| Entry into force: | 20 January 1984, in accordance with article 73 of the Constitution. |
| Status: | ,Parties: 140. |
| Text: | United Nations, Treaty Series, vol.1347, 289. |
Note: The amendments to articles 24 and 25 of the Constitution of the World Health Organization were adopted by the Twenty-ninth World Health Assembly by resolution WHA 29.33 of 17 May 1976.
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| Participant | Acceptance (A) |
| Afghanistan | 20 Sep 1982 A |
| Algeria | 23 Nov 1983 A |
| Andorra | 15 Jan 1997 A |
| Armenia | 4 May 1992 A |
| Australia | 30 Mar 1977 A |
| Azerbaijan | 2 Oct 1992 A |
| Bahamas | 29 May 1980 A |
| Bahrain | 25 Apr 1980 A |
| Bangladesh | 3 Aug 1978 A |
| Barbados | 3 Aug 1977 A |
| Belgium | 29 Dec 1977 A |
| Belize | 23 Aug 1990 A |
| Benin | 4 May 1983 A |
| Bhutan | 8 Sep 1982 A |
| Bolivia | 16 Jun 1982 A |
| Bosnia and Herzegovina | 10 Sep 1992 A |
| Botswana | 24 Feb 1978 A |
| Brazil | 27 Aug 1982 A |
| Bulgaria | 18 Jan 1983 A |
| Burundi | 21 Jul 1981 A |
| Cambodia | 17 Aug 1983 A |
| Cameroon | 25 Sep 1978 A |
| Canada | 20 Jan 1984 A |
| Cape Verde | 13 Jan 1978 A |
| Chile | 5 Aug 1982 A |
| China | 20 May 1982 A |
| Comoros | 13 Dec 1982 A |
| Côte d'Ivoire | 16 Dec 1977 A |
| Croatia | 11 Jun 1992 A |
| Cyprus | 27 Nov 1985 A |
| Czech Republic3 | 22 Jan 1993 A |
| Democratic People's Republic of Korea | 2 Mar 1982 A |
| Democratic Republic of the Congo | 2 May 1983 A |
| Denmark | 1 Jul 1981 A |
| Djibouti | 5 Dec 1983 A |
| Ecuador | 22 Nov 1976 A |
| Egypt | 21 Dec 1976 A |
| Eritrea | 24 Jul 1993 A |
| Ethiopia | 6 Jan 1977 A |
| Fiji | 20 May 1981 A |
| Finland | 14 Jun 1977 A |
| France | 22 Jul 1981 A |
| Gabon | 11 May 1982 A |
| Georgia | 26 May 1992 A |
| Germany27,28 | 16 Jan 1985 A |
| Greece | 27 Feb 1978 A |
| Guatemala | 16 Jan 1979 A |
| Guinea-Bissau | 5 Feb 1980 A |
| Guyana | 30 Sep 1982 A |
| Hungary | 4 May 1983 A |
| Iceland | 22 Jul 1983 A |
| India | 23 Jan 1978 A |
| Indonesia | 24 May 1978 A |
| Iran (Islamic Republic of) | 22 Feb 1980 A |
| Iraq29 | 25 Sep 1978 A |
| Ireland | 16 Feb 1982 A |
| Italy | 17 May 1983 A |
| Jamaica | 11 Apr 1983 A |
| Jordan | 10 Jun 1983 A |
| Kazakhstan | 19 Aug 1992 A |
| Kenya | 1 Mar 1983 A |
| Kuwait | 7 Jun 1984 A |
| Kyrgyzstan | 29 Apr 1992 A |
| Lao People's Democratic Republic | 23 Jan 1978 A |
| Latvia | 4 Dec 1991 A |
| Lebanon | 21 Jun 1982 A |
| Liberia | 25 May 1982 A |
| Libyan Arab Jamahiriya | 16 Jun 1982 A |
| Lithuania | 25 Nov 1991 A |
| Luxembourg | 22 Jun 1982 A |
| Madagascar | 8 Mar 1983 A |
| Malawi | 9 Apr 1980 A |
| Malaysia | 25 Jan 1984 A |
| Maldives | 20 Sep 1977 A |
| Malta | 20 Jul 1977 A |
| Marshall Islands | 5 Jun 1991 A |
| Mauritania | 28 Apr 1982 A |
| Mauritius | 3 Sep 1981 A |
| Mexico | 23 Feb 1979 A |
| Micronesia (Federated States of) | 14 Aug 1991 A |
| Monaco | 13 Jan 1983 A |
| Mongolia | 10 Nov 1981 A |
| Mozambique | 27 Feb 1978 A |
| Myanmar | 15 Jun 1979 A |
| Nauru | 9 May 1994 A |
| Nepal | 23 Apr 1980 A |
| Netherlands35 | 18 Oct 1977 A |
| New Zealand | 26 Mar 1980 A |
| Nicaragua | 16 Feb 1983 A |
| Niger | 28 Dec 1976 A |
| Niue | 5 May 1994 A |
| Norway | 29 Dec 1976 A |
| Oman | 8 Aug 1980 A |
| Palau | 9 Mar 1995 A |
| Panama | 12 Nov 1984 A |
| Papua New Guinea | 1 Jul 1983 A |
| Peru | 10 Oct 1978 A |
| Philippines | 7 Oct 1981 A |
| Portugal | 26 Jun 1978 A |
| Qatar | 7 Dec 1982 A |
| Republic of Moldova | 4 May 1992 A |
| Romania | 18 Jul 1977 A |
| Russian Federation | 1 Apr 1982 A |
| Samoa | 9 May 1980 A |
| San Marino | 28 Oct 1980 A |
| Sao Tome and Principe | 12 Apr 1982 A |
| Saudi Arabia | 13 Jan 1977 A |
| Senegal | 12 Jan 1983 A |
| Seychelles | 22 Feb 1980 A |
| Singapore | 9 Jun 1983 A |
| Slovakia3 | 4 Feb 1993 A |
| Slovenia | 7 May 1992 A |
| Spain | 4 Nov 1976 A |
| Sri Lanka | 6 Oct 1978 A |
| Sudan | 13 Jul 1982 A |
| Suriname | 4 Oct 1976 A |
| Sweden | 4 Feb 1980 A |
| Switzerland | 21 Jul 1978 A |
| Tajikistan | 4 May 1992 A |
| Thailand | 7 Jun 1978 A |
| the former Yugoslav Republic of Macedonia | 22 Apr 1993 A |
| Togo | 18 Oct 1982 A |
| Tonga | 28 Nov 1977 A |
| Trinidad and Tobago | 4 Jun 1985 A |
| Tunisia | 30 Sep 1983 A |
| Turkey | 29 Dec 1982 A |
| Turkmenistan | 2 Jul 1992 A |
| Tuvalu | 7 May 1993 A |
| Uganda | 10 Jan 1978 A |
| United Arab Emirates | 7 Oct 1982 A |
| United Kingdom of Great Britain and Northern Ireland | 24 Feb 1978 A |
| United States of America | 11 Nov 1982 A |
| Uruguay | 10 Apr 1978 A |
| Uzbekistan | 22 May 1992 A |
| Venezuela | 17 Aug 1983 A |
| Viet Nam | 30 Dec 1981 A |
| Yemen30 | 3 May 1982 A |
| Yugoslavia | 2 Sep 1983 A |
| Zambia | 10 Aug 1984 A |
| Zimbabwe | 13 Oct 1982 A |