Argentina holds a 54–46 advantage over Chile on the Relative Advantage Index.
The margin is driven by economic size (GDP) (66% of the combined total, $638bn) and logistics & power projection (60% of the combined total, 110). Chile leads on military spending.
1 factor — nuclear warheads — could not be scored because the figure is unpublished for at least one side.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 | Argentina | Share | Chile | Weight |
|---|---|---|---|---|
Military spending SIPRI Milex | $3.9bn | 42%58% | $5.3bn | 33% |
Economic size (GDP) World Bank WDI | $638bn | 66%34% | $330bn | 27% |
Active personnel COW NMC | 72.0k | 51%49% | 69.0k | 20% |
Logistics & power projection OurAirports | 110 | 60%40% | 72 | 20% |
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.
Bordering states — the comparisons people actually search for.