Watch the 2021 Doomsday Clock announcement LIVE on January 27 at 10am EST

nuclear stockpiles

Nuclear launch console.

Worldwide deployments of nuclear weapons, 2014

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook, Nuclear Weapons

Global nuclear weapons inventories, 1945-2013

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook, Nuclear Weapons

Global Nuclear Stockpiles, 1945–2002

By Robert S. Norris, Hans M. Kristensen | Nuclear Notebook