How many years of comparable data are there for Belgium and Ireland?

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.

Belgium vs Ireland: Average performance of 15-year-old students in mathematics

Belgium

489.49 score

in 2022

Ireland

491.65 score

in 2022

Belgium rank

12th

Ireland rank

11th

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

Belgium
Ireland

How they compare

Ireland currently reports 491.65 score against 489.49 score in Belgium, a difference of 2.16 score.

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

Belgium ranks 12th and Ireland ranks 11th of 57 countries.

Across the 3 decades both report, Belgium averaged higher in 2 and Ireland in 1.

Head to head by decade

Decade	Belgium	Ireland	Difference	Ahead
2000s	521.64 score	497.15 score	24.49 score	Belgium
2010s	509.86 score	501.62 score	8.24 score	Belgium
2020s	489.49 score	491.65 score	2.16 score	Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old students in mathematics, Belgium or Ireland?: Ireland, at 491.65 score against 489.49 score in Belgium as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Belgium and Ireland?: 2.16 score, with Ireland ahead.
How many years of comparable data are there for Belgium and Ireland?: 7 years are reported by both, from 2003 to 2022.
How do Belgium and Ireland rank globally for average performance of 15-year-old students in mathematics?: Belgium ranks 12th and Ireland ranks 11th 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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Belgium vs Ireland: 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/belgium/ireland/

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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.