| Country | Action | Action Date | Effective Date |
|---|
| Antigua | Extension | 27/03/1950 | |
| AUSTRALIA | Ratification | 15/06/1973 | |
| Bahamas | Extension | 27/03/1950 | |
| BAHAMAS | Succession | 25/05/1976 | |
| BARBADOS | Succession | 08/05/1967 | |
| Bechuanaland | Extension | 15/05/1962 | |
| Bermuda | Decision Resvd. | 27/03/1950 | |
| British Honduras | Extension | 27/03/1950 | |
| British Virgin Islands | Extension | 27/03/1950 | |
| Brunei | Extension | 05/01/1961 | |
| Dominica | Extension | 27/03/1950 | |
| ECUADOR | Ratification | 03/10/1969 | |
| Fiji | Extension | 27/03/1950 | |
| FIJI | Succession | 19/04/1974 | 19/04/1974 |
| Gibraltar | Extension | 27/03/1950 | |
| Gilbert And Ellice Islands | Extension | 29/03/1961 | |
| Grenada | Extension | 27/03/1950 | |
| GRENADA | Succession | 09/07/1979 | 09/07/1978 |
| GUATEMALA | Ratification | 13/02/1952 | |
| Guernsey | Extension | 27/03/1950 | |
| GUYANA | Ratification | 08/06/1966 | |
| Hong Kong | Extension | 27/03/1950 | |
| Isle of Man | Extension | 27/03/1950 | |
| JAMAICA | Succession | 26/12/1962 | |
| Jersey | Extension | 27/03/1950 | |
| KENYA | Succession | 13/01/1964 | |
| MALAWI | Succession | 22/03/1965 | |
| MALAWI | Declaration | 22/03/1965 | |
| MALAYSIA | Succession | 03/03/1964 | |
| Mauritius | Extension | 27/03/1950 | |
| MAURITIUS | Succession | 02/12/1969 | |
| Montserrat | Extension | 27/03/1950 | |
| New Guinea | Extension | 15/06/1973 | |
| Nyasaland | Extension | 27/06/1963 | |
| PANAMA | Ratification | 19/06/1970 | |
| Papua | Extension | 15/06/1973 | |
| Sarawak | Extension | 23/02/1959 | |
| Seychelles | Extension | 27/03/1950 | |
| SIERRA LEONE | Succession | 13/06/1961 | |
| SINGAPORE | Succession | 25/10/1965 | |
| SINGAPORE | Declaration | 25/10/1965 | |
| Solomon Islands | Extension | 15/08/1961 | |
| Solomon Islands Protectorate | Extension | 27/02/1959 | |
| Southern Rhodesia | Extension | 27/03/1950 | |
| St Helena | Extension | 01/06/1960 | |
| St Kitts Nevis Anguilla | Extension | 27/03/1950 | |
| St Lucia | Extension | 27/03/1950 | |
| St Vincent | Extension | 27/03/1950 | |
| Swaziland | Extension | 08/03/1960 | |
| Swaziland | Declaration | 08/03/1960 | |
| SWAZILAND | Succession | 26/04/1978 | |
| Tanganyika | Extension | 22/09/1960 | |
| TANGANYIKA | Succession | 30/01/1962 | |
| TANGANYIKA AND ZANZIBAR | Ratification | 22/06/1964 | |
| TANZANIA | Ratification | 30/01/1962 | |
| UGANDA | Ratification | 04/06/1963 | |
| UNITED KINGDOM | Ratification | 27/03/1950 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Ratification | 14/04/1969 | |
| ZAMBIA | Succession | 02/12/1964 | |
| ZIMBABWE | Succession | 06/06/1980 | 26/04/1978 |
| ZIMBABWE | Declaration | 06/06/1980 | 26/04/1978 |