Which country has the world’s largest stockpile of nuclear weapons?

A. China

B. Russia

C. France

D. United States

Detail: 

Russia has the highest number of nuclear weapons estimated at 6,490 warheads. 4,490 of these are active and 2,000 are retired. The United States follows closely behind with 6,185 total nuclear weapons, 3,800 of these are active and 2,385 are retired.