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

6 years are reported by both, from 2006 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 reading, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Bulgaria

0.8709 NPIA

in 2022

Lithuania

0.8506 NPIA

in 2022

Bulgaria rank

16th

Lithuania rank

19th

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

Bulgaria
Lithuania

How they compare

Bulgaria currently reports 0.8709 NPIA against 0.8506 NPIA in Lithuania, a difference of 0.0203 NPIA.

The two have swapped places 1 time across 6 shared years of data; in 2006 it was Lithuania ahead.

Bulgaria ranks 16th and Lithuania ranks 19th of 49 countries.

Across the 3 decades both report, Bulgaria averaged higher in 1 and Lithuania in 2.

Head to head by decade

Decade	Bulgaria	Lithuania	Difference	Ahead
2000s	0.3927 NPIA	0.8878 NPIA	0.495 NPIA	Lithuania
2010s	0.5341 NPIA	0.9182 NPIA	0.384 NPIA	Lithuania
2020s	0.8709 NPIA	0.8506 NPIA	0.0203 NPIA	Bulgaria

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 Lithuania?: Bulgaria, at 0.8709 NPIA against 0.8506 NPIA in Lithuania as of 2022.
What is the difference in proportion of students at the end of lower secondary education between Bulgaria and Lithuania?: 0.0203 NPIA, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Lithuania?: 6 years are reported by both, from 2006 to 2022.
How do Bulgaria and Lithuania rank globally for proportion of students at the end of lower secondary education?: Bulgaria ranks 16th and Lithuania ranks 19th of 49 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 reading, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Lithuania: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 09 September 2026, from https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-51/bulgaria/lithuania/

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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-51/bulgaria/lithuania/">Bulgaria vs Lithuania: 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 reading, adjusted native parity index (NPIA)
Unit: NPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 49 places, 345 data points, 2000–2022
Last refreshed: 06 September 2026

February 2026 Data Release