strong>, a <strong>0.07% decline</strong> from 2019.</li>
</ul>Annual population growth rate for year t is the exponential rate of growth of midyear population from year t-1 to t, expressed as a percentage . Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.

As the contemporary economy continues to become ever more focused on services, and incomes in the developing world rise, a rising majority of the global population are becoming urban dwellers. Read More

Genetic diversity is essential for persistence of animal populations over both the short- and long-term. Previous studies suggest that genetic diversity may decrease with population decline due to genetic drift or inbreeding of small populations. For oscillating populations, there are some studies on the relationship between population density and genetic diversity, but these studies were based on short-term observation or in low-density phases. Evidence from rapidly expanding populations is lacking. In this study, genetic diversity of a rapidly expanding population of the Greater long-tailed hamsters during 1984–1990, in the Raoyang County of the North China Plain was studied using DNA microsatellite markers. Results show that genetic diversity was positively correlated with population density (as measured by % trap success), and the increase in population density was correlated with a decrease of genetic differentiation between the sub-population A and B. The genetic diversity tended to be higher in spring than in autumn. Variation in population density and genetic diversity are consistent between sub-population A and B. Such results suggest that dispersal is density- and season-dependent in a rapidly expanding population of the Greater long-tailed hamster. For typically solitary species, increasing population density can increase intra-specific attack, which is a driving force for dispersal. This situation is counterbalanced by decreasing population density caused by genetic drift or inbreeding as the result of small population size. Season is a major factor influencing population density and genetic diversity. Meanwhile, roads, used to be considered as geographical isolation, have less effect on genetic differentiation in a rapidly expanding population. Evidences suggest that gene flow (Nm) is positively correlated with population density, and it is significant higher in spring than that in autumn.

In 2023, it is estimated that the BRICS countries have a combined population of 3.25 billion people, which is over 40 percent of the world population. The majority of these people live in either China or India, which have a population of more than 1.4 billion people each, while the other three countries have a combined population of just under 420 million. Comparisons Although the BRICS countries are considered the five foremost emerging economies, they are all at various stages of the demographic transition and have different levels of population development. For all of modern history, China has had the world's largest population, but rapidly dropping fertility and birth rates in recent decades mean that its population growth has slowed. In contrast, India's population growth remains much higher, and it is expected to overtake China in the next few years to become the world's most populous country. The fastest growing population in the BRICS bloc, however, is that of South Africa, which is at the earliest stage of demographic development. Russia, is the only BRICS country whose population is currently in decline, and it has been experiencing a consistent natural decline for most of the past three decades. Growing populations = growing opportunities Between 2000 and 2026, the populations of the BRICS countries is expected to grow by 625 million people, and the majority of this will be in India and China. As the economies of these two countries grow, so too do living standards and disposable income; this has resulted in the world's two most populous countries emerging as two of the most profitable markets in the world. China, sometimes called the "world's factory" has seen a rapid growth in its middle class, increased potential of its low-tier market, and its manufacturing sector is now transitioning to the production of more technologically advanced and high-end goods to meet its domestic demand.

From now until 2100, India and China will remain the most populous countries in the world, however China's population decline has already started, and it is on course to fall by around 50 percent in the 2090s; while India's population decline is projected to begin in the 2060s. Of the 10 most populous countries in the world in 2100, five will be located in Asia, four in Africa, as well as the United States. Rapid growth in Africa Rapid population growth across Africa will see the continent's population grow from around 1.5 billion people in 2024 to 3.8 billion in 2100. Additionally, unlike China or India, population growth in many of these countries is not expected to go into decline, and instead is expected to continue well into the 2100s. Previous estimates had projected these countries' populations would be much higher by 2100 (the 2019 report estimated Nigeria's population would exceed 650 million), yet the increased threat of the climate crisis and persistent instability is delaying demographic development and extending population growth. The U.S. as an outlier Compared to the nine other largest populations in 2100, the United States stands out as it is more demographically advanced, politically stable, and economically stronger. However, while most other so-called "advanced countries" are projected to see their population decline drastically in the coming decades, the U.S. population is projected to continue growing into the 2100s. This will largely be driven by high rates of immigration into the U.S., which will drive growth despite fertility rates being around 1.6 births per woman (below the replacement level of 2.1 births per woman), and the slowing rate of life expectancy. Current projections estimate the U.S. will have a net migration rate over 1.2 million people per year for the remainder of the century.

Bible Study Software Market Outlook

The global Bible Study Software market size was valued at approximately USD 600 million in 2023 and is projected to reach around USD 1 billion by 2032, growing at a compound annual growth rate (CAGR) of 5.5% during the forecast period. The growth of this market is primarily driven by the increasing digitization and the growing popularity of digital religious materials among various user groups.

A significant factor contributing to the growth of the Bible Study Software market is the widespread adoption of digital tools for religious education and personal study. As technology becomes more integrated into daily life, religious communities are increasingly turning to software solutions to facilitate Bible study, making these tools indispensable. Digital platforms offer a variety of features such as search functionalities, cross-referencing, and multimedia integration, which enhance the overall study experience and make the text more accessible to users of all ages and backgrounds.

Additionally, the surge in remote learning and virtual gatherings, spurred by global events such as the COVID-19 pandemic, has further accelerated the demand for Bible study software. Churches and educational institutions have had to adapt to new modes of teaching and community building, which has led to an increased reliance on digital solutions. This transition not only supports regular study but also fosters a sense of community among users who may be geographically dispersed, thus driving market growth.

Increasing smartphone penetration and internet accessibility are also crucial drivers for the Bible Study Software market. With a significant portion of the global population now owning smartphones and having consistent internet access, mobile and web-based applications for Bible study have seen a steep rise in usage. These platforms offer convenience and flexibility, allowing users to engage with religious texts anytime and anywhere, which is particularly appealing to younger demographics who are accustomed to digital media consumption.

Regionally, North America holds the largest share of the Bible Study Software market, driven by a high rate of technological adoption and a strong Christian demographic. Europe follows closely, with a growing interest in digital religious resources. Meanwhile, the Asia Pacific region is anticipated to witness the fastest growth during the forecast period, owing to the increasing Christian population and rapid digitization in countries such as South Korea, India, and the Philippines. The Middle East & Africa and Latin America are also showing promising signs of growth, albeit at a slower pace compared to other regions.

Platform Analysis

The Bible Study Software market is segmented by platform into Windows, Mac, iOS, Android, and Web-based. The Windows segment currently dominates the market, largely due to the widespread use of personal computers running on Windows OS in homes, churches, and academic institutions. Windows-based software offers robust functionalities, including advanced search options, complex note-taking abilities, and seamless integration with other software, making it a preferred choice for serious Bible scholars and educators.

Mac users, although a smaller segment, represent a growing market share. The appeal of Mac-based Bible study software lies in its user-friendly interface and the seamless integration with other Apple products. The increasing popularity of Mac computers in academic and professional settings contributes to the growth of this segment. Developers are increasingly focusing on creating high-quality, Mac-compatible Bible study tools to cater to this niche but growing user base.

The iOS and Android segments are witnessing significant growth, driven by the proliferation of smartphones and tablets. Mobile-based Bible study applications offer unparalleled convenience, enabling users to study on the go. These apps often include features such as verse-of-the-day notifications, audio Bibles, and social sharing capabilities, which enhance user engagement and retention. Given the global trend toward mobile internet usage, the iOS and Android segments are expected to continue growing rapidly.

Web-based platforms are also gaining traction, particularly among users who prefer not to download software. These platforms offer flexibility and accessibility from any device with internet connectivity, making them an attractive option for occasional users and those who prioritize cross-device compatibility. Web-based

Understanding changes in abundance is crucial for conservation, but population growth rates often vary over space and time. We use 40 years of count data (1979–2019) and Bayesian state-space models to assess the African penguin Spheniscus demersus population under IUCN Red List Criterion A. We deconstruct the overall decline in time and space to identify where urgent conservation action is needed. The global African penguin population met the threshold for Endangered with a high probability (97%), having declined by almost 65% since 1989. An historical low of ~17,700 pairs bred in 2019. Annual changes were faster in the South African population (−4.2%, highest posterior density interval, HPDI: −7.8 to −0.6%) than the Namibian one (−0.3%, HPDI: −3.3 to +2.6%), and since 1999 were almost −10% at South African colonies north of Cape Town. Over the 40-year period, the Eastern Cape colonies went from holding ~25% of the total penguin population to ~40% as numbers decreased more rapidly elsew...

Food Market Outlook

The global food market size was valued at approximately $8.2 trillion in 2023 and is projected to reach around $12.3 trillion by 2032, growing at a CAGR of 4.5% during the forecast period. This growth is primarily driven by increasing urbanization, rising disposable incomes, and the evolving dietary preferences of consumers worldwide. The growing awareness about health and wellness, along with the advancements in food technology, have further fueled the market's expansion. As consumers become increasingly conscious of their food choices, demand for organic and natural products continues to rise, thus fostering the market's growth trajectory.

One of the significant growth factors in the food market is the rapid increase in urban populations. Urbanization has led to a shift in lifestyle and eating habits, with more people relying on processed and convenience foods to accommodate their busy schedules. This trend has spurred demand for packaged and ready-to-eat food products, which are perceived as time-saving and efficient options for urban dwellers. Additionally, urbanization has contributed to the proliferation of supermarkets and hypermarkets, offering a wide variety of food products under one roof, thus enhancing consumer access and convenience. Furthermore, the expansion of the middle class in emerging economies has bolstered purchasing power, allowing consumers to explore premium food options, further energizing market growth.

Another factor driving the food market is the growing emphasis on health and wellness. Consumers are increasingly prioritizing their health and are seeking food products that offer nutritional benefits and are free from artificial additives. This shift has significantly influenced product development and innovation, with manufacturers focusing on fortifying food with essential nutrients and reducing harmful ingredients. The demand for organic and clean-label products has surged, as consumers associate these options with better health outcomes. Food companies are responding to this trend by investing in sustainable sourcing practices and transparent labeling, aiming to gain consumer trust and loyalty. This focus on health-conscious products is not only shaping consumer preferences but also redefining the competitive landscape of the food industry.

Technological advancements in food processing and preservation have also played a critical role in propelling market growth. Innovations such as smart packaging, cold chain logistics, and improved food safety measures have enhanced product shelf life and quality, thereby minimizing food wastage and expanding market reach. These technological strides have enabled food companies to cater to global demand efficiently while maintaining product integrity. Moreover, the integration of digital technologies, such as e-commerce platforms and mobile applications, has transformed the food retailing landscape, allowing consumers to access a wide array of products from the comfort of their homes. The digital revolution in the food sector has not only streamlined supply chains but also facilitated direct communication between brands and consumers, fostering a more personalized shopping experience.

Regionally, the food market exhibits distinct growth patterns. Asia Pacific, with its burgeoning population and rapid economic development, represents a significant growth area. The region's growing middle class and increasing consumer spending on food and beverages are key drivers. North America and Europe also show robust growth potential, driven by high demand for organic and health-focused products. In contrast, Latin America and the Middle East & Africa are witnessing moderate growth, primarily due to their developing economies and evolving consumer preferences. However, these regions present untapped potential, with opportunities for market players to expand their footprint by offering tailored products that cater to local tastes and preferences.

Product Type Analysis

The food market is segmented into various product types, including processed food, fresh food, packaged food, organic food, and others. Processed food products, which include items that have been altered through cooking, freezing, or canning, hold a significant share of the market. The convenience and long shelf life they offer make them popular among urban consumers with fast-paced lifestyles. Brands in this segment are continually innovating to meet the demand for healthier processed options, such as low-sodium or sugar-free variants. However, concerns regarding the health implications of some processed foods have prompted manufacturers to enhance

Species around the world have suffered collapses, and a key question is why some populations are more vulnerable than others. Traditional conservation biology and evidence from terrestrial species suggest that slow-growing populations are most at risk, but interactions between climate variability and harvest dynamics may alter or even reverse this pattern. Here, we test this hypothesis globally. We use boosted regression trees to analyse the influences of harvesting, species traits and climate variability on the risk of collapse (decline below a fixed threshold) across 154 marine fish populations around the world. The most important factor explaining collapses was the magnitude of overfishing, while the duration of overfishing best explained long-term depletion. However, fast growth was the next most important risk factor. Fast-growing populations and those in variable environments were especially sensitive to overfishing, and the risk of collapse was more than tripled for fast-growing when compared with slow-growing species that experienced overfishing. We found little evidence that, in the absence of overfishing, climate variability or fast growth rates alone drove population collapse over the last six decades. Expanding efforts to rapidly adjust harvest pressure to account for climate-driven lows in productivity could help to avoid future collapses, particularly among fast-growing species.

Global change drivers are imposing novel conditions on Earth's ecosystems at an unprecedented rate. Among them, biological invasions and climate change are of critical concern. It is generally thought that strictly asexual populations will be more susceptible to rapid environmental alterations due to their lack of genetic variability and, thus, of adaptive responses. In this study, we evaluated the persistence of a widely distributed asexual lineage of the alfalfa race of the pea aphid, Acyrthosiphon pisum, along a latitudinal transect of approximately 600 Km in central Chile after facing environmental change for a decade. Based on microsatellite markers, we found an almost total replacement of the original aphid superclone by a new variant. Considering the unprecedented warming that this region has experienced in recent years, we experimentally evaluated the reproductive performance of these two A. pisum lineages at different thermal regimes. The new variant exhibits higher rates of po..., Sampling and laboratory rearing In a previous study [47], A. pisum individuals were sampled from alfalfa fields in the spring and summer of 2017-2018 in central Chile, the same region previously surveyed by Peccoud et al. [23] in 2006-2007 (latitude 35 to 40 ºS, see [47]). This study showed that there were only two MLGs in this area (named APG2 and APG3 in [47]), with 96% of the genotyped individuals belonging to APG3 and the remaining 4% to APG2. Clonal lineages were established in the laboratory from these two MLG by rearing them separately on broad bean plants (Vicia faba L.) inside 4 L transparent plastic buckets, kept in a climatic chamber at 20°C (± 0.5°C) with a long photoperiod (LD = 16:8) to ensure their sustained parthenogenetic reproduction [46, 50]. Five aphids from each lineage were taken before performing the experimental procedures on the thermal response (see below), and their DNA was extracted to confirm their genetic profile. Genetic profiles and secondary symbionts as..., Data analysis Since the MLGs used in this study came from the same region previously surveyed by Peccoud et al. [23], a Neighbor-Joining (NJ) tree of MLGs was built with the MLGs found in this study and those found by Peccoud et al. [23] using the seven original microsatellite markers to make both studies comparable. NJ tree was constructed based on a distance matrix of allele shared distances (DAS) with bootstrapping of 1000 replicates and computed by the software Populations v1.2.31 [57]. To analyze and compare the intrinsic growth rate of each lineage within their thermal niche, we fitted a linear model after a visual diagnostic of the data using constant acclimation temperature and MLG as independent variables and intrinsic growth rate as dependent variable. Then, predicted values of rm were used to show how detected differences in rm between genotypes could be translated into an ecologically relevant scenario. We assessed how daily population growth and cumulative population size a..., Script and data for:

Martel et al. "Rapid turnover of a pea aphid superclone mediated by thermal endurance in central Chile" (submitted).

Contains 6 files:

(1) Martel et al_SupercloneTurnover.R - R script for statistical analysis and figures.

(2) dataset_xSM.xlsx - original experimental dataset. Variables: - n.sample: Mark of the experimental individual (internal use). Some individuals are marked as NA ("not applicable"), since they were identified and measured in a second experimental round. However, this is not crucial for the experiment. - Temp.trial: Experimental temperature (15, 20, 25 constant temperature; 38, 42 heat shock) - Gen: Genotype of each experimental individual (APG2 or APG3). - Edad: Age of each experimental individual in days since birth. - Tiempo.gen: Time between birth of experimental individual and the birth of its first nymph, in days. - N.crias: Total number of alive nymphs births to the 10th day since the birth of the 1st nymph.

(3) dataset_xSM...

AbstractRates of hybridization are predicted to increase due to climate change and human activity that cause redistribution of species and bring previously isolated populations into contact. At the same time, climate change leads to rapid changes in the environment, requiring populations to adapt rapidly in order to survive. A few empirical cases suggest hybridization can facilitate adaptation despite its potential for incompatibilities and deleterious fitness consequences. Here we use simulations and Fisher’s Geometric model to evaluate the conditions and time frame of adaptation via hybridization in both diploids and haplodiploids. We find that hybrids adapt faster to new environments compared to parental populations in nearly all simulated scenarios, generating a fitness advantage that can offset intrinsic incompatibilities and last for tens of generations, regardless of whether the population was diploid or haplodiploid. Our results highlight the creative role of hybridization and suggest that hybridization may help contemporary populations adapt to the changing climate. However, adaptation by hybrids may well happen at the cost of reduced biodiversity, if previously isolated lineages collapse into one. MethodsThis dataset contains a collection of SLiM 3.6 (Haller & Messer, 2019) simulation scripts used for the paper "Kulmuni, Wiley, Otto. 2023. On the fast track: hybrids adapt more rapidly than parental populations in a novel environment". Usage notesSLiM 3.6 (Haller & Messer, 2019)

Elderly Dating Platform Market Outlook

The global elderly dating platform market size was valued at approximately USD 1.5 billion in 2023 and is projected to reach around USD 3.8 billion by 2032, exhibiting a compound annual growth rate (CAGR) of 11.0% during the forecast period. This remarkable growth can be attributed to the increasing adoption of digital platforms by the elderly population, combined with rising social acceptance and the desire for companionship among senior citizens.

One of the primary growth factors driving the elderly dating platform market is the growing elderly population worldwide. As the global population ages, the number of people aged 60 and above continues to rise, leading to a higher demand for social interaction and companionship. This demographic shift is particularly pronounced in regions such as North America and Europe, where life expectancy is higher and the proportion of elderly individuals is significant. Furthermore, technological advancements and increased internet penetration have made it easier for older adults to access online services, including dating platforms.

Another significant growth factor is the changing societal attitudes towards dating and relationships among the elderly. In the past, seniors were often perceived as asexual or uninterested in romantic relationships. However, this perception is rapidly changing as more elderly individuals seek companionship and romantic connections. The increasing acceptance of online dating as a legitimate and safe means of meeting potential partners has also contributed to the market's growth. Media portrayals and success stories of elderly couples who met online have further normalized the concept, encouraging more seniors to explore online dating options.

The convenience and accessibility of elderly dating platforms are also major factors driving market growth. These platforms offer user-friendly interfaces, personalized matchmaking algorithms, and a wide range of features tailored to the needs and preferences of older adults. For instance, many platforms provide safety features such as background checks and privacy controls to ensure a secure and comfortable dating experience. Additionally, the availability of mobile apps has made it easier for seniors to connect with potential partners on the go, further boosting the market's expansion.

The emergence of the Online Love Rush phenomenon has significantly influenced the elderly dating platform market. This trend highlights the increasing enthusiasm among seniors to explore romantic relationships through digital means. The Online Love Rush is characterized by a surge in online interactions and connections, driven by the convenience and accessibility of modern technology. For many elderly individuals, this represents a new avenue to rediscover companionship and love, often leading to meaningful and lasting relationships. As more seniors become comfortable with digital communication, the Online Love Rush is expected to continue shaping the dynamics of the dating market, encouraging platforms to innovate and cater to this growing demographic.

From a regional perspective, North America and Europe are currently the largest markets for elderly dating platforms, driven by a high percentage of the elderly population and widespread internet access. However, the Asia Pacific region is expected to witness the fastest growth during the forecast period. This is due to the rapidly aging population in countries like Japan and China, coupled with increasing internet penetration and the growing acceptance of online dating. Latin America and the Middle East & Africa regions also present significant growth opportunities, albeit at a slower pace, as internet accessibility and societal attitudes towards online dating continue to evolve.

Service Type Analysis

The elderly dating platform market can be segmented by service type into four main categories: online dating, mobile dating, matchmaking services, and social dating. Each service type caters to different preferences and technological comforts of the elderly demographic. Online dating platforms have traditionally been the most popular, offering a wide range of features such as profile creation, search filters, and messaging services. These platforms are often accessed through desktop computers, making them suitable for older adults who may not be as comfortable using smartphones.

Mobile dating platforms, on the other h