| South Sudan | 2015 | |
| Kosovo | 2014 | |
| Serbia | 2008 | |
| Montenegro | 2007 | |
| Tuvalu | 2007 | |
| Marshall Islands | 2006 | |
| Kiribati | 2003 | |
| Timor-Leste | 2003 | |
| Eritrea | 1999 | |
| Palau | 1999 | |
| Federated States Of Micronesia | 1997 | |
| Cambodia | 1995 | |
| Guinea-Bissau | 1995 | |
| Palestine | 1995 | |
| Nauru | 1994 | |
| Armenia | 1993 | |
| Azerbaijan | 1993 | |
| Belarus | 1993 | |
| Bosnia And Herzegovina | 1993 | |
| Burundi | 1993 | |
| Cape Verde | 1993 | |
| Comoros | 1993 | |
| Croatia | 1993 | |
| Czech Republic | 1993 | |
| Dominique | 1993 | |
| Georgia | 1993 | |
| Kazakhstan | 1993 | |
| Kyrgyzstan | 1993 | |
| Republic Of Moldova | 1993 | |
| Russian Federation | 1993 | |
| Saint Kitts And Nevis | 1993 | |
| Saint Lucia | 1993 | |
| Sao Tome And Principe | 1993 | |
| Slovakia | 1993 | |
| Slovenia | 1993 | |
| Tajikistan | 1993 | |
| The Former Yugoslav Republic Of Macedonia | 1993 | |
| Turkmenistan | 1993 | |
| Ukraine | 1993 | |
| Uzbekistan | 1993 | |
| Estonia | 1991 | |
| Latvia | 1991 | |
| Lithuania | 1991 | |
| Namibia | 1991 | |
| South Africa | 1991 | |
| American Samoa | 1987 | |
| St Vincent And The Grenadines | 1987 | |
| Vanuatu | 1987 | |
| Aruba | 1986 | |
| Cook Islands | 1986 | |
| Guam | 1986 | |
| Maldives | 1985 | |
| Brunei Darussalam | 1984 | |
| Djibouti | 1984 | |
| Equatorial Guinea | 1984 | |
| Grenada | 1984 | |
| Rwanda | 1984 | |
| Tonga | 1984 | |
| Bhutan | 1983 | |
| Samoa (Until 1996 Western Samoa) | 1983 | |
| Solomon Islands | 1983 | |
| Oman | 1982 | |
| Virgin Islands, British | 1982 | |
| Yemen | 1981 | |
| Angola | 1980 | |
| Bangladesh | 1980 | |
| Botswana | 1980 | |
| Qatar | 1980 | |
| United Arab Emirates | 1980 | |
| Zimbabwe | 1980 | |
| Bahrain | 1979 | |
| Lao People'S Democratic Republic | 1979 | |
| Mauritania | 1979 | |
| Mozambique | 1979 | |
| People'S Republic Of China | 1979 | |
| Seychelles | 1979 | |
| Vietnam | 1979 | |
| Cyprus | 1978 | |
| Antigua And Barbuda | 1976 | |
| Cayman Islands | 1976 | |
| Gambia | 1976 | |
| Andorra | 1975 | |
| Papua New Guinea | 1974 | |
| Burkina Faso | 1972 | |
| Lesotho | 1972 | |
| Mauritius | 1972 | |
| Somalia | 1972 | |
| Swaziland | 1972 | |
| Paraguay | 1970 | |
| Belize | 1968 | |
| Democratic Republic Of The Congo | 1968 | |
| Gabon | 1968 | |
| Malawi | 1968 | |
| United Republic Of Tanzania | 1968 | |
| Virgin Islands, Us | 1967 | |
| Kuwait | 1966 | |
| Central African Republic | 1965 | |
| Guinea | 1965 | |
| Saudi Arabia | 1965 | |
| Togo | 1965 | |
| Algeria | 1964 | |
| Chad | 1964 | |
| Congo | 1964 | |
| Madagascar | 1964 | |
| Niger | 1964 | |
| Sierra Leone | 1964 | |
| Cameroon | 1963 | |
| Cte D'Ivoire | 1963 | |
| Jordan | 1963 | |
| Libya | 1963 | |
| Mali | 1963 | |
| Nepal | 1963 | |
| Senegal | 1963 | |
| Zambia | 1963 | |
| Benin | 1962 | |
| Mongolia | 1962 | |
| Chinese Taipei | 1960 | |
| Albania | 1959 | |
| Ecuador | 1959 | |
| Morocco | 1959 | |
| Nicaragua | 1959 | |
| San Marino | 1959 | |
| Sudan | 1959 | |
| Suriname | 1959 | |
| Democratic People'S Republic Of Korea | 1957 | |
| Tunisia | 1957 | |
| Honduras | 1956 | |
| Uganda | 1956 | |
| Cuba | 1955 | |
| Fiji | 1955 | |
| Kenya | 1955 | |
| Liberia | 1955 | |
| Dominican Republic | 1954 | |
| Ethiopia | 1954 | |
| Malaysia | 1954 | |
| Monaco | 1953 | |
| Bahamas | 1952 | |
| Indonesia | 1952 | |
| Israel | 1952 | |
| Barbados | 1951 | |
| Ghana | 1951 | |
| Hong-Kong, China | 1951 | |
| Nigeria | 1951 | |
| Thailand | 1950 | |
| Colombia | 1948 | |
| Guyana | 1948 | |
| Iraq | 1948 | |
| Lebanon | 1948 | |
| Pakistan | 1948 | |
| Puerto Rico | 1948 | |
| Singapore | 1948 | |
| Syrian Arab Republic | 1948 | |
| Guatemala | 1947 | |
| Islamic Republic Of Iran | 1947 | |
| Myanmar | 1947 | |
| Panama | 1947 | |
| Republic Of Korea | 1947 | |
| Trinidad And Tobago | 1947 | |
| El Salvador | 1938 | |
| Sri Lanka | 1937 | |
| Afghanistan | 1936 | |
| Bermuda | 1936 | |
| Bolivia | 1936 | |
| Costa Rica | 1936 | |
| Jamaica | 1936 | |
| Malta | 1936 | |
| Peru | 1936 | |
| Brazil | 1935 | |
| Iceland | 1935 | |
| Liechtenstein | 1935 | |
| Venezuela | 1935 | |
| Chile | 1934 | |
| Philippines | 1929 | |
| India | 1927 | |
| Bulgaria | 1924 | |
| Haiti | 1924 | |
| Argentina | 1923 | |
| Mexico | 1923 | |
| Uruguay | 1923 | |
| Ireland | 1922 | |
| New Zealand | 1919 | |
| Poland | 1919 | |
| Italy | 1915 | |
| Romania | 1914 | |
| Sweden | 1913 | |
| Austria | 1912 | |
| Japan | 1912 | |
| Luxembourg | 1912 | |
| Netherlands | 1912 | |
| Spain | 1912 | |
| Switzerland | 1912 | |
| Turkey | 1911 | |
| Egypt | 1910 | |
| Portugal | 1909 | |
| Canada | 1907 | |
| Finland | 1907 | |
| Belgium | 1906 | |
| Denmark | 1905 | |
| Great Britain | 1905 | |
| Norway | 1900 | |
| Australia | 1895 | |
| Germany | 1895 | |
| Greece | 1895 | |
| Hungary | 1895 | |
| France | 1894 | |
| United States Of America | 1894 | |
| Serbia | 1912 | 1912 |
| Bohemia | 1900 | 1918 |
| Australasia | 1908 | 1919 |
| Russian Empire | 1899 | 1919 |
| Dutch East Indies | 1934 | 1938 |
| Gold Coast | 1952 | 1952 |
| Saar | 1952 | 1952 |
| North Borneo | 1956 | 1956 |
| British West Indies | 1960 | 1960 |
| United Arab Republic | 1960 | 1960 |
| Malaya | 1956 | 1960 |
| Northern Rhodesia | 1964 | 1964 |
| British Guiana | 1948 | 1964 |
| United Arab Republic | 1964 | 1968 |
| British Honduras | 1964 | 1972 |
| Rhodesia | 1960 | 1972 |
| Ceylon | 1948 | 1972 |
| Khmer Republic | 1972 | 1976 |
| Dahomey | 1964 | 1976 |
| Republic Of China | 1932 | 1976 |
| Upper Volta | 1972 | 1984 |
| South Yemen | 1988 | 1988 |
| North Yemen | 1984 | 1988 |
| Soviet Union | 1952 | 1988 |
| Burma | 1948 | 1988 |
| East Germany | 1968 | 1990 |
| West Germany | 1952 | 1990 |
| Yugoslavia | 1919 | 1992 |
| Czechoslovakia | 1919 | 1993 |
| Zaire | 1972 | 1996 |
| Federal Republic Of Yugoslavia | 1993 | 2003 |
| Serbia And Montenegro | 2003 | 2007 |
| Netherland Antilles | 1950 | 2011 |
