What states have chemical weapons and have they signed the CWC?
The CWC requires that all states joining the treaty declare their chemical weapons stockpiles. Only the United States and Russia declared possession of chemical weapons stockpiles prior to 29 April 1997. The United States holds approximately 30,000 metric tons of chemical weapons agent in bulk and munition form. Russia has declared a stockpile of 40,000 metric tons. In the months following entry into force, an additional two countries-India and South Korea-declared chemical weapons stockpiles. Iraq’s known chemical weapons stockpile was destroyed under the supervision of the United Nations Special Commission on Iraq (UNSCOM) in accordance with the terms of Security Council resolutions following the Persian Gulf War. UNSCOM continued to investigate the full extent of Iraq’s chemical weapons capabilities, including Iraq’s possible weaponization of the nerve agent VX, until its withdrawal from the country in December 1998. According to US intelligence estimates, Libya is also thought to h
