Lower secondary school completion rates, adjusted gender parity index in Bulgaria
Bulgaria: Lower secondary school completion rates, adjusted gender parity index was 0.9926 index in 2025. ▬ Flat
Latest (2025)
0.9926 index
Change on year
up 0.0%
World rank
138th
of 164 countries
All-time high
0.993 index
in 2015
All-time low
0.9781 index
in 2005
Years of data
45
1981–2025
Lower secondary school completion rates, adjusted gender parity index in Bulgaria, 1981–2025
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
In 2025, lower secondary school completion rates, adjusted gender parity index in Bulgaria stood at 0.9926 index.
The figure is down 0.0% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Bulgaria peaked at 0.993 index in 2015 and was at its lowest, 0.9781 index, in 2005.
That places Bulgaria 138th out of 164 countries with data for 2025, putting it in the bottom quarter.
Lower secondary school completion rates, adjusted gender parity index in Bulgaria, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.9879 index | — |
| 1982 | 0.9883 index | +0.0% |
| 1983 | 0.9874 index | -0.1% |
| 1984 | 0.9878 index | +0.0% |
| 1985 | 0.9877 index | -0.0% |
| 1986 | 0.9886 index | +0.1% |
| 1987 | 0.9899 index | +0.1% |
| 1988 | 0.9896 index | -0.0% |
| 1989 | 0.9902 index | +0.1% |
| 1990 | 0.9906 index | +0.0% |
| 1991 | 0.9914 index | +0.1% |
| 1992 | 0.9911 index | -0.0% |
| 1993 | 0.9911 index | -0.0% |
| 1994 | 0.991 index | -0.0% |
| 1995 | 0.9902 index | -0.1% |
| 1996 | 0.9888 index | -0.1% |
| 1997 | 0.9876 index | -0.1% |
| 1998 | 0.9871 index | -0.1% |
| 1999 | 0.9868 index | -0.0% |
| 2000 | 0.9863 index | -0.1% |
| 2001 | 0.9851 index | -0.1% |
| 2002 | 0.9828 index | -0.2% |
| 2003 | 0.9808 index | -0.2% |
| 2004 | 0.9785 index | -0.2% |
| 2005 | 0.9781 index | -0.0% |
| 2006 | 0.9788 index | +0.1% |
| 2007 | 0.9802 index | +0.1% |
| 2008 | 0.9822 index | +0.2% |
| 2009 | 0.9837 index | +0.2% |
| 2010 | 0.986 index | +0.2% |
| 2011 | 0.9882 index | +0.2% |
| 2012 | 0.9901 index | +0.2% |
| 2013 | 0.9918 index | +0.2% |
| 2014 | 0.9929 index | +0.1% |
| 2015 | 0.993 index | +0.0% |
| 2016 | 0.9923 index | -0.1% |
| 2017 | 0.9914 index | -0.1% |
| 2018 | 0.9911 index | -0.0% |
| 2019 | 0.9911 index | +0.0% |
| 2020 | 0.9909 index | -0.0% |
| 2021 | 0.9913 index | +0.0% |
| 2022 | 0.9917 index | +0.0% |
| 2023 | 0.9921 index | +0.0% |
| 2024 | 0.9923 index | +0.0% |
| 2025 | 0.9926 index | +0.0% |
Bulgaria compared with similar countries
- Bulgaria's 0.9926 index is below the median for high income countries, which is 1.01 index, 99% of the median. (46 countries reporting)
- Bulgaria's 0.9926 index is below the median for Europe & Central Asia, which is 1.01 index, 99% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.9886 index | 0.9874 index | 0.9902 index | 9 |
| 1990s | 0.9896 index | 0.9868 index | 0.9914 index | 10 |
| 2000s | 0.9816 index | 0.9781 index | 0.9863 index | 10 |
| 2010s | 0.9908 index | 0.986 index | 0.993 index | 10 |
| 2020s | 0.9918 index | 0.9909 index | 0.9926 index | 6 |
Countries ranked near Bulgaria
More gender data for Bulgaria
- Child population (UN estimates and projections) 907.24 (2030)
- Child population (UN estimates and projections) (0-14), annual growth -1.48 % change on previous year (2030)
- Population 5,551 (2030)
- Working-age population (UN estimates and projections) 5,551 (2030)
- Population (UN estimates and projections), annual growth rate -0.7319 % change on previous year (2030)
- Age population, age 00, female, interpolated 29,446 (2025)
- Age population, age 00, male, interpolated 31,195 (2025)
- Age population, age 01, female, interpolated 29,990 (2025)
- Age population, age 01, male, interpolated 31,775 (2025)
- Age population, age 02, female, interpolated 30,724 (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Bulgaria?
- Lower secondary school completion rates, adjusted gender parity index in Bulgaria was 0.9926 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 Bulgaria?
- The highest recorded value was 0.993 index in 2015.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Bulgaria?
- The lowest recorded value was 0.9781 index in 2005.
- How does Bulgaria rank for lower secondary school completion rates, adjusted gender parity index?
- Bulgaria ranks 138th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Bulgaria?
- Over the last ten years it is down 0.0%. The long-run trend across the full record is flat.
- Where does this Bulgaria 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.
Download this data
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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.