Status of the Treaty of Tlatelolco
The Treaty for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (Treaty of Tlatelolco) was opened for signature on 14 February 1967 in Mexico City.
State | Signature | RA / AD / AC / AP / SE* | Entry into force (Art. 29) | |
| Antigua and Barbuda | 11 Oct 1983 | 11 Oct 1983 RA | 11 Oct 1983 (Waiver) | |
| Argentina | 27 Sept 1967 | 18 Jan 1994 RA | 18 Jan 1994 (Waiver) | |
| Bahamas | 29 Nov 1976 | 26 Apr 1977 RA | 26 Apr 1977 (Waiver) | |
| Barbados | 18 Oct 1968 | 25 Apr 1969 RA | 25 Apr 1969 (Waiver) | |
| Belize | 14 Feb 1992 | 9 Nov 1994 RA | 9 Nov 1994 (Waiver) | |
| Bolivia | 14 Feb 1967 | 18 Feb 1969 RA | 18 Feb 1969 (Waiver) | |
| Brazil | 9 May 1967 | 29 Jan 1968 RA | 30 May 1994 (Waiver) | |
| Chile | 14 Feb 1967 | 9 Oct 1974 RA | 18 Jan 1994 (Waiver) | |
| Colombia | 14 Feb 1967 | 4 Aug 1972 RA | 6 Sep 1972 (Waiver) | |
| Costa Rica | 14 Feb 1967 | 25 Aug 1969 RA | 25 Aug 1969 (Waiver) | |
| Cuba | 25 Mar 1995 | 23 Oct 2002 RA | 23 Oct 2002 (Waiver) | |
| Dominica | 2 May 1989 | 4 Jun 1993 RA | 25 Aug 1993 (Waiver) | |
| Dominican Republic | 28 Jul 1967 | 14 Jun 1968 RA | 14 Jun 1968 (Waiver) | |
| Ecuador | 14 Feb 1967 | 14 Feb 1969 RA | 14 Feb 1969 (Waiver) | |
| El Salvador | 14 Feb 1967 | 22 Apr 1968 RA | 22 Apr 1968 (Waiver) | |
| Grenada | 29 Apr 1975 | 20 Jun 1975 RA | 20 Jun 1975 (Waiver) | |
| Guatemala | 14 Feb 1967 | 6 Feb 1970 RA | 6 Feb 1970 (Waiver) | |
| Guyana | 16 Jan 1995 | 16 Jan 1995 RA | 17 May 1997 (Waiver) | |
| Haiti | 14 Feb 1967 | 23 May 1969 RA | 23 May 1969 (Waiver) | |
| Honduras | 14 Feb 1967 | 23 Sept 1968 RA | 23 Sept 1968 (Waiver) | |
| Jamaica | 26 Oct 1967 | 26 Jun 1969 RA | 26 Jun 1969 (Waiver) | |
| Mexico | 14 Feb 1967 | 20 Sept 1967 RA | 20 Sept 1967 (Waiver) | |
| Nicaragua | 15 Feb 1967 | 24 Oct 1968 RA | 24 Oct 1968 (Waiver) | |
| Panama | 14 Feb 1967 | 11 Jun 1971 RA | 11 Jun 1971 (Waiver) | |
| Paraguay | 26 Apr 1967 | 19 Mar 1969 RA | 19 Mar 1969 (Waiver) | |
| Peru | 14 Feb 1967 | 4 Mar 1969 RA | 4 Mar 1969 (Waiver) | |
| Saint Christoper and Nevis | 18 Feb 1994 | 18 Apr 1995 RA | 14 Feb 1997 (Waiver) | |
| Saint Lucia | 25 Aug 1992 | 2 Jun 1995 RA | 2 Jun 1995 (Waiver) | |
| Saint Vincent and the Grenadines | 14 Feb 1992 | 14 Feb 1992 RA | 11 May 1992 (Waiver) | |
| Suriname | 13 Feb 1976 | 10 Jun 1977 RA | 10 Jun 1977 (Waiver) | |
| Trinidad and Tobago | 27 Jun 1967 | 3 Dec 1970 RA | 27 Jun 1975 (Waiver) | |
| Uruguay | 14 Feb1967 | 20 Aug 1968 RA | 20 Aug 1968 (Waiver) | |
| Venezuela | 14 Feb 1967 | 23 Mar 1970 RA | 23 Mar 1970 (Waiver) | |
* RA: Ratification. | ||||