| Party | Signature | Ratification | Status | Party |
|---|---|---|---|---|
| 31 Mar 2008 | Accession | 31 Mar 2008 | ||
| 16 Feb 2001 | Accession | 16 Feb 2001 | ||
| 24 Mar 2021 | 29 Jul 1976 | Accession | 29 Jul 1976 | |
| 13 Dec 2000 | Accession | 13 Dec 2000 | ||
| 19 Aug 2005 | Accession | 19 Jul 2005 | ||
| 14 May 1966 | 01 Apr 1969 | Ratification | 01 Apr 1969 | |
| 11 Oct 1979 | Accession | 11 Oct 1979 | ||
| 20 Aug 1968 | Accession | 21 Mar 1969 | ||
| 24 Oct 1996 | Accession | 24 Oct 1996 | ||
| 06 Dec 1972 | Accession | 06 Dec 1972 | ||
| 03 Oct 2007 | Accession | 03 Oct 2007 | ||
| 05 Dec 2014 | Accession | 05 Dec 2014 | ||
| 13 May 1987 | Accession | 13 May 1987 | ||
| 14 Nov 1997 | Accession | 14 Nov 1997 | ||
| 07 Nov 1968 | Accession | 21 Mar 1969 | ||
| 09 Aug 1967 | 19 Sep 1977 | Ratification | 19 Sep 1977 | |
| 17 Apr 1968 | Accession | 21 Mar 1969 | ||
| 17 Feb 2004 | 12 Nov 2004 | Ratification | 12 Nov 2004 | |
| 05 Jun 1991 | Accession | 05 Jun 1991 | ||
| 30 Jan 2001 | Accession | 30 Jan 2021 | ||
| 30 Oct 2002 | Accession | 30 Oct 2002 | ||
| 28 Oct 1966 | 24 Aug 1967 | Ratification | 21 Mar 1969 | |
| 27 Nov 1995 | Accession | 27 Nov 1995 | ||
| 04 Dec 2008 | Accession | 04 Dec 2008 | ||
| 24 May 2002 | Accession | 24 May 2002 | ||
| 26 Sep 1969 | Accession | 26 Sep 1969 | ||
| 28 Apr 1999 | 10 Nov 1999 | Ratification | 10 Nov 1999 | |
| 11 Mar 2004 | Accession | 11 Mar 2004 | ||
| 02 Aug 2007 | Accession | 02 Aug 2007 | ||
| 05 Mar 2004 | Accession | 05 Mar 2004 | ||
| 28 Dec 1998 | Accession | 28 Dec 1998 | ||
| 09 Jan 2004 | Accession | 09 Jan 2004 | ||
| 13 May 1966 | 28 Aug 1970 | Ratification | 28 Aug 1970 | |
| 07 Jan 1977 | Accession | 07 Jan 1977 | ||
| 20 Nov 2006 | Accession | 20 Nov 2006 | ||
| 15 Sep 1983 | Accession | 15 Sep 1983 | ||
| 21 Dec 2004 | Accession | 21 Dec 2004 | ||
| 13 Oct 2008 | Accession | 13 Oct 2008 | ||
| 17 Oct 1967 | Accession | 21 Mar 1969 | ||
| 02 Sep 2005 | Accession | 02 Sep 2005 | ||
| 11 Feb 2019 | Accession | 11 Feb 2019 | ||
| 30 Mar 1999 | Accession | 30 Mar 1999 | ||
| 16 Dec 1997 | Accession | 16 Dec 1997 | ||
| 04 Jul 2003 | Accession | 04 Jul 2003 | ||
| 14 May 1996 | 18 May 1967 | Ratification | 21 Mar 1969 | |
| 16 Mar 1983 | Accession | 16 Mar 1983 | ||
| 25 Oct 2002 | Accession | 25 Oct 2002 | ||
| 09 Jul 1970 | 17 Nov 1983 | Ratification | 17 Nov 1983 |
International Commission for the Conservation of Atlantic Tunas