5 Countries with Most Nuclear Weapons in the World

2. United States

Nuclear Warheads: 5,244

The United States is one of the two countries that are estimated to have over 5000 nuclear weapons. According to the latest reported data, the United States has as many as 5,244 nuclear warheads. However, only 1,670 of the total nuclear warheads are deployed with operational forces. The United States is still reducing its nuclear stockpile slowly and 1,536 of the total nuclear warheads of the United States have been retired.