CONFLICTIQ
HEAD TO HEAD

Japan vs Russia

Japan
38%
RAI
Russia
62%

Verdict

Russia holds a 62–38 advantage over Japan on the Relative Advantage Index, a clear margin.

The margin is driven by military spending (75% of the combined total, $190bn) and active personnel (83% of the combined total, 1.2m). Japan leads on economic size (GDP).

1 factor — nuclear warheads — could not be scored because the figure is unpublished for at least one side. Those factors are excluded and the remaining weights renormalised, never substituted.

Factor by factor

FactorJapanShareRussiaWeight
Military spending
SIPRI Milex
$62.2bn
25%75%
$190bn33%
Economic size (GDP)
World Bank WDI
$4.0tn
65%35%
$2.2tn27%
Active personnel
COW NMC
247.0k
17%83%
1.2m20%
Logistics & power projection
OurAirports
270
47%53%
30720%

Shares are each side's portion of the combined total for that factor. Weights are renormalised across the factors both sides publish — see the methodology. Data read 2026-08-04.

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