A glance at the world’s nuclear weapons states and their stockpiles, based on estimates compiled from different sources:
North Korea: Believed to have enough fissile material for about a half-dozen weapons, but estimates vary widely and are unverifiable.
The United States: More than 5,000 strategic warheads, more than 1,000 operational tactical weapons _ meant for the battlefield and less powerful than the strategic arms _ and approximately 3,000 reserve and tactical warheads.
Russia: Nearly 5,000 strategic warheads, and approximately 3,500 operational tactical warheads. In addition, it has more than 11,000 strategic and tactical warheads in storage.
France: Approximately 350 strategic warheads.
China: As many as 250 strategic warheads and 150 tactical warheads.
Britain: About 200 strategic warheads.
India: Between 45 and 95 nuclear warheads.
Pakistan: Between 30 and 50 nuclear warheads.
Israel: Refuses to confirm it is a nuclear weapons state but is generally assumed to have up to 200 nuclear warheads.—AP