Bulgaria vs Kazakhstan: Average performance of 15-year-old students in mathematics

Bulgaria
417.3 score
in 2022
Kazakhstan
425.44 score
in 2022
Bulgaria rank
43rd
Kazakhstan rank
42nd

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

  • Bulgaria
  • Kazakhstan
0100200300400500200620142022

How they compare

Kazakhstan currently reports 425.44 score against 417.3 score in Bulgaria, a difference of 8.14 score.

The two have swapped places 3 times across 5 shared years of data; in 2009 it was Bulgaria ahead.

Bulgaria ranks 43rd and Kazakhstan ranks 42nd of 57 countries.

Across the 3 decades both report, Bulgaria averaged higher in 2 and Kazakhstan in 1.

Head to head by decade

Decade Bulgaria Kazakhstan Difference Ahead
2000s 428.07 score 404.88 score 23.18 score Bulgaria
2010s 438.66 score 438.25 score 0.403 score Bulgaria
2020s 417.3 score 425.44 score 8.14 score Kazakhstan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old students in mathematics, Bulgaria or Kazakhstan?
Kazakhstan, at 425.44 score against 417.3 score in Bulgaria as of 2022.
What is the difference in average performance of 15-year-old students in mathematics between Bulgaria and Kazakhstan?
8.14 score, with Kazakhstan ahead.
How many years of comparable data are there for Bulgaria and Kazakhstan?
5 years are reported by both, from 2009 to 2022.
How do Bulgaria and Kazakhstan rank globally for average performance of 15-year-old students in mathematics?
Bulgaria ranks 43rd and Kazakhstan ranks 42nd 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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Bulgaria vs Kazakhstan: 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/bulgaria/kazakhstan/

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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

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.