As of 2021, 400 Minutemen III ICBM missiles were spread among 450 operational launchers. Intermediate-distance nuclear weapons were eliminated from our stockpile during the Reagan administration.
As of September 2020, the U.S. stockpile of nuclear warheads consisted of 3,750 warheads. This number represents an approximate 88 percent reduction in the stockpile from its maximum (31,255) at the end of fiscal year 1967, and an approximate 83 percent reduction from its level (22,217) when the Berlin Wall fell in late 1989. The below figure shows the U.S. nuclear weapons stockpile from 1945 through September 30, 2020.
From fiscal years 1994 through 2020, the United States dismantled 11,683 nuclear warheads. Since September 30, 2017, the United States has dismantled 711 nuclear warheads. Approximately 2,000 additional nuclear warheads are currently retired and awaiting dismantlement.