From China and the US to India and Russia, here are the 25 largest militaries in the world, ranked by the number of active-duty armed forces.

Military strength was measured by assets, defense budget, geography, and natural resources. The United States, Russia, and China lead the list, reflecting global military power trends. Some of the ...

Explore the 2026 Global Firepower Index, a ranking of the most powerful militaries in 2026 by manpower, technology, and strategic reach.

The three most powerful armies in the world stand out for their size, technology, and force projection capabilities. The United States combines a record military budget, global air and naval power, ...