National power in Yemen

• The highest was 0.24% of world capability in 2022, the lowest 0.12% of world capability in 1993.

• The Correlates of War’s Composite Index of National Capability: the country’s share of the world’s military spending, soldiers, iron and steel, energy use, people and city dwellers, averaged.
• Source: Correlates of War Project, National Material Capabilities v7.0; Singer, Bremer and Stuckey (1972), “Capability Distribution, Uncertainty, and Major Power War, 1820–1965”, in Bruce Russett (ed.), Peace, War, and Numbers, Sage, 19–48.
• Ranks count the 195 countries with a value in 2022, highest first.

How the layers work, where their data comes from and what they can’t tell you: Countries through time