Population by five year age group in Thailand

Thailand: Population by five year age group was 3.10 million in 2023. ▼ Falling

Latest (2023)
3.10 million
Change on year
down 2.7%
World rank
47th
of 236 countries
All-time high
6.14 million
in 1972
All-time low
3.10 million
in 2023
Years of data
74
1950–2023

Population by five year age group in Thailand, 1950–2023

02.0M4.0M6.0M195019862023

Source: Our World in Data.

Analysis

Thailand recorded 3.10 million for population by five year age group in 2023. That is the lowest value across all 74 years on record.

Compared with earlier readings it is down 2.7% on the previous year and down 24.1% over ten years.

Over the whole period, population by five year age group in Thailand peaked at 6.14 million in 1972 and was at its lowest, 3.10 million, in 2023.

Thailand ranks 47th of 236 countries on this measure, in the top quarter.

The long-run direction has been consistently falling across the 74 years of available data.

Population by five year age group in Thailand, year by year

Annual values for Population by five year age group in Thailand, 1950 to 2023.
Year Value Change
1950 3.35 million —
1951 3.51 million +4.8%
1952 3.68 million +4.8%
1953 3.86 million +4.8%
1954 4.03 million +4.5%
1955 4.19 million +3.8%
1956 4.33 million +3.4%
1957 4.47 million +3.2%
1958 4.60 million +3.0%
1959 4.74 million +2.9%
1960 4.88 million +2.9%
1961 5.02 million +2.9%
1962 5.16 million +2.9%
1963 5.31 million +2.9%
1964 5.46 million +2.9%
1965 5.61 million +2.7%
1966 5.75 million +2.5%
1967 5.88 million +2.3%
1968 5.99 million +1.9%
1969 6.07 million +1.3%
1970 6.12 million +0.8%
1971 6.14 million +0.3%
1972 6.14 million +0.0%
1973 6.13 million -0.2%
1974 6.11 million -0.3%
1975 6.08 million -0.4%
1976 6.05 million -0.6%
1977 5.99 million -0.9%
1978 5.92 million -1.2%
1979 5.85 million -1.2%
1980 5.79 million -1.0%
1981 5.74 million -0.8%
1982 5.69 million -0.8%
1983 5.64 million -0.9%
1984 5.58 million -1.2%
1985 5.49 million -1.5%
1986 5.40 million -1.6%
1987 5.33 million -1.4%
1988 5.27 million -1.1%
1989 5.24 million -0.5%
1990 5.24 million -0.1%
1991 5.23 million -0.2%
1992 5.21 million -0.4%
1993 5.19 million -0.4%
1994 5.16 million -0.5%
1995 5.13 million -0.6%
1996 5.09 million -0.7%
1997 5.05 million -0.8%
1998 5.00 million -1.0%
1999 4.93 million -1.4%
2000 4.86 million -1.5%
2001 4.79 million -1.5%
2002 4.71 million -1.5%
2003 4.65 million -1.4%
2004 4.60 million -1.0%
2005 4.56 million -0.9%
2006 4.51 million -1.2%
2007 4.44 million -1.5%
2008 4.37 million -1.6%
2009 4.29 million -1.7%
2010 4.23 million -1.6%
2011 4.17 million -1.3%
2012 4.13 million -1.0%
2013 4.09 million -1.0%
2014 4.03 million -1.4%
2015 3.96 million -1.7%
2016 3.87 million -2.2%
2017 3.76 million -2.9%
2018 3.64 million -3.2%
2019 3.52 million -3.4%
2020 3.40 million -3.4%
2021 3.29 million -3.3%
2022 3.19 million -3.0%
2023 3.10 million -2.7%

Thailand compared with similar countries

  • Thailand's 3.10 million is above the median for upper middle income countries, which is 447,677, 6.9× the median. (58 countries reporting)
  • Thailand's 3.10 million is above the median for East Asia & Pacific, which is 156,933, 19.8× the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 4.08 million 3.35 million 4.74 million 10
1960s 5.51 million 4.88 million 6.07 million 10
1970s 6.05 million 5.85 million 6.14 million 10
1980s 5.52 million 5.24 million 5.79 million 10
1990s 5.12 million 4.93 million 5.24 million 10
2000s 4.58 million 4.29 million 4.86 million 10
2010s 3.94 million 3.52 million 4.23 million 10
2020s 3.24 million 3.10 million 3.40 million 4

Countries ranked near Thailand

  1. 44 Burkina Faso 3.35 million compare
  2. 45 Morocco 3.18 million compare
  3. 46 Zambia 3.15 million compare
  4. 48 Malawi 3.08 million compare
  5. 49 Nepal 2.79 million compare
  6. 50 Argentina 2.75 million compare

See the full ranking of 236 places →

More population data for Thailand

All data for Thailand →

Frequently asked questions

What is population by five year age group in Thailand?
Population by five year age group in Thailand was 3.10 million in 2023, according to Our World in Data.
What is the highest population by five year age group recorded in Thailand?
The highest recorded value was 6.14 million in 1972.
What is the lowest population by five year age group recorded in Thailand?
The lowest recorded value was 3.10 million in 2023.
How does Thailand rank for population by five year age group?
Thailand ranks 47th out of 236 countries with data for 2023.
Is population by five year age group rising or falling in Thailand?
Over the last ten years it is down 24.1%. The long-run trend across the full record is falling.
Where does this Thailand data come from?
The figures come from Our World in Data, published as part of Population by five year age group. Statizoid updates them automatically from the source API.

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Population by five year age group in Thailand. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/stat/population-by-five-year-age-group/thailand/

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About this data

Indicator
Population by five year age group
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed