India holds a 53–47 advantage over United Kingdom on the Relative Advantage Index.
The margin is driven by active personnel (91% of the combined total, 1.5m) and military spending (51% of the combined total, $92.1bn). United Kingdom leads on logistics & power projection and nuclear warheads.
| Factor | India | Share | United Kingdom | Weight |
|---|---|---|---|---|
Military spending SIPRI Milex | $92.1bn | 51%49% | $89.0bn | 25% |
Economic size (GDP) World Bank WDI | $3.9tn | 51%49% | $3.7tn | 20% |
Active personnel COW NMC | 1.5m | 91%9% | 150.0k | 15% |
Nuclear warheads FAS Nuclear Notebook | 180 | 44%56% | 225 | 25% |
Logistics & power projection OurAirports | 146 | 35%65% | 272 | 15% |
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.
Every combination inside the top 30 of the Composite Power Index.
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