Japan vs South Korea: Military spending, gaps filled

Japan
59.49 billion constant 2024 US$
in 2025
South Korea
48.85 billion constant 2024 US$
in 2025
Japan rank
10th
South Korea rank
11th

Military spending, gaps filled over time

  • Japan
  • South Korea
020.0B40.0B60.0B195219882025

How they compare

Japan currently reports 59.49 billion constant 2024 US$ against 48.85 billion constant 2024 US$ in South Korea, a difference of 10.65 billion constant 2024 US$.

That makes Japan's figure about 1.2 times South Korea's.

The two have swapped places 2 times across 73 shared years of data; in 1953 it was Japan ahead.

Japan ranks 10th and South Korea ranks 11th of 162 countries.

Across the 8 decades both report, Japan averaged higher in 7 and South Korea in 1.

Head to head by decade

Decade Japan South Korea Difference Ahead
1950s 7.08 billion constant 2024 US$ 583.59 million constant 2024 US$ 6.50 billion constant 2024 US$ Japan
1960s 8.85 billion constant 2024 US$ 1.16 billion constant 2024 US$ 7.69 billion constant 2024 US$ Japan
1970s 17.47 billion constant 2024 US$ 5.10 billion constant 2024 US$ 12.38 billion constant 2024 US$ Japan
1980s 26.23 billion constant 2024 US$ 11.95 billion constant 2024 US$ 14.28 billion constant 2024 US$ Japan
1990s 35.03 billion constant 2024 US$ 18.51 billion constant 2024 US$ 16.52 billion constant 2024 US$ Japan
2000s 36.40 billion constant 2024 US$ 25.06 billion constant 2024 US$ 11.35 billion constant 2024 US$ Japan
2010s 37.11 billion constant 2024 US$ 36.08 billion constant 2024 US$ 1.03 billion constant 2024 US$ Japan
2020s 46.83 billion constant 2024 US$ 47.16 billion constant 2024 US$ 330.45 million constant 2024 US$ South Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher military spending, gaps filled, Japan or South Korea?
Japan, at 59.49 billion constant 2024 US$ against 48.85 billion constant 2024 US$ in South Korea as of 2025.
What is the difference in military spending, gaps filled between Japan and South Korea?
10.65 billion constant 2024 US$, with Japan ahead.
How many years of comparable data are there for Japan and South Korea?
73 years are reported by both, from 1953 to 2025.
How do Japan and South Korea rank globally for military spending, gaps filled?
Japan ranks 10th and South Korea ranks 11th of 162 countries.
Where does this data come from?
Statizoid (derived), published as Military spending, gaps filled. 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, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/compare/military-spending-gaps-filled/japan/korea-rep/

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About this data

Indicator
Military spending, gaps filled
Unit
constant 2024 US$
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
162 places, 8,449 data points, 1949–2025
Last refreshed

Military spending with 108 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.