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

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 Denmark: Average performance of 15-year-old students in mathematics

Belgium

489.49 score

in 2022

Denmark

489.27 score

in 2022

Belgium rank

12th

Denmark rank

13th

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

Belgium
Denmark

How they compare

Belgium currently reports 489.49 score against 489.27 score in Denmark, a difference of 0.22 score.

The two have swapped places 2 times across 7 shared years of data; in 2003 it was Belgium ahead.

Belgium ranks 12th and Denmark ranks 13th of 57 countries.

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

Head to head by decade

Decade	Belgium	Denmark	Difference	Ahead
2000s	521.64 score	510.2 score	11.44 score	Belgium
2010s	509.86 score	506.84 score	3.02 score	Belgium
2020s	489.49 score	489.27 score	0.213 score	Belgium

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 Denmark?: Belgium, at 489.49 score against 489.27 score in Denmark as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Belgium and Denmark?: 0.22 score, with Belgium ahead.
How many years of comparable data are there for Belgium and Denmark?: 7 years are reported by both, from 2003 to 2022.
How do Belgium and Denmark rank globally for average performance of 15-year-old students in mathematics?: Belgium ranks 12th and Denmark ranks 13th 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 Denmark: 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/denmark/

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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.