Republic of Korea vs United States: Research and development expenditure as a proportion of GDP

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

Research and development expenditure as a proportion of GDP over time

  • Republic of Korea
  • United States
012345200020112023

How they compare

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

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

The two have swapped places 1 time across 24 shared years of data; in 2000 it was United States ahead.

Republic of Korea ranks 2nd and United States ranks 5th of 121 countries.

Across the 3 decades both report, Republic of Korea averaged higher in 2 and United States in 1.

Head to head by decade

Decade Republic of Korea United States Difference Ahead
2000s 2.5% 2.6% 0.1% United States
2010s 3.8% 2.8% 1.0% Republic of Korea
2020s 4.7% 3.5% 1.3% Republic of Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher research and development expenditure as a proportion of gdp, Republic of Korea or United States?
Republic of Korea, at 4.9% against 3.4% in United States as of 2023.
What is the difference in research and development expenditure as a proportion of gdp between Republic of Korea and United States?
1.5%, with Republic of Korea ahead.
How many years of comparable data are there for Republic of Korea and United States?
24 years are reported by both, from 2000 to 2023.
How do Republic of Korea and United States rank globally for research and development expenditure as a proportion of gdp?
Republic of Korea ranks 2nd and United States ranks 5th of 121 countries.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Research and development expenditure as a proportion of GDP (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Republic of Korea vs United States: Research and development expenditure as a proportion of GDP. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 17 September 2026, from https://economy.statizoid.com/compare/research-and-development-expenditure-as-a-proportion-of-gdp-percent/republic-of-korea/united-states/

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About this data

Indicator
Research and development expenditure as a proportion of GDP (%)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
143 places, 2,753 data points, 2000–2024
Last refreshed