— So far, 113 states have signed the treaty, but only seven have ratified it. The General Assembly adopted it by a vote of 154 to 3, with 23 abstentions.
— The United States signed the treaty last week, but the Obama administration faces partisan opposition from the gun lobby, which views the treaty as an infringement.
— Canada hasn't signed the treaty. A coalition of non-governmental organizations is urging the government to do so, but gun owners oppose it for fear it could infringe their rights.
— Foreign Affairs Minister John Baird's office says the government wants to make sure the treaty does not discourage lawful gun owners or the transfer of firearms for recreational uses.
— The treaty prohibits the transfer of conventional weapons if they violate arms embargoes or if they promote acts of genocide, crimes against humanity or war crimes, and if they could be used in attacks on civilian targets.
— The global arms trade is estimated at between $60 billion and $85 billion annually.
Source: United Nations, The Canadian Press and the Associated Press