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

6 years are reported by both, from 2006 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.

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

Croatia

463.11 score

in 2022

Iceland

458.91 score

in 2022

Croatia rank

36th

Iceland rank

37th

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

Croatia
Iceland

How they compare

Croatia currently reports 463.11 score against 458.91 score in Iceland, a difference of 4.2 score.

The two have swapped places 1 time across 6 shared years of data; in 2006 it was Iceland ahead.

Croatia ranks 36th and Iceland ranks 37th of 57 countries.

Across the 3 decades both report, Croatia averaged higher in 1 and Iceland in 2.

Head to head by decade

Decade	Croatia	Iceland	Difference	Ahead
2000s	463.59 score	506.11 score	42.51 score	Iceland
2010s	466.46 score	492.01 score	25.55 score	Iceland
2020s	463.11 score	458.91 score	4.19 score	Croatia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old students in mathematics, Croatia or Iceland?: Croatia, at 463.11 score against 458.91 score in Iceland as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Croatia and Iceland?: 4.2 score, with Croatia ahead.
How many years of comparable data are there for Croatia and Iceland?: 6 years are reported by both, from 2006 to 2022.
How do Croatia and Iceland rank globally for average performance of 15-year-old students in mathematics?: Croatia ranks 36th 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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Croatia 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/croatia/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.