Japan vs South Korea: Military spending

Japan
62.31 billion constant 2022 US$
in 2023
South Korea
57.02 billion constant 2022 US$
in 2023
Japan rank
9th
South Korea rank
11th

Military spending over time

  • Japan
  • South Korea
050.0B100.0B150.0B200.0B250.0B186019412023

How they compare

Japan currently reports 62.31 billion constant 2022 US$ against 57.02 billion constant 2022 US$ in South Korea, a difference of 5.30 billion constant 2022 US$.

That makes Japan's figure about 1.1 times South Korea's.

Across all 72 years both countries report, Japan has been ahead every year.

Japan ranks 9th and South Korea ranks 11th of 172 countries.

Japan has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade Japan South Korea Difference Ahead
1950s 3.95 billion constant 2022 US$ 875.89 million constant 2022 US$ 3.07 billion constant 2022 US$ Japan
1960s 6.32 billion constant 2022 US$ 1.17 billion constant 2022 US$ 5.14 billion constant 2022 US$ Japan
1970s 18.26 billion constant 2022 US$ 4.45 billion constant 2022 US$ 13.81 billion constant 2022 US$ Japan
1980s 38.49 billion constant 2022 US$ 12.20 billion constant 2022 US$ 26.30 billion constant 2022 US$ Japan
1990s 64.05 billion constant 2022 US$ 21.40 billion constant 2022 US$ 42.65 billion constant 2022 US$ Japan
2000s 58.92 billion constant 2022 US$ 25.72 billion constant 2022 US$ 33.20 billion constant 2022 US$ Japan
2010s 58.06 billion constant 2022 US$ 40.60 billion constant 2022 US$ 17.46 billion constant 2022 US$ Japan
2020s 61.08 billion constant 2022 US$ 56.50 billion constant 2022 US$ 4.59 billion constant 2022 US$ Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher military spending, Japan or South Korea?
Japan, at 62.31 billion constant 2022 US$ against 57.02 billion constant 2022 US$ in South Korea as of 2023.
What is the difference in military spending between Japan and South Korea?
5.30 billion constant 2022 US$, with Japan ahead.
How many years of comparable data are there for Japan and South Korea?
72 years are reported by both, from 1952 to 2023.
How do Japan and South Korea rank globally for military spending?
Japan ranks 9th and South Korea ranks 11th of 172 countries.
Where does this data come from?
Barnum et al. – Global Military Spending Dataset (2025) – with minor processing by Our World in Data, published as Military spending. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs South Korea: Military spending. Statizoid, drawing on Barnum et al. – Global Military Spending Dataset (2025) – with minor processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/military-spending-gmsd/japan/korea-rep/

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About this data

Indicator
Military spending
Unit
constant 2022 US$
Source
Barnum et al. – Global Military Spending Dataset (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
172 places, 15,402 data points, 1816–2023
Last refreshed

This data is expressed in US dollars. It is adjusted for inflation but does not account for differences in the cost of living between countries.