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

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.

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

Lithuania

0.8506 NPIA

in 2022

Portugal

0.8599 NPIA

in 2022

Lithuania rank

19th

Portugal rank

18th

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

Lithuania
Portugal

How they compare

Portugal currently reports 0.8599 NPIA against 0.8506 NPIA in Lithuania, a difference of 0.0093 NPIA.

The two have swapped places 5 times across 6 shared years of data; in 2006 it was Lithuania ahead.

Lithuania ranks 19th and Portugal ranks 18th of 49 countries.

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

Head to head by decade

Decade	Lithuania	Portugal	Difference	Ahead
2000s	0.8878 NPIA	0.8159 NPIA	0.0719 NPIA	Lithuania
2010s	0.9182 NPIA	0.892 NPIA	0.0262 NPIA	Lithuania
2020s	0.8506 NPIA	0.8599 NPIA	0.0093 NPIA	Portugal

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, Lithuania or Portugal?: Portugal, at 0.8599 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 Lithuania and Portugal?: 0.0093 NPIA, with Portugal ahead.
How many years of comparable data are there for Lithuania and Portugal?: 6 years are reported by both, from 2006 to 2022.
How do Lithuania and Portugal rank globally for proportion of students at the end of lower secondary education?: Lithuania ranks 19th and Portugal ranks 18th 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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Lithuania vs Portugal: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-51/lithuania/portugal/

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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/lithuania/portugal/">Lithuania vs Portugal: 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