How many years of comparable data are there for Greece and Iceland?

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.

Greece vs Iceland: Average performance of 15-year-old students in mathematics

Greece

430.15 score

in 2022

Iceland

458.91 score

in 2022

Greece rank

40th

Iceland rank

37th

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

Greece
Iceland

How they compare

Iceland currently reports 458.91 score against 430.15 score in Greece, a difference of 28.76 score.

That makes Iceland's figure about 1.1 times Greece's.

Across all 7 years both countries report, Iceland has been ahead every year.

Greece ranks 40th and Iceland ranks 37th of 57 countries.

Iceland has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Greece	Iceland	Difference	Ahead
2000s	456.74 score	509.11 score	52.37 score	Iceland
2010s	452.66 score	492.01 score	39.35 score	Iceland
2020s	430.15 score	458.91 score	28.77 score	Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old students in mathematics, Greece or Iceland?: Iceland, at 458.91 score against 430.15 score in Greece as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Greece and Iceland?: 28.76 score, with Iceland ahead.
How many years of comparable data are there for Greece and Iceland?: 7 years are reported by both, from 2003 to 2022.
How do Greece and Iceland rank globally for average performance of 15-year-old students in mathematics?: Greece ranks 40th and Iceland ranks 37th 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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Greece vs Iceland: 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/greece/iceland/

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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.