Ten Ways to Rank Military Power
No single number captures what makes a country militarily strong. A massive army without modern equipment is different from a small professional force with cutting-edge weapons. A country with nuclear weapons but no conventional reach plays a different strategic role than a country with vast conventional capability but no nuclear deterrent. That is why we maintain ten separate rankings, each focused on a different dimension of national military power.
Use these rankings together, not individually. A country in the top 10 of three or four metrics is likely a major regional or global power. A country in the top 10 of only one metric is usually a specialized actor — heavy on personnel, heavy on spending, heavy on nuclear deterrent — with specific strategic roles. Our Power Index ranking aggregates all of them into a single score, which is a useful starting point but not a substitute for looking at the underlying details.