| | Participant |
Signature |
Ratification, Accession (a), Succession (d) |
| Afghanistan |
|
30 Aug 2005 a |
| Albania |
|
18 Aug 1992 a |
| Algeria |
|
21 Feb 1963 d |
| Angola |
|
23 Jun 1981 a |
| Antigua and Barbuda |
|
7 Sep 1995 a |
| Argentina |
|
15 Nov 1961 a |
| Armenia |
|
6 Jul 1993 a |
| Australia |
|
22 Jan 1954 a |
| Austria |
28 Jul 1951 |
1 Nov 1954 |
| Azerbaijan |
|
12 Feb 1993 a |
| Bahamas |
|
15 Sep 1993 a |
| Belarus |
|
23 Aug 2001 a |
| Belgium |
28 Jul 1951 |
22 Jul 1953 |
| Belize |
|
27 Jun 1990 a |
| Benin |
|
4 Apr 1962 d |
| Bolivia |
|
9 Feb 1982 a |
| Bosnia and Herzegovina2 |
|
1 Sep 1993 d |
| Botswana |
|
6 Jan 1969 a |
| Brazil |
15 Jul 1952 |
16 Nov 1960 |
| Bulgaria |
|
12 May 1993 a |
| Burkina Faso |
|
18 Jun 1980 a |
| Burundi |
|
19 Jul 1963 a |
| Cambodia |
|
15 Oct 1992 a |
| Cameroon |
|
23 Oct 1961 d |
| Canada |
|
4 Jun 1969 a |
| Central African Republic |
|
4 Sep 1962 d |
| Chad |
|
19 Aug 1981 a |
| Chile |
|
28 Jan 1972 a |
| China3 |
|
24 Sep 1982 a |
| Colombia |
28 Jul 1951 |
10 Oct 1961 |
| Congo |
|
15 Oct 1962 d |
| Costa Rica |
|
28 Mar 1978 a |
| Côte d'Ivoire |
|
8 Dec 1961 d |
| Croatia2 |
|
12 Oct 1992 d |
| Cyprus |
|
16 May 1963 d |
| Czech Republic4 |
|
11 May 1993 d |
| Democratic Republic of the Congo |
|
19 Jul 1965 a |
| Denmark |
28 Jul 1951 |
4 Dec 1952 |
| Djibouti |
|
9 Aug 1977 d |
| Dominica |
|
17 Feb 1994 a |
| Dominican Republic |
|
4 Jan 1978 a |
| Ecuador |
|
17 Aug 1955 a |
| Egypt |
|
22 May 1981 a |
| El Salvador |
|
28 Apr 1983 a |
| Equatorial Guinea |
|
7 Feb 1986 a |
| Estonia |
|
10 Apr 1997 a |
| Ethiopia |
|
10 Nov 1969 a |
| Fiji |
|
12 Jun 1972 d |
| Finland |
|
10 Oct 1968 a |
| France |
11 Sep 1952 |
23 Jun 1954 |
| Gabon |
|
27 Apr 1964 a |
| Gambia |
|
7 Sep 1966 d |
| Georgia |
|
9 Aug 1999 a |
| Germany5,6 |
19 Nov 1951 |
1 Dec 1953 |
| Ghana |
|
18 Mar 1963 a |
| Greece |
10 Apr 1952 |
5 Apr 1960 |
| Guatemala |
|
22 Sep 1983 a |
| Guinea |
|
28 Dec 1965 d |
| Guinea-Bissau |
|
11 Feb 1976 a |
| Haiti |
|
25 Sep 1984 a |
| Holy See |
21 May 1952 |
15 Mar 1956 |
| Honduras |
|
23 Mar 1992 a |
| Hungary |
|
14 Mar 1989 a |
| Iceland |
|
30 Nov 1955 a |
| Iran (Islamic Republic of) |
|
28 Jul 1976 a |
| Ireland |
|
29 Nov 1956 a |
| Israel |
1 Aug 1951 |
1 Oct 1954 |
| Italy |
23 Jul 1952 |
15 Nov 1954 |
| Jamaica |
|
30 Jul 1964 d |
| Japan |
|
3 Oct 1981 a |
| Kazakhstan |
|
15 Jan 1999 a |
| Kenya |
|
16 May 1966 a |
| Kyrgyzstan |
|
8 Oct 1996 a |
| Latvia |
|
31 Jul 1997 a |
| Lesotho |
|
14 May 1981 a |
| Liberia |
|
15 Oct 1964 a |
| Liechtenstein |
28 Jul 1951 |
8 Mar 1957 |
| Lithuania |
|
28 Apr 1997 a |
| Luxembourg |
28 Jul 1951 |
23 Jul 1953 |
| Madagascar |
|
18 Dec 1967 a |
| Malawi |
|
10 Dec 1987 a |
| Mali |
|
2 Feb 1973 d |
| Malta |
|
17 Jun 1971 a |
| Mauritania |
|
5 May 1987 a |
| Mexico |
|
7 Jun 2000 a |
| Moldova |
|
31 Jan 2002 a |
| Monaco |
|
18 May 1954 a |
| Montenegro |
|
10 Oct 2006 d |
| Morocco |
|
7 Nov 1956 d |
| Mozambique |
|
16 Dec 1983 a |
| Namibia |
|
17 Feb 1995 a |
| Netherlands |
28 Jul 1951 |
3 May 1956 |
| New Zealand |
|
30 Jun 1960 a |
| Nicaragua |
|
28 Mar 1980 a |
| Niger |
|
25 Aug 1961 d |
| Nigeria |
|
23 Oct 1967 a |
| Norway |
28 Jul 1951 |
23 Mar 1953 |
| Panama |
|
2 Aug 1978 a |
| Papua New Guinea |
|
17 Jul 1986 a |
| Paraguay |
|
1 Apr 1970 a |
| Peru |
|
21 Dec 1964 a |
| Philippines |
|
22 Jul 1981 a |
| Poland |
|
27 Sep 1991 a |
| Portugal3 |
|
22 Dec 1960 a |
| Republic of Korea |
|
3 Dec 1992 a |
| Romania |
|
7 Aug 1991 a |
| Russian Federation |
|
2 Feb 1993 a |
| Rwanda |
|
3 Jan 1980 a |
| Saint Kitts and Nevis |
|
1 Feb 2002 a |
| Saint Vincent and the Grenadines |
|
3 Nov 1993 a |
| Samoa |
|
21 Sep 1988 a |
| Sao Tome and Principe |
|
1 Feb 1978 a |
| Senegal |
|
2 May 1963 d |
| Serbia2 |
|
12 Mar 2001 d |
| Seychelles |
|
23 Apr 1980 a |
| Sierra Leone |
|
22 May 1981 a |
| Slovakia4 |
|
4 Feb 1993 d |
| Slovenia2 |
|
6 Jul 1992 d |
| Solomon Islands |
|
28 Feb 1995 a |
| Somalia |
|
10 Oct 1978 a |
| South Africa |
|
12 Jan 1996 a |
| Spain |
|
14 Aug 1978 a |
| Sudan |
|
22 Feb 1974 a |
| Suriname7 |
|
29 Nov 1978 d |
| Swaziland |
|
14 Feb 2000 a |
| Sweden |
28 Jul 1951 |
26 Oct 1954 |
| Switzerland |
28 Jul 1951 |
21 Jan 1955 |
| Tajikistan |
|
7 Dec 1993 a |
| The Former Yugoslav Republic of Macedonia2 |
|
18 Jan 1994 d |
| Timor-Leste |
|
7 May 2003 a |
| Togo |
|
27 Feb 1962 d |
| Trinidad and Tobago |
|
10 Nov 2000 a |
| Tunisia |
|
24 Oct 1957 d |
| Turkey |
24 Aug 1951 |
30 Mar 1962 |
| Turkmenistan |
|
2 Mar 1998 a |
| Tuvalu8 |
|
7 Mar 1986 d |
| Uganda |
|
27 Sep 1976 a |
| Ukraine9 |
|
10 Jun 2002 a |
| United Kingdom of Great Britain and Northern Ireland |
28 Jul 1951 |
11 Mar 1954 |
| United Republic of Tanzania |
|
12 May 1964 a |
| Uruguay |
|
22 Sep 1970 a |
| Yemen10 |
|
18 Jan 1980 a |
| Zambia |
|
24 Sep 1969 d |
| Zimbabwe |
|
25 Aug 1981 a |