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

5 years are reported by both, from 2009 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 speaks language of the test parity index (LTPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Costa Rica

0.7427 LTPIA

in 2022

Portugal

0.7681 LTPIA

in 2022

Costa Rica rank

20th

Portugal rank

19th

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

Costa Rica
Portugal

How they compare

Portugal currently reports 0.7681 LTPIA against 0.7427 LTPIA in Costa Rica, a difference of 0.0254 LTPIA.

The two have swapped places 2 times across 5 shared years of data; in 2009 it was Portugal ahead.

Costa Rica ranks 20th and Portugal ranks 19th of 51 countries.

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

Head to head by decade

Decade	Costa Rica	Portugal	Difference	Ahead
2000s	0.6465 LTPIA	0.8394 LTPIA	0.1928 LTPIA	Portugal
2010s	0.8384 LTPIA	0.8291 LTPIA	0.0093 LTPIA	Costa Rica
2020s	0.7427 LTPIA	0.7681 LTPIA	0.0254 LTPIA	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, Costa Rica or Portugal?: Portugal, at 0.7681 LTPIA against 0.7427 LTPIA in Costa Rica as of 2022.
What is the difference in proportion of students at the end of lower secondary education between Costa Rica and Portugal?: 0.0254 LTPIA, with Portugal ahead.
How many years of comparable data are there for Costa Rica and Portugal?: 5 years are reported by both, from 2009 to 2022.
How do Costa Rica and Portugal rank globally for proportion of students at the end of lower secondary education?: Costa Rica ranks 20th and Portugal ranks 19th of 51 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 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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Costa Rica vs Portugal: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 16 September 2026, from https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-45/costa-rica/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-45/costa-rica/portugal/">Costa Rica 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 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: 51 places, 363 data points, 2000–2022
Last refreshed: 06 September 2026

February 2026 Data Release