Mean years of schooling (ISCED 1 or higher), population 25+ years in Bulgaria

Bulgaria: Mean years of schooling (ISCED 1 or higher), population 25+ years was 1.02 GPIA in 2021. ▲ Rising

Latest (2021)
1.02 GPIA
Change on year
up 0.1%
World rank
37th
of 121 countries
All-time high
1.02 GPIA
in 2016
All-time low
0.8809 GPIA
in 1975
Years of data
17
1975–2021

Mean years of schooling (ISCED 1 or higher), population 25+ years in Bulgaria, 1975–2021

00.250.50.7511975199820211975: 0.881 GPIA1992: 0.946 GPIA2001: 0.974 GPIA2006: 0.992 GPIA2007: 0.991 GPIA2008: 0.994 GPIA2009: 0.998 GPIA2010: 1 GPIA2011: 1 GPIA2012: 1 GPIA2013: 1 GPIA2014: 1 GPIA2015: 1 GPIA2016: 1 GPIA2017: 1 GPIA2020: 1 GPIA2021: 1 GPIA

Source: UNESCO Institute for Statistics. Measured in GPIA.

Analysis

Bulgaria recorded 1.02 GPIA for mean years of schooling (isced 1 or higher), population 25+ years in 2021.

The figure is up 0.1% on the previous year and up 1.4% over ten years.

Over the whole period, mean years of schooling (isced 1 or higher), population 25+ years in Bulgaria peaked at 1.02 GPIA in 2016 and was at its lowest, 0.8809 GPIA, in 1975.

That places Bulgaria 37th out of 121 countries with data for 2021, putting it in the middle of the range.

The long-run direction has been consistently rising across the 17 years of available data.

Mean years of schooling (ISCED 1 or higher), population 25+ years in Bulgaria, year by year

Annual values for Mean years of schooling (ISCED 1 or higher), population 25+ years, adjusted gender parity index (GPIA) in Bulgaria, 1975 to 2021.
Year GPIA Change
1975 0.8809 GPIA
1992 0.9464 GPIA +7.4%
2001 0.9739 GPIA +2.9%
2006 0.9921 GPIA +1.9%
2007 0.9914 GPIA -0.1%
2008 0.9944 GPIA +0.3%
2009 0.9984 GPIA +0.4%
2010 1 GPIA +0.4%
2011 1 GPIA +0.1%
2012 1.01 GPIA +0.2%
2013 1.01 GPIA +0.3%
2014 1.01 GPIA +0.7%
2015 1.02 GPIA +0.2%
2016 1.02 GPIA +0.1%
2017 1.02 GPIA -0.2%
2020 1.02 GPIA +0.1%
2021 1.02 GPIA +0.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.8809 GPIA 0.8809 GPIA 0.8809 GPIA 1
1990s 0.9464 GPIA 0.9464 GPIA 0.9464 GPIA 1
2000s 0.9901 GPIA 0.9739 GPIA 0.9984 GPIA 5
2010s 1.01 GPIA 1 GPIA 1.02 GPIA 8
2020s 1.02 GPIA 1.02 GPIA 1.02 GPIA 2

Countries ranked near Bulgaria

  1. 34 Palestine, State of 1.02 GPIA compare
  2. 35 Armenia 1.02 GPIA compare
  3. 36 United Arab Emirates 1.02 GPIA compare
  4. 38 Cayman Islands 1.02 GPIA compare
  5. 39 Portugal 1.01 GPIA compare
  6. 40 Republic of Moldova 1.01 GPIA compare

See the full ranking of 121 places →

More education data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is mean years of schooling (isced 1 or higher), population 25+ years in Bulgaria?
Mean years of schooling (isced 1 or higher), population 25+ years in Bulgaria was 1.02 GPIA in 2021, according to UNESCO Institute for Statistics.
What is the highest mean years of schooling (isced 1 or higher), population 25+ years recorded in Bulgaria?
The highest recorded value was 1.02 GPIA in 2016.
What is the lowest mean years of schooling (isced 1 or higher), population 25+ years recorded in Bulgaria?
The lowest recorded value was 0.8809 GPIA in 1975.
How does Bulgaria rank for mean years of schooling (isced 1 or higher), population 25+ years?
Bulgaria ranks 37th out of 121 countries with data for 2021.
Is mean years of schooling (isced 1 or higher), population 25+ years rising or falling in Bulgaria?
Over the last ten years it is up 1.4%. The long-run trend across the full record is rising.
Where does this Bulgaria data come from?
The figures come from UNESCO Institute for Statistics, published as part of Mean years of schooling (ISCED 1 or higher), population 25+ years, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.

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Mean years of schooling (ISCED 1 or higher), population 25+ years in Bulgaria. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 09 September 2026, from https://education.statizoid.com/stat/mean-years-of-schooling-isced-1-or-higher-population-25-years-adjusted-gender-parity/bulgaria/

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About this data

Indicator
Mean years of schooling (ISCED 1 or higher), population 25+ years, adjusted gender parity index (GPIA)
Unit
GPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
121 places, 1,376 data points, 1970–2024
Last refreshed

February 2026 Data Release