| Year Change | Old Name | Current Name | % Correct |
|---|---|---|---|
| 1989 | Burma | Myanmar | 90%
|
| 1975/2002 | Portuguese Timor | East Timor/ Timor-Leste | 88%
|
| 1975 | Dutch Guiana | Suriname | 88%
|
| 1971 | East Pakistan | Bangladesh | 85%
|
| 2018 | Swaziland | Eswatini | 85%
|
| 1935 | Persia | Iran | 83%
|
| 1972 | Ceylon | Sri Lanka | 83%
|
| 1997 | Zaire | Democratic Republic of the Congo | 81%
|
| 1949 | Siam | Thailand | 81%
|
| 1966 | British Guiana | Guyana | 79%
|
| 1945/1949 | Dutch East Indies | Indonesia | 79%
|
| 1980 | Southern Rhodesia | Zimbabwe | 79%
|
| 1973 | British Honduras | Belize | 77%
|
| 1932 | British Mandate of Mesopotamia | Iraq | 77%
|
| 1990 | Southwest Africa | Namibia | 75%
|
| 1964 | Northern Rhodesia | Zambia | 75%
|
| 1991 | Kampuchea | Cambodia | 73%
|
| 1974 | Portuguese Guinea | Guinea-Bissau | 71%
|
| 1946 | Transjordan | Jordan | 69%
|
| 1968 | Spanish Guinea | Equatorial Guinea | 67%
|
| 1971 | The Trucial States of the Coast of Oman | United Arab Emirates | 67%
|
| 1977 | French Somaliland | Djibouti | 65%
|
| 1957 | Gold Coast | Ghana | 65%
|
| 1898 | Spanish East Indies | Philippines | 63%
|
| 1825 | Upper Peru | Bolivia | 60%
|
| 1941 | Abyssinia | Ethiopia | 58%
|
| 1984 | Upper Volta | Burkina Faso | 52%
|
| 1821 | New Spain | Mexico | 50%
|
| 1975 | Dahomey | Benin | 48%
|
| 1979 | Gilbert Islands | Kiribati | 44%
|
| 1964 | Nyasaland | Malawi | 42%
|
| 1960 | French Sudan | Mali | 42%
|
| 1966 | Bechuanaland | Botswana | 38%
|
| 1932 | Kingdom of Hejaz and Nejd | Saudi Arabia | 38%
|
| 1966 | Basutoland | Lesotho | 33%
|
| 1863 | New Granada | Colombia | 27%
|
| 1980 | New Hebrides | Vanuatu | 27%
|
| 1978 | Ellice Islands | Tuvalu | 25%
|
| 1530 | Terra de Santa Cruz | Brazil | 19%
|
| 1958/1979 | Ubangi-Shari | Central African Republic | 17%
|
| 1819 | Temasik | Singapore | 17%
|