Life expectancy in Japan was 36.4 in the year 1860, and over the course of the next 160 years, it is expected to have increased to 84.4, which is the second highest in the world (after Monaco). Although life expectancy has generally increased throughout Japan's history, there were several times where the rate deviated from its previous trajectory. These changes were a result of the Spanish Flu in the 1910s, the Second World War in the 1940s, and the sharp increase was due to the high rate of industrialization and economic prosperity in Japan, in the mid-twentieth century.

Over the past 160 years, life expectancy (from birth) in the United States has risen from 39.4 years in 1860, to 78.9 years in 2020. One of the major reasons for the overall increase of life expectancy in the last two centuries is the fact that the infant and child mortality rates have decreased by so much during this time. Medical advancements, fewer wars and improved living standards also mean that people are living longer than they did in previous centuries.

Despite this overall increase, the life expectancy dropped three times since 1860; from 1865 to 1870 during the American Civil War, from 1915 to 1920 during the First World War and following Spanish Flu epidemic, and it has dropped again between 2015 and now. The reason for the most recent drop in life expectancy is not a result of any specific event, but has been attributed to negative societal trends, such as unbalanced diets and sedentary lifestyles, high medical costs, and increasing rates of suicide and drug use.

United States - Life Expectancy at Birth, Total for High Income Countries was 80.15000 Number of Years in January of 2023, according to the United States Federal Reserve. Historically, United States - Life Expectancy at Birth, Total for High Income Countries reached a record high of 80.88737 in January of 2019 and a record low of 68.55283 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Life Expectancy at Birth, Total for High Income Countries - last updated from the United States Federal Reserve on June of 2025.

United Kingdom UK: Life Expectancy at Birth: Total data was reported at 80.956 Year in 2016. This stayed constant from the previous number of 80.956 Year for 2015. United Kingdom UK: Life Expectancy at Birth: Total data is updated yearly, averaging 75.380 Year from Dec 1960 (Median) to 2016, with 57 observations. The data reached an all-time high of 81.305 Year in 2014 and a record low of 70.827 Year in 1963. United Kingdom UK: Life Expectancy at Birth: Total data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s UK – Table UK.World Bank: Health Statistics. Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.; ; (1) United Nations Population Division. World Population Prospects: 2017 Revision, or derived from male and female life expectancy at birth from sources such as: (2) Census reports and other statistical publications from national statistical offices, (3) Eurostat: Demographic Statistics, (4) United Nations Statistical Division. Population and Vital Statistics Reprot (various years), (5) U.S. Census Bureau: International Database, and (6) Secretariat of the Pacific Community: Statistics and Demography Programme.; Weighted average;

Monaco had the highest life expectancy among both men and women worldwide as of 2024. That year, life expectancy for men and women was 84 and 89 years, respectively. The East Asian countries and regions Hong Kong, Japan, South Korea, and Macao followed. Many of the countries on the list are struggling with aging populations and a declining workforce as more people enter retirement age compared to people entering employment.

United States - Life Expectancy at Birth, Total for Upper Middle Income Countries was 76.19481 Number of Years in January of 2023, according to the United States Federal Reserve. Historically, United States - Life Expectancy at Birth, Total for Upper Middle Income Countries reached a record high of 76.19481 in January of 2023 and a record low of 46.32320 in January of 1950. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Life Expectancy at Birth, Total for Upper Middle Income Countries - last updated from the United States Federal Reserve on June of 2025.

Japan life expectancy for 2025 is 85.27, a 0.14% increase from 2024.

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

<li>Japan life expectancy for 2024 was <strong>85.15</strong>, a <strong>0.14% increase</strong> from 2023.</li>
<li>Japan life expectancy for 2023 was <strong>85.03</strong>, a <strong>0.14% increase</strong> from 2022.</li>
<li>Japan life expectancy for 2022 was <strong>84.91</strong>, a <strong>0.14% increase</strong> from 2021.</li>
</ul>Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.

For most of the world, throughout most of human history, the average life expectancy from birth was around 24. This figure fluctuated greatly depending on the time or region, and was higher than 24 in most individual years, but factors such as pandemics, famines, and conflicts caused regular spikes in mortality and reduced life expectancy. Child mortality The most significant difference between historical mortality rates and modern figures is that child and infant mortality was so high in pre-industrial times; before the introduction of vaccination, water treatment, and other medical knowledge or technologies, women would have around seven children throughout their lifetime, but around half of these would not make it to adulthood. Accurate, historical figures for infant mortality are difficult to ascertain, as it was so prevalent, it took place in the home, and was rarely recorded in censuses; however, figures from this source suggest that the rate was around 300 deaths per 1,000 live births in some years, meaning that almost one in three infants did not make it to their first birthday in certain periods. For those who survived to adolescence, they could expect to live into their forties or fifties on average. Modern figures It was not until the eradication of plague and improvements in housing and infrastructure in recent centuries where life expectancy began to rise in some parts of Europe, before industrialization and medical advances led to the onset of the demographic transition across the world. Today, global life expectancy from birth is roughly three times higher than in pre-industrial times, at almost 73 years. It is higher still in more demographically and economically developed countries; life expectancy is over 82 years in the three European countries shown, and over 84 in Japan. For the least developed countries, mostly found in Sub-Saharan Africa, life expectancy from birth can be as low as 53 years.

World life expectancy for 2025 is 73.49, a 0.23% increase from 2024.

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

<li>World life expectancy for 2024 was <strong>73.33</strong>, a <strong>0% increase</strong> from 2023.</li>
<li>World life expectancy for 2023 was <strong>73.33</strong>, a <strong>0.49% increase</strong> from 2022.</li>
<li>World life expectancy for 2022 was <strong>72.97</strong>, a <strong>2.46% increase</strong> from 2021.</li>
</ul>Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.

Life Expectancy at Birth, Total for the United States was 78.38537 Number of Years in January of 2023, according to the United States Federal Reserve. Historically, Life Expectancy at Birth, Total for the United States reached a record high of 78.84146 in January of 2014 and a record low of 69.77073 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for Life Expectancy at Birth, Total for the United States - last updated from the United States Federal Reserve on June of 2025.

Germany FSO Projection: Population: High Life Expectancy & Immigration Trend data was reported at 74,753.000 Person th in 2060. This records a decrease from the previous number of 75,011.000 Person th for 2059. Germany FSO Projection: Population: High Life Expectancy & Immigration Trend data is updated yearly, averaging 80,273.000 Person th from Dec 2014 (Median) to 2060, with 47 observations. The data reached an all-time high of 82,039.000 Person th in 2020 and a record low of 74,753.000 Person th in 2060. Germany FSO Projection: Population: High Life Expectancy & Immigration Trend data remains active status in CEIC and is reported by Federal Statistics Office Germany. The data is categorized under Global Database’s Germany – Table DE.G003: Population: Projection: Federal Statistics Office Germany.

VITAL SIGNS INDICATOR Life Expectancy (EQ6)

FULL MEASURE NAME Life Expectancy

LAST UPDATED April 2017

DESCRIPTION Life expectancy refers to the average number of years a newborn is expected to live if mortality patterns remain the same. The measure reflects the mortality rate across a population for a point in time.

DATA SOURCE State of California, Department of Health: Death Records (1990-2013) No link

California Department of Finance: Population Estimates Annual Intercensal Population Estimates (1990-2010) Table P-2: County Population by Age (2010-2013) http://www.dof.ca.gov/Forecasting/Demographics/Estimates/

U.S. Census Bureau: Decennial Census ZCTA Population (2000-2010) http://factfinder.census.gov

U.S. Census Bureau: American Community Survey 5-Year Population Estimates (2013) http://factfinder.census.gov

CONTACT INFORMATION vitalsigns.info@mtc.ca.gov

METHODOLOGY NOTES (across all datasets for this indicator) Life expectancy is commonly used as a measure of the health of a population. Life expectancy does not reflect how long any given individual is expected to live; rather, it is an artificial measure that captures an aspect of the mortality rates across a population that can be compared across time and populations. More information about the determinants of life expectancy that may lead to differences in life expectancy between neighborhoods can be found in the Bay Area Regional Health Inequities Initiative (BARHII) Health Inequities in the Bay Area report at http://www.barhii.org/wp-content/uploads/2015/09/barhii_hiba.pdf. Vital Signs measures life expectancy at birth (as opposed to cohort life expectancy). A statistical model was used to estimate life expectancy for Bay Area counties and ZIP Codes based on current life tables which require both age and mortality data. A life table is a table which shows, for each age, the survivorship of a people from a certain population.

Current life tables were created using death records and population estimates by age. The California Department of Public Health provided death records based on the California death certificate information. Records include age at death and residential ZIP Code. Single-year age population estimates at the regional- and county-level comes from the California Department of Finance population estimates and projections for ages 0-100+. Population estimates for ages 100 and over are aggregated to a single age interval. Using this data, death rates in a population within age groups for a given year are computed to form unabridged life tables (as opposed to abridged life tables). To calculate life expectancy, the probability of dying between the jth and (j+1)st birthday is assumed uniform after age 1. Special consideration is taken to account for infant mortality.

For the ZIP Code-level life expectancy calculation, it is assumed that postal ZIP Codes share the same boundaries as ZIP Code Census Tabulation Areas (ZCTAs). More information on the relationship between ZIP Codes and ZCTAs can be found at http://www.census.gov/geo/reference/zctas.html. ZIP Code-level data uses three years of mortality data to make robust estimates due to small sample size. Year 2013 ZIP Code life expectancy estimates reflects death records from 2011 through 2013. 2013 is the last year with available mortality data. Death records for ZIP Codes with zero population (like those associated with P.O. Boxes) were assigned to the nearest ZIP Code with population. ZIP Code population for 2000 estimates comes from the Decennial Census. ZIP Code population for 2013 estimates are from the American Community Survey (5-Year Average). ACS estimates are adjusted using Decennial Census data for more accurate population estimates. An adjustment factor was calculated using the ratio between the 2010 Decennial Census population estimates and the 2012 ACS 5-Year (with middle year 2010) population estimates. This adjustment factor is particularly important for ZCTAs with high homeless population (not living in group quarters) where the ACS may underestimate the ZCTA population and therefore underestimate the life expectancy. The ACS provides ZIP Code population by age in five-year age intervals. Single-year age population estimates were calculated by distributing population within an age interval to single-year ages using the county distribution. Counties were assigned to ZIP Codes based on majority land-area.

ZIP Codes in the Bay Area vary in population from over 10,000 residents to less than 20 residents. Traditional life expectancy estimation (like the one used for the regional- and county-level Vital Signs estimates) cannot be used because they are highly inaccurate for small populations and may result in over/underestimation of life expectancy. To avoid inaccurate estimates, ZIP Codes with populations of less than 5,000 were aggregated with neighboring ZIP Codes until the merged areas had a population of more than 5,000. ZIP Code 94103, representing Treasure Island, was dropped from the dataset due to its small population and having no bordering ZIP Codes. In this way, the original 305 Bay Area ZIP Codes were reduced to 217 ZIP Code areas for 2013 estimates. Next, a form of Bayesian random-effects analysis was used which established a prior distribution of the probability of death at each age using the regional distribution. This prior is used to shore up the life expectancy calculations where data were sparse.

Life Expectancy at Birth: Female: Mexico data was reported at 77.580 Year in 2018. This records an increase from the previous number of 77.450 Year for 2017. Life Expectancy at Birth: Female: Mexico data is updated yearly, averaging 75.820 Year from Dec 1970 (Median) to 2018, with 49 observations. The data reached an all-time high of 78.790 Year in 2006 and a record low of 62.400 Year in 1970. Life Expectancy at Birth: Female: Mexico data remains active status in CEIC and is reported by National Population Council. The data is categorized under Global Database’s Mexico – Table MX.G006: Life Expectancy at Birth: by State.

Mexico Life Expectancy at Birth: Male: Jalisco data was reported at 72.260 Year in 2018. This records an increase from the previous number of 72.140 Year for 2017. Mexico Life Expectancy at Birth: Male: Jalisco data is updated yearly, averaging 70.140 Year from Dec 1970 (Median) to 2018, with 49 observations. The data reached an all-time high of 73.120 Year in 2006 and a record low of 58.450 Year in 1970. Mexico Life Expectancy at Birth: Male: Jalisco data remains active status in CEIC and is reported by National Population Council. The data is categorized under Global Database’s Mexico – Table MX.G006: Life Expectancy at Birth: by State.

United States - Life Expectancy at Birth, Total for Low Income Countries was 65.00667 Number of Years in January of 2023, according to the United States Federal Reserve. Historically, United States - Life Expectancy at Birth, Total for Low Income Countries reached a record high of 65.00667 in January of 2023 and a record low of 33.88184 in January of 1950. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Life Expectancy at Birth, Total for Low Income Countries - last updated from the United States Federal Reserve on June of 2025.

This table contains 2754 series, with data for years 2005/2007 - 2012/2014 (not all combinations necessarily have data for all years). This table contains data described by the following dimensions (Not all combinations are available): Geography (153 items: Canada; Newfoundland and Labrador; Eastern Regional Integrated Health Authority, Newfoundland and Labrador; Central Regional Integrated Health Authority, Newfoundland and Labrador; ...);  Age group (2 items: At birth; At age 65);  Sex (3 items: Both sexes; Males; Females);  Characteristics (3 items: Life expectancy; Low 95% confidence interval, life expectancy; High 95% confidence interval, life expectancy).

A global phenomenon, known as the demographic transition, has seen life expectancy from birth increase rapidly over the past two centuries. In pre-industrial societies, the average life expectancy was around 24 years, and it is believed that this was the case throughout most of history, and in all regions. The demographic transition then began in the industrial societies of Europe, North America, and the West Pacific around the turn of the 19th century, and life expectancy rose accordingly. Latin America was the next region to follow, before Africa and most Asian populations saw their life expectancy rise throughout the 20th century.

United States - Life Expectancy at Birth, Total for OECD Members was 80.16348 Number of Years in January of 2023, according to the United States Federal Reserve. Historically, United States - Life Expectancy at Birth, Total for OECD Members reached a record high of 80.20509 in January of 2019 and a record low of 67.22609 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Life Expectancy at Birth, Total for OECD Members - last updated from the United States Federal Reserve on June of 2025.

Life Expectancy at Birth: Male: Mexico City data was reported at 73.360 Year in 2018. This records an increase from the previous number of 73.260 Year for 2017. Life Expectancy at Birth: Male: Mexico City data is updated yearly, averaging 69.380 Year from Dec 1970 (Median) to 2018, with 49 observations. The data reached an all-time high of 73.360 Year in 2018 and a record low of 60.790 Year in 1970. Life Expectancy at Birth: Male: Mexico City data remains active status in CEIC and is reported by National Population Council. The data is categorized under Global Database’s Mexico – Table MX.G006: Life Expectancy at Birth: by State.

France Life Expectancy: Women: 20 Years data was reported at 65.800 Year in 2017. This records an increase from the previous number of 65.700 Year for 2016. France Life Expectancy: Women: 20 Years data is updated yearly, averaging 59.750 Year from Dec 1946 (Median) to 2017, with 72 observations. The data reached an all-time high of 65.800 Year in 2017 and a record low of 52.200 Year in 1946. France Life Expectancy: Women: 20 Years data remains active status in CEIC and is reported by French National Institute for Statistics and Economic Studies. The data is categorized under Global Database’s France – Table FR.G004: Vital Statistics: Life Expectancy.