There is no protection from nuclear explosions, whether deliberate or accidental.

There are roughly 13,000 nuclear weapons in the world today.

Thousands are ready to launch in about 30 minutes, and would start hitting their targets about 30 minutes after that.

To support change, urge your government to support the UN Treaty on the Prohibition of Nuclear Weapons.

Produced in collaboration with the Nuclear Knowledges research programme, Sciences Po University, Paris.

Data courtesy of Hans Kristensen and Matt Korda at the Federation of American Scientists.