Military

Largest Military Budgets

Countries with the largest military budgets ranked by defense spending in billions USD (2023).

Largest Active Military Forces

The 20 countries with the largest active military personnel in the world. China leads with over 2 million active troops, followed by India at 1.5 million and the United States at 1.34 million. North Korea and Russia round out the top five with over 1.2 million each.

Largest Nuclear Arsenals by Country

Countries with the largest estimated nuclear warhead stockpiles. Russia leads with 4,400 total warheads, followed by the United States at 3,700 and China with 620. The 9 nuclear-armed states together hold an estimated 9,745 warheads.

Largest Air Forces in the World (2025)

The 20 countries with the largest air forces ranked by total military aircraft across all service branches. The United States dominates with over 13,000 aircraft — more than Russia, China, and India combined.