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

8 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 achieving at least a minimum proficiency level in reading, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

New Zealand vs Portugal: Proportion of students at the end of lower secondary achieving at

New Zealand

1.1 GPIA

in 2022

Portugal

1.1 GPIA

in 2022

New Zealand rank

33rd

Portugal rank

35th

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

New Zealand
Portugal

How they compare

New Zealand currently reports 1.1 GPIA against 1.1 GPIA in Portugal, a difference of 0 GPIA.

The two have swapped places 1 time across 8 shared years of data; in 2000 it was Portugal ahead.

New Zealand ranks 33rd and Portugal ranks 35th of 51 countries.

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

Head to head by decade

Decade	New Zealand	Portugal	Difference	Ahead
2000s	1.11 GPIA	1.15 GPIA	0.0396 GPIA	Portugal
2010s	1.11 GPIA	1.11 GPIA	0.0032 GPIA	New Zealand
2020s	1.1 GPIA	1.1 GPIA	0.0007 GPIA	New Zealand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of students at the end of lower secondary achieving at, New Zealand or Portugal?: New Zealand, at 1.1 GPIA against 1.1 GPIA in Portugal as of 2022.
What is the difference in proportion of students at the end of lower secondary achieving at between New Zealand and Portugal?: 0 GPIA, with New Zealand ahead.
How many years of comparable data are there for New Zealand and Portugal?: 8 years are reported by both, from 2000 to 2022.
How do New Zealand and Portugal rank globally for proportion of students at the end of lower secondary achieving at?: New Zealand ranks 33rd and Portugal ranks 35th of 51 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of students at the end of lower secondary achieving at least a minimum proficiency level in reading, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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New Zealand vs Portugal: Proportion of students at the end of lower secondary achieving at. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 15 September 2026, from https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-achieving-at-least-a-minimum-7/new-zealand/portugal/

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<a href="https://education.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-achieving-at-least-a-minimum-7/new-zealand/portugal/">New Zealand vs Portugal: Proportion of students at the end of lower secondary achieving at</a> — Statizoid

About this data

Indicator: Proportion of students at the end of lower secondary achieving at least a minimum proficiency level in reading, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 51 places, 366 data points, 2000–2022
Last refreshed: 06 September 2026

February 2026 Data Release