Number of countries by their current activity on chemical weapons, World

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.