How many years of comparable data are there for Denmark 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.

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

Denmark

489.27 score

in 2022

Ireland

491.65 score

in 2022

Denmark rank

13th

Ireland rank

11th

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

Denmark
Ireland

How they compare

Ireland currently reports 491.65 score against 489.27 score in Denmark, a difference of 2.38 score.

The two have swapped places 3 times across 7 shared years of data; in 2003 it was Denmark ahead.

Denmark ranks 13th and Ireland ranks 11th of 57 countries.

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

Head to head by decade

Decade	Denmark	Ireland	Difference	Ahead
2000s	510.2 score	497.15 score	13.05 score	Denmark
2010s	506.84 score	501.62 score	5.22 score	Denmark
2020s	489.27 score	491.65 score	2.37 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, Denmark or Ireland?: Ireland, at 491.65 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 Denmark and Ireland?: 2.38 score, with Ireland ahead.
How many years of comparable data are there for Denmark and Ireland?: 7 years are reported by both, from 2003 to 2022.
How do Denmark and Ireland rank globally for average performance of 15-year-old students in mathematics?: Denmark ranks 13th 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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Denmark 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/denmark/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.