How many years of comparable data are there for Japan and Republic of Korea?

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 girls and boys in sciences. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs Republic of Korea: Average performance of 15-year-old girls and boys in sciences

Japan

545.69 score

in 2022

Republic of Korea

529.59 score

in 2022

Japan rank

2nd

Republic of Korea rank

5th

Average performance of 15-year-old girls and boys in sciences over time

Japan
Republic of Korea

How they compare

Japan currently reports 545.69 score against 529.59 score in Republic of Korea, a difference of 16.1 score.

Across all 6 years both countries report, Japan has been ahead every year.

Japan ranks 2nd and Republic of Korea ranks 5th of 56 countries.

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

Head to head by decade

Decade	Japan	Republic of Korea	Difference	Ahead
2000s	537.6 score	531.18 score	6.42 score	Japan
2010s	533.42 score	524.55 score	8.87 score	Japan
2020s	545.69 score	529.59 score	16.11 score	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average performance of 15-year-old girls and boys in sciences, Japan or Republic of Korea?: Japan, at 545.69 score against 529.59 score in Republic of Korea as of 2022.
What is the difference in average performance of 15-year-old girls and boys in sciences between Japan and Republic of Korea?: 16.1 score, with Japan ahead.
How many years of comparable data are there for Japan and Republic of Korea?: 6 years are reported by both, from 2006 to 2022.
How do Japan and Republic of Korea rank globally for average performance of 15-year-old girls and boys in sciences?: Japan ranks 2nd and Republic of Korea ranks 5th of 56 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 girls and boys in sciences. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Republic of Korea: Average performance of 15-year-old girls and boys in sciences. Statizoid, drawing on OECD (2023) – with minor processing by Our World in Data. Retrieved 02 September 2026, from https://reference.statizoid.com/compare/average-performance-of-15-year-old-girls-and-boys-on-the-science-scale/japan/korea-rep/

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<a href="https://reference.statizoid.com/compare/average-performance-of-15-year-old-girls-and-boys-on-the-science-scale/japan/korea-rep/">Japan vs Republic of Korea: Average performance of 15-year-old girls and boys in sciences</a> — Statizoid

About this data

Indicator: Average performance of 15-year-old girls and boys in sciences
Unit: score
Source: OECD (2023) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 56 places, 330 data points, 2006–2022
Last refreshed: 28 August 2026

Assessed through the PISA science scale, which assesses how comfortable and knowledgeable someone is with science topics, focusing on their ability to discuss and think about scientific issues in everyday life.