The U.S. outpaces all other nations in military expenditures. World military spending totaled more than $1.6 trillion in 2015. The U.S. accounted for 37 percent of the total.
U.S. military expenditures are roughly the size of the next seven largest military budgets around the world, combined.
U.S. military spending dwarfs the budget of the #2 country – China. For every dollar China spends on its military, the U.S. spends $2.77.