Lower secondary school completion rates, adjusted gender parity index in Thailand
Thailand: Lower secondary school completion rates, adjusted gender parity index was 1.06 index in 2025. ▲ Rising
Lower secondary school completion rates, adjusted gender parity index in Thailand, 1981–2025
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
Thailand recorded 1.06 index for lower secondary school completion rates, adjusted gender parity index in 2025.
Compared with earlier readings it is down 0.3% on the previous year and down 5.1% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Thailand peaked at 1.11 index in 2015 and was at its lowest, 0.7932 index, in 1981.
Thailand ranks 56th of 164 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Lower secondary school completion rates, adjusted gender parity index in Thailand, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.7932 index | — |
| 1982 | 0.7989 index | +0.7% |
| 1983 | 0.8087 index | +1.2% |
| 1984 | 0.8193 index | +1.3% |
| 1985 | 0.8308 index | +1.4% |
| 1986 | 0.8388 index | +1.0% |
| 1987 | 0.858 index | +2.3% |
| 1988 | 0.8773 index | +2.3% |
| 1989 | 0.9044 index | +3.1% |
| 1990 | 0.9294 index | +2.8% |
| 1991 | 0.9558 index | +2.8% |
| 1992 | 0.9757 index | +2.1% |
| 1993 | 0.9937 index | +1.8% |
| 1994 | 1.01 index | +1.4% |
| 1995 | 1.02 index | +1.2% |
| 1996 | 1.03 index | +1.1% |
| 1997 | 1.04 index | +0.8% |
| 1998 | 1.05 index | +0.7% |
| 1999 | 1.05 index | +0.7% |
| 2000 | 1.06 index | +0.5% |
| 2001 | 1.06 index | +0.5% |
| 2002 | 1.07 index | +0.3% |
| 2003 | 1.07 index | +0.3% |
| 2004 | 1.07 index | +0.3% |
| 2005 | 1.08 index | +0.5% |
| 2006 | 1.09 index | +0.6% |
| 2007 | 1.09 index | +0.5% |
| 2008 | 1.1 index | +0.4% |
| 2009 | 1.1 index | +0.2% |
| 2010 | 1.1 index | +0.2% |
| 2011 | 1.1 index | +0.2% |
| 2012 | 1.11 index | +0.4% |
| 2013 | 1.11 index | +0.4% |
| 2014 | 1.11 index | +0.3% |
| 2015 | 1.11 index | +0.1% |
| 2016 | 1.11 index | -0.1% |
| 2017 | 1.11 index | -0.2% |
| 2018 | 1.11 index | -0.4% |
| 2019 | 1.1 index | -0.5% |
| 2020 | 1.09 index | -0.7% |
| 2021 | 1.08 index | -0.8% |
| 2022 | 1.07 index | -0.9% |
| 2023 | 1.07 index | -0.7% |
| 2024 | 1.06 index | -0.6% |
| 2025 | 1.06 index | -0.3% |
Thailand compared with similar countries
- Thailand's 1.06 index is above the median for upper middle income countries, which is 1.03 index, 1.0× the median. (50 countries reporting)
- Thailand's 1.06 index is below the median for East Asia & Pacific, which is 1.07 index, 99% of the median. (21 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.8366 index | 0.7932 index | 0.9044 index | 9 |
| 1990s | 1.01 index | 0.9294 index | 1.05 index | 10 |
| 2000s | 1.08 index | 1.06 index | 1.1 index | 10 |
| 2010s | 1.11 index | 1.1 index | 1.11 index | 10 |
| 2020s | 1.07 index | 1.06 index | 1.09 index | 6 |
Countries ranked near Thailand
- 53 Colombia 1.06 index compare
- 54 Egypt 1.06 index compare
- 55 South Africa 1.06 index compare
- 57 Cameroon 1.06 index compare
- 58 Trinidad and Tobago 1.05 index compare
- 59 Madagascar 1.05 index compare
More gender data for Thailand
- Child population (UN estimates and projections) 9,170 (2030)
- Child population (UN estimates and projections) (0-14), annual growth -2.1 % change on previous year (2030)
- Population 62,045 (2030)
- Working-age population (UN estimates and projections) 62,045 (2030)
- Population (UN estimates and projections), annual growth rate 0.1546 % change on previous year (2030)
- Age population, age 00, female, interpolated 278,147 (2025)
- Age population, age 00, male, interpolated 295,559 (2025)
- Age population, age 01, female, interpolated 282,643 (2025)
- Age population, age 01, male, interpolated 300,402 (2025)
- Age population, age 02, female, interpolated 287,479 (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Thailand?
- Lower secondary school completion rates, adjusted gender parity index in Thailand was 1.06 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest lower secondary school completion rates, adjusted gender parity index recorded in Thailand?
- The highest recorded value was 1.11 index in 2015.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Thailand?
- The lowest recorded value was 0.7932 index in 1981.
- How does Thailand rank for lower secondary school completion rates, adjusted gender parity index?
- Thailand ranks 56th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Thailand?
- Over the last ten years it is down 5.1%. The long-run trend across the full record is rising.
- Where does this Thailand data come from?
- The figures come from UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as part of Lower secondary school completion rates, adjusted gender parity index. Statizoid updates them automatically from the source API.
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About this data
An adjusted gender parity index of 1 indicates equal lower secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.