Current chemical weapons activity

Chemical weapons are chemicals used to cause death or harm through their poisonous properties.

Source: OWID based on ACA (2022), NTI (2022), and CNS (2008).

Note: Information as of September 15, 2022. 'Allegedly' refers to situations where a country was charged by another country of pursuing or using chemical weapons, but the claims have not been confirmedby the country itself or impartial observers. 'Recent' use means within the last decade.