List of parties to the Ottawa Treaty

The treaty, which outlaws anti-personnel mines, was opened for signature on December 3, 1997.

Canada, Ireland, and Mauritius became the first states to ratify the treaty that same day.

The treaty came into force and closed for signature on March 1, 1999 with the ratification by 40 states.

Currently, 164 states have ratified or acceded to the treaty, and one state (Marshall Islands) had signed the treaty but not ratified it.

[1] The following 164 states have either signed and ratified or acceded to the treaty.