Population of the official entrance age to secondary general in Thailand

Thailand: Population of the official entrance age to secondary general was 833,611 number in 2020. ▼ Falling

Latest (2020)
833,611 number
Change on year
down 1.1%
World rank
28th
of 205 countries
All-time high
1.26 million number
in 1986
All-time low
799,289 number
in 1970
Years of data
51
1970–2020

Population of the official entrance age to secondary general in Thailand, 1970–2020

0500.0k1.0M1.5M197019952020

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

Thailand recorded 833,611 number for population of the official entrance age to secondary general in 2020.

The figure is down 1.1% on the previous year and down 11.7% over ten years.

Over the whole period, population of the official entrance age to secondary general in Thailand peaked at 1.26 million number in 1986 and was at its lowest, 799,289 number, in 1970.

That places Thailand 28th out of 205 countries with data for 2020, putting it in the top quarter.

The long-run direction has been consistently falling across the 51 years of available data.

Population of the official entrance age to secondary general in Thailand, year by year

Annual values for Population of the official entrance age to secondary general education, both sexes (number) in Thailand, 1970 to 2020.
Year number Change
1970 799,289 number
1971 831,896 number +4.1%
1972 867,145 number +4.2%
1973 902,681 number +4.1%
1974 937,575 number +3.9%
1975 971,140 number +3.6%
1976 1.00 million number +3.2%
1977 1.03 million number +2.9%
1978 1.06 million number +3.0%
1979 1.14 million number +7.5%
1980 1.18 million number +3.3%
1981 1.22 million number +3.2%
1982 1.24 million number +2.1%
1983 1.25 million number +1.0%
1984 1.26 million number +0.3%
1985 1.26 million number +0.3%
1986 1.26 million number +0.2%
1987 1.26 million number -0.4%
1988 1.25 million number -1.0%
1989 1.24 million number -0.8%
1990 1.23 million number -0.9%
1991 1.21 million number -1.1%
1992 1.20 million number -1.1%
1993 1.18 million number -1.4%
1994 1.16 million number -1.5%
1995 1.15 million number -1.5%
1996 1.13 million number -1.3%
1997 1.11 million number -1.8%
1998 1.09 million number -1.5%
1999 1.08 million number -1.2%
2000 1.07 million number -1.2%
2001 1.06 million number -1.0%
2002 1.05 million number -1.1%
2003 1.04 million number -0.8%
2004 1.03 million number -0.8%
2005 1.02 million number -0.6%
2006 1.01 million number -0.8%
2007 997,781 number -1.7%
2008 976,935 number -2.1%
2009 959,067 number -1.8%
2010 943,751 number -1.6%
2011 928,541 number -1.6%
2012 920,553 number -0.9%
2013 910,375 number -1.1%
2014 899,035 number -1.2%
2015 884,644 number -1.6%
2016 871,387 number -1.5%
2017 859,397 number -1.4%
2018 851,885 number -0.9%
2019 842,800 number -1.1%
2020 833,611 number -1.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 954,621 number 799,289 number 1.14 million number 10
1980s 1.24 million number 1.18 million number 1.26 million number 10
1990s 1.15 million number 1.08 million number 1.23 million number 10
2000s 1.02 million number 959,067 number 1.07 million number 10
2010s 891,237 number 842,800 number 943,751 number 10
2020s 833,611 number 833,611 number 833,611 number 1

Countries ranked near Thailand

  1. 25 Iraq 887,311 number compare
  2. 26 Angola 871,796 number compare
  3. 27 France 834,913 number compare
  4. 29 United Kingdom of Great Britain and Northern Ireland 794,719 number compare
  5. 30 Mozambique 791,254 number compare
  6. 31 Algeria 769,603 number compare

See the full ranking of 205 places →

More reference data data for Thailand

All data for Thailand →

Frequently asked questions

What is population of the official entrance age to secondary general in Thailand?
Population of the official entrance age to secondary general in Thailand was 833,611 number in 2020, according to UNESCO Institute for Statistics.
What is the highest population of the official entrance age to secondary general recorded in Thailand?
The highest recorded value was 1.26 million number in 1986.
What is the lowest population of the official entrance age to secondary general recorded in Thailand?
The lowest recorded value was 799,289 number in 1970.
How does Thailand rank for population of the official entrance age to secondary general?
Thailand ranks 28th out of 205 countries with data for 2020.
Is population of the official entrance age to secondary general rising or falling in Thailand?
Over the last ten years it is down 11.7%. The long-run trend across the full record is falling.
Where does this Thailand data come from?
The figures come from UNESCO Institute for Statistics, published as part of Population of the official entrance age to secondary general education, both sexes (number). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 51 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Population of the official entrance age to secondary general in Thailand. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://reference.statizoid.com/stat/population-of-the-official-entrance-age-to-secondary-general-education-both-sexes-number/thailand/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/population-of-the-official-entrance-age-to-secondary-general-education-both-sexes-number/thailand/">Population of the official entrance age to secondary general in Thailand</a> — Statizoid

About this data

Indicator
Population of the official entrance age to secondary general education, both sexes (number)
Unit
number
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
205 places, 10,014 data points, 1970–2020
Last refreshed

Population of the age-group theoretically corresponding to secondary general education as indicated by theoretical entrance age and duration.