Zambia holds a 53–47 advantage over Botswana on the Relative Advantage Index.
The margin is driven by economic size (GDP) (57% of the combined total, $25.3bn) and active personnel (63% of the combined total, 15.0k). Botswana 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1 factor — nuclear warheads — could not be scored because the figure is unpublished for at least one side.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 | Botswana | Share | Zambia | Weight |
|---|---|---|---|---|
Military spending SIPRI Milex | $614m | 60%40% | $406m | 33% |
Economic size (GDP) World Bank WDI | $19.4bn | 43%57% | $25.3bn | 27% |
Active personnel COW NMC | 9.0k | 38%63% | 15.0k | 20% |
Logistics & power projection OurAirports | 7 | 41%59% | 10 | 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.