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

7 years are reported by both, from 2003 to 2022.

Where does this data come from?

OECD (2023) – with minor processing by Our World in Data, published as Average performance of 15-year-old students in mathematics. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Norway vs Portugal: Average performance of 15-year-old students in mathematics

Norway

468.45 score

in 2022

Portugal

471.91 score

in 2022

Norway rank

33rd

Portugal rank

31st

Average performance of 15-year-old students in mathematics over time

Norway
Portugal

How they compare

Portugal currently reports 471.91 score against 468.45 score in Norway, a difference of 3.46 score.

The two have swapped places 1 time across 7 shared years of data; in 2003 it was Norway ahead.

Norway ranks 33rd and Portugal ranks 31st of 57 countries.

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

Head to head by decade

Decade	Norway	Portugal	Difference	Ahead
2000s	494.33 score	473.02 score	21.31 score	Norway
2010s	497.36 score	490.39 score	6.96 score	Norway
2020s	468.45 score	471.91 score	3.46 score	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old students in mathematics, Norway or Portugal?: Portugal, at 471.91 score against 468.45 score in Norway as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Norway and Portugal?: 3.46 score, with Portugal ahead.
How many years of comparable data are there for Norway and Portugal?: 7 years are reported by both, from 2003 to 2022.
How do Norway and Portugal rank globally for average performance of 15-year-old students in mathematics?: Norway ranks 33rd and Portugal ranks 31st of 57 countries.
Where does this data come from?: OECD (2023) – with minor processing by Our World in Data, published as Average performance of 15-year-old students in mathematics. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Norway vs Portugal: Average performance of 15-year-old students in mathematics. Statizoid, drawing on OECD (2023) – with minor processing by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/compare/academic-performance/norway/portugal/

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About this data

Indicator: Average performance of 15-year-old students in mathematics
Unit: score
Source: OECD (2023) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 57 places, 373 data points, 2003–2022
Last refreshed: 18 September 2026

Assessed through the PISA mathematics scale, which measures how well someone can use math to solve everyday problems and understand the role of math in the real world.