How many years of comparable data are there for Bulgaria and Greece?

7 years are reported by both, from 2000 to 2022.

Where does this data come from?

UNESCO Institute for Statistics, published as Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted speaks language of the test parity index (LTPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Greece: Proportion of students at the end of lower secondary education

Bulgaria

0.4122 LTPIA

in 2022

Greece

0.4886 LTPIA

in 2022

Bulgaria rank

52nd

Greece rank

49th

Proportion of students at the end of lower secondary education over time

Bulgaria
Greece

How they compare

Greece currently reports 0.4886 LTPIA against 0.4122 LTPIA in Bulgaria, a difference of 0.0764 LTPIA.

That makes Greece's figure about 1.2 times Bulgaria's.

Across all 7 years both countries report, Greece has been ahead every year.

Bulgaria ranks 52nd and Greece ranks 49th of 56 countries.

Greece has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Bulgaria	Greece	Difference	Ahead
2000s	0.4529 LTPIA	0.6093 LTPIA	0.1564 LTPIA	Greece
2010s	0.4881 LTPIA	0.6152 LTPIA	0.1271 LTPIA	Greece
2020s	0.4122 LTPIA	0.4886 LTPIA	0.0764 LTPIA	Greece

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of students at the end of lower secondary education, Bulgaria or Greece?: Greece, at 0.4886 LTPIA against 0.4122 LTPIA in Bulgaria as of 2022.
What is the difference in proportion of students at the end of lower secondary education between Bulgaria and Greece?: 0.0764 LTPIA, with Greece ahead.
How many years of comparable data are there for Bulgaria and Greece?: 7 years are reported by both, from 2000 to 2022.
How do Bulgaria and Greece rank globally for proportion of students at the end of lower secondary education?: Bulgaria ranks 52nd and Greece ranks 49th of 56 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted speaks language of the test parity index (LTPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Greece: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-36/bulgaria/greece/

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<a href="https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-36/bulgaria/greece/">Bulgaria vs Greece: Proportion of students at the end of lower secondary education</a> — Statizoid

About this data

Indicator: Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted speaks language of the test parity index (LTPIA)
Unit: LTPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 56 places, 395 data points, 1995–2023
Last refreshed: 06 September 2026

February 2026 Data Release