Statizoid

Sex ratio by age in Thailand

Thailand: Sex ratio by age was 51.37 males per 100 females in 2023. ▲ Rising

Latest (2023)
51.37 males per 100 females
Change on year
up 1.5%
World rank
23rd
of 212 countries
All-time high
88.89 males per 100 females
in 1978
All-time low
14.71 males per 100 females
in 1959
Years of data
74
1950–2023

Sex ratio by age in Thailand, 1950–2023

20406080195019862023

Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.

Analysis

In 2023, sex ratio by age in Thailand stood at 51.37 males per 100 females.

The figure is up 1.5% on the previous year and down 13.9% over ten years.

Over the whole period, sex ratio by age in Thailand peaked at 88.89 males per 100 females in 1978 and was at its lowest, 14.71 males per 100 females, in 1959.

Thailand ranks 23rd of 212 countries on this measure, in the top quarter.

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

Sex ratio by age in Thailand, year by year

Year males per 100 females Change
1950 20.27 males per 100 females —
1951 21.23 males per 100 females +4.7%
1952 22.43 males per 100 females +5.7%
1953 23.11 males per 100 females +3.0%
1954 23.53 males per 100 females +1.8%
1955 22.22 males per 100 females -5.6%
1956 20.19 males per 100 females -9.1%
1957 19.57 males per 100 females -3.1%
1958 17.72 males per 100 females -9.4%
1959 14.71 males per 100 females -17.0%
1960 16.67 males per 100 females +13.3%
1961 21.82 males per 100 females +30.9%
1962 27.78 males per 100 females +27.3%
1963 32.08 males per 100 females +15.5%
1964 35.29 males per 100 females +10.0%
1965 38.78 males per 100 females +9.9%
1966 41.3 males per 100 females +6.5%
1967 45.24 males per 100 females +9.5%
1968 52.5 males per 100 females +16.1%
1969 53.49 males per 100 females +1.9%
1970 58.82 males per 100 females +10.0%
1971 65 males per 100 females +10.5%
1972 71.43 males per 100 females +9.9%
1973 75.61 males per 100 females +5.9%
1974 81.72 males per 100 females +8.1%
1975 84.16 males per 100 females +3.0%
1976 83.96 males per 100 females -0.2%
1977 85.59 males per 100 females +1.9%
1978 88.89 males per 100 females +3.9%
1979 88.71 males per 100 females -0.2%
1980 88.15 males per 100 females -0.6%
1981 87.92 males per 100 females -0.3%
1982 83.64 males per 100 females -4.9%
1983 81.08 males per 100 females -3.1%
1984 81.95 males per 100 females +1.1%
1985 79.46 males per 100 females -3.0%
1986 77.92 males per 100 females -1.9%
1987 77.47 males per 100 females -0.6%
1988 77.82 males per 100 females +0.5%
1989 78.26 males per 100 females +0.6%
1990 77.42 males per 100 females -1.1%
1991 72.66 males per 100 females -6.1%
1992 68.35 males per 100 females -5.9%
1993 65.25 males per 100 females -4.5%
1994 63.18 males per 100 females -3.2%
1995 64.06 males per 100 females +1.4%
1996 66.23 males per 100 females +3.4%
1997 68.9 males per 100 females +4.0%
1998 71.93 males per 100 females +4.4%
1999 73.63 males per 100 females +2.4%
2000 72.76 males per 100 females -1.2%
2001 71.53 males per 100 females -1.7%
2002 71.21 males per 100 females -0.4%
2003 72.43 males per 100 females +1.7%
2004 74.71 males per 100 females +3.1%
2005 77.36 males per 100 females +3.5%
2006 77.51 males per 100 females +0.2%
2007 76.78 males per 100 females -1.0%
2008 76.25 males per 100 females -0.7%
2009 72.36 males per 100 females -5.1%
2010 67.21 males per 100 females -7.1%
2011 63.24 males per 100 females -5.9%
2012 60.36 males per 100 females -4.6%
2013 59.65 males per 100 females -1.2%
2014 59.64 males per 100 females -0.0%
2015 59.15 males per 100 females -0.8%
2016 58.26 males per 100 females -1.5%
2017 57.29 males per 100 females -1.7%
2018 55.92 males per 100 females -2.4%
2019 53.93 males per 100 females -3.6%
2020 52.17 males per 100 females -3.3%
2021 50.64 males per 100 females -2.9%
2022 50.63 males per 100 females -0.0%
2023 51.37 males per 100 females +1.5%

Thailand compared with similar countries

  • Thailand's 51.37 males per 100 females is above the median for upper middle income countries, which is 22.73 males per 100 females, 2.3× the median. (55 countries reporting)
  • Thailand's 51.37 males per 100 females is above the median for East Asia & Pacific, which is 21.92 males per 100 females, 2.3× the median. (28 countries reporting)

Biggest year-on-year movements

Years where Sex ratio by age in Thailand changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1961 +30.9% 16.67 males per 100 females 21.82 males per 100 females

Averages by decade

DecadeAverage LowestHighest Years
1950s 20.5 males per 100 females 14.71 males per 100 females 23.53 males per 100 females 10
1960s 36.49 males per 100 females 16.67 males per 100 females 53.49 males per 100 females 10
1970s 78.39 males per 100 females 58.82 males per 100 females 88.89 males per 100 females 10
1980s 81.37 males per 100 females 77.47 males per 100 females 88.15 males per 100 females 10
1990s 69.16 males per 100 females 63.18 males per 100 females 77.42 males per 100 females 10
2000s 74.29 males per 100 females 71.21 males per 100 females 77.51 males per 100 females 10
2010s 59.47 males per 100 females 53.93 males per 100 females 67.21 males per 100 females 10
2020s 51.2 males per 100 females 50.63 males per 100 females 52.17 males per 100 females 4

Countries ranked near Thailand

  1. 20 Brazil 56.65 males per 100 females compare
  2. 21 Rwanda 56.25 males per 100 females compare
  3. 22 Bahrain 55.56 males per 100 females compare
  4. 24 Bhutan 50 males per 100 females compare
  5. 24 Guinea-Bissau 50 males per 100 females compare
  6. 24 Maldives 50 males per 100 females compare
  7. 24 Mauritania 50 males per 100 females compare
  8. 24 Saint Vincent and the Grenadines 50 males per 100 females compare
  9. 24 Seychelles 50 males per 100 females compare
  10. 24 Vanuatu 50 males per 100 females compare

See the full ranking of 212 places →

More gender data for Thailand

All data for Thailand →

Frequently asked questions

What is sex ratio by age in Thailand?
Sex ratio by age in Thailand was 51.37 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest sex ratio by age recorded in Thailand?
The highest recorded value was 88.89 males per 100 females in 1978.
What is the lowest sex ratio by age recorded in Thailand?
The lowest recorded value was 14.71 males per 100 females in 1959.
How does Thailand rank for sex ratio by age?
Thailand ranks 23rd out of 212 countries with data for 2023.
Is sex ratio by age rising or falling in Thailand?
Over the last ten years it is down 13.9%. The long-run trend across the full record is rising.
Where does this Thailand data come from?
The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Sex ratio by age. Statizoid updates them automatically from the source API.

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Sex ratio by age in Thailand. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 06 October 2026, from https://gender.statizoid.com/stat/sex-ratio-by-age/thailand/

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About this data

Indicator
Sex ratio by age
Unit
males per 100 females
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
212 places, 12,519 data points, 1950–2023
Last refreshed

Number of males per 100 females at age 100+.