In 2020, the average age in Thailand is expected to reach 38.2 years, twenty years higher than in 1980, when it began to rise after a steady decrease in prior years. Previously, from 1950 to 1975, the average age hovered around 17 years. The increased average age corresponds with rising life expectancy globally, accelerating especially around the mid-twentieth century onward. In this century, the life expectancy in Thailand has increased by roughly 2.5 years since 2007, reaching 78.39 in 2017. The standard of living is increasing In Thailand, people ages 15 to 64 have consistently made up the majority of the population from 2007 to 2017. In this time, the older population grew increased by about three percent, while the younger population shrunk at roughly the same rate. This indicates that many people within the middle age category are reaching 65 or older, and that the birth rate is simultaneously declining. Birth rates are declining Every year, families are having fewer children in Thailand, with a fertility rate of less than 1.5 children per women of childbearing age in 2017. This is not necessarily a bad sign – it points towards increasing healthcare and living standards. Another indicator for this is the decreasing infant mortality in Thailand, meaning more of the children born each year survive. Lower infant mortality also contributes to the calculations of a higher life expectancy, and thus affects the country’s median age.

In 2023, the median age of the population in Thailand was **** years, which was the oldest median age across Southeast Asia. Comparatively, the median age of Timor-Leste's population was ** years in 2023.

This line chart displays median age (year) by date using the aggregation average, weighted by population in Thailand. The data is about countries per year.

Thailand Population: Bangkok: TNHR: by Age: 85 data was reported at 14,620.000 Person in 2023. This records an increase from the previous number of 13,720.000 Person for 2022. Thailand Population: Bangkok: TNHR: by Age: 85 data is updated yearly, averaging 5,209.000 Person from Dec 1993 (Median) to 2023, with 31 observations. The data reached an all-time high of 14,620.000 Person in 2023 and a record low of 2,548.000 Person in 1997. Thailand Population: Bangkok: TNHR: by Age: 85 data remains active status in CEIC and is reported by Department of Provincial Administration. The data is categorized under Global Database’s Thailand – Table TH.G003: Population: By Age: Bangkok.

Thailand Population: Age 20-24 Year data was reported at 4,804,456.000 Person in 2017. This records a decrease from the previous number of 4,808,033.000 Person for 2016. Thailand Population: Age 20-24 Year data is updated yearly, averaging 4,938,609.500 Person from Dec 1994 (Median) to 2017, with 24 observations. The data reached an all-time high of 5,803,558.000 Person in 1994 and a record low of 4,566,561.000 Person in 2010. Thailand Population: Age 20-24 Year data remains active status in CEIC and is reported by Department of Provincial Administration. The data is categorized under Global Database’s Thailand – Table TH.G002: Population: By Age.

This horizontal bar chart displays median age (year) by date using the aggregation average, weighted by population in Thailand. The data is filtered where the date is 2021. The data is about countries per year.

UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes in Thailand was reported at 8.451 Years in 2018, according to the World Bank collection of development indicators, compiled from officially recognized sources. Thailand - Mean years of schooling of the population age 25+. Total - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

Population: Rayong: TNHR: by Age: 52 data was reported at 10,620.000 Person in 2019. This records an increase from the previous number of 10,283.000 Person for 2018. Population: Rayong: TNHR: by Age: 52 data is updated yearly, averaging 5,567.000 Person from Dec 1993 (Median) to 2019, with 27 observations. The data reached an all-time high of 10,620.000 Person in 2019 and a record low of 2,443.000 Person in 1995. Population: Rayong: TNHR: by Age: 52 data remains active status in CEIC and is reported by Department of Provincial Administration. The data is categorized under Global Database’s Thailand – Table TH.G028: Population: by Province and Age.

Thailand TH: Age Dependency Ratio: % of Working-Age Population: Old data was reported at 15.949 % in 2017. This records an increase from the previous number of 15.342 % for 2016. Thailand TH: Age Dependency Ratio: % of Working-Age Population: Old data is updated yearly, averaging 6.729 % from Dec 1960 (Median) to 2017, with 58 observations. The data reached an all-time high of 15.949 % in 2017 and a record low of 6.144 % in 1960. Thailand TH: Age Dependency Ratio: % of Working-Age Population: Old data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s Thailand – Table TH.World Bank.WDI: Population and Urbanization Statistics. Age dependency ratio, old, is the ratio of older dependents--people older than 64--to the working-age population--those ages 15-64. Data are shown as the proportion of dependents per 100 working-age population.; ; World Bank staff estimates based on age distributions of United Nations Population Division's World Population Prospects: 2017 Revision.; Weighted average;

This bar chart displays median age (year) by currency using the aggregation average, weighted by population in Thailand. The data is filtered where the date is 2021. The data is about countries per year.

Thailand Population: Age 30-34 Year data was reported at 4,687,295.000 Person in 2017. This records a decrease from the previous number of 4,825,484.000 Person for 2016. Thailand Population: Age 30-34 Year data is updated yearly, averaging 5,362,241.000 Person from Dec 1994 (Median) to 2017, with 24 observations. The data reached an all-time high of 5,686,617.000 Person in 1998 and a record low of 4,687,295.000 Person in 2017. Thailand Population: Age 30-34 Year data remains active status in CEIC and is reported by Department of Provincial Administration. The data is categorized under Global Database’s Thailand – Table TH.G002: Population: By Age.

In 2023, the average years of schooling in Thailand was highest for those who were between 15 and 39 years old, amounting to an average of ***** years of schooling. In comparison, mean years of schooling was lowest for the population who were 60 years and older, indicating that education is becoming more prevalent among the younger generation.

This scatter chart displays median age (year) against individuals using the Internet (% of population) in Thailand. The data is about countries per year.

The total life expectancy at birth in Thailand saw no significant changes in 2023 in comparison to the previous year 2022 and remained at around 76.41 years. Life expectancy at birth refers to the expected lifespan of the average newborn, providing that mortality patterns at the time of birth in the given region do not change thereafter.Find more statistics on other topics about Thailand with key insights such as under-five child mortality rate, total fertility rate, and rate of children immunized against measles in the age group of 12 to 23 months.

Thailand: Population ages 65 and above, percent of total: The latest value from 2023 is 14.72 percent, an increase from 14.1 percent in 2022. In comparison, the world average is 10.17 percent, based on data from 196 countries. Historically, the average for Thailand from 1960 to 2023 is 5.82 percent. The minimum value, 2.81 percent, was reached in 1961 while the maximum of 14.72 percent was recorded in 2023.

Population: Female: TNHR: by Age: 50 Year data was reported at 530,779.000 Person in 2017. This records an increase from the previous number of 524,495.000 Person for 2016. Population: Female: TNHR: by Age: 50 Year data is updated yearly, averaging 419,796.000 Person from Dec 1994 (Median) to 2017, with 24 observations. The data reached an all-time high of 534,726.000 Person in 2014 and a record low of 220,912.000 Person in 1995. Population: Female: TNHR: by Age: 50 Year data remains active status in CEIC and is reported by Department of Provincial Administration. The data is categorized under Global Database’s Thailand – Table TH.G002: Population: By Age.

The total fertility rate in Thailand saw no significant changes in 2023 in comparison to the previous year 2022 and remained at around 1.21 children per woman. Yet 2023 saw the lowest fertility rate in Thailand with 1.21 children per woman. The total fertility rate is the average number of children that a woman of childbearing age (generally considered 15 to 44 years) can hypothetically expect to have throughout her reproductive years. As fertility rates are estimates (similar to life expectancy), they refer to a hypothetical woman or cohort, and estimates assume that current age-specific fertility trends would remain constant throughout this person's reproductive years.Find more statistics on other topics about Thailand with key insights such as fertility rate of women aged between 15 and 19 years old, under-five child mortality rate, share of children aged 12-23 months immunized against diphtheria, and pertussis and tetanus (DPT).

This scatter chart displays median age (year) against date (year) in Thailand. The data is about countries per year.

Over the last two observations, the life expectancy has significantly increased in all gender groups Comparing the two different gender groups for the year 2023, the 'life expectancy of women at birth' leads the ranking with 80.86 years. Contrastingly, 'life expectancy of men at birth' is ranked last, with 72.16 years. Their difference, compared to life expectancy of women at birth, lies at 8.7 years. Life expectancy at birth refers to the number of years the average newborn is expected to live, providing that mortality patterns at the time of birth do not change thereafter.Find further similar statistics for other countries or regions like Liechtenstein and Thailand.

This scatter chart displays median age (year) against GDP (current US$) in Thailand. The data is about countries per year.