Japan vs Republic of Korea: Research and development expenditure

Japan
3.4%
in 2023
Republic of Korea
4.9%
in 2023
Japan rank
5th
Republic of Korea rank
2nd

Research and development expenditure over time

  • Japan
  • Republic of Korea
012345199620092023

How they compare

Republic of Korea currently reports 4.9% against 3.4% in Japan, a difference of 1.5%.

That makes Republic of Korea's figure about 1.4 times Japan's.

The two have swapped places 1 time across 28 shared years of data; in 1996 it was Japan ahead.

Japan ranks 5th and Republic of Korea ranks 2nd of 116 countries.

Across the 4 decades both report, Japan averaged higher in 2 and Republic of Korea in 2.

Head to head by decade

Decade Japan Republic of Korea Difference Ahead
1990s 2.8% 2.1% 0.7% Japan
2000s 3.1% 2.5% 0.6% Japan
2010s 3.2% 3.8% 0.6% Republic of Korea
2020s 3.3% 4.7% 1.4% Republic of Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher research and development expenditure, Japan or Republic of Korea?
Republic of Korea, at 4.9% against 3.4% in Japan as of 2023.
What is the difference in research and development expenditure between Japan and Republic of Korea?
1.5%, with Republic of Korea ahead.
How many years of comparable data are there for Japan and Republic of Korea?
28 years are reported by both, from 1996 to 2023.
How do Japan and Republic of Korea rank globally for research and development expenditure?
Japan ranks 5th and Republic of Korea ranks 2nd of 116 countries.
Where does this data come from?
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Research and development expenditure (% of GDP). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Republic of Korea: Research and development expenditure. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 29 August 2026, from https://science-tech.statizoid.com/compare/research-and-development-expenditure-percent-of-gdp/japan/korea-rep/

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About this data

Indicator
Research and development expenditure (% of GDP)
Unit
% of GDP
Source
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
147 places, 3,092 data points, 1996–2024
Last refreshed

Gross domestic expenditures on research and development (R&D), expressed as a percent of GDP. They include both capital and current expenditures in the four main sectors: Business enterprise, Government, Higher education and Private non-profit. R&D covers basic research, applied research, and experimental development.