| Previous Name | Changed | Country | % Correct |
|---|---|---|---|
| Burma | 1989 | Myanmar | 98%
|
| Persia | 1935 | Iran | 95%
|
| Macedonia | 2019 | North Macedonia | 95%
|
| Swaziland | 2018 | Eswatini | 92%
|
| Irish Free State | 1937 | Ireland | 90%
|
| Siam | 1939 | Thailand | 89%
|
| Republic of Zaire | 1997 | Democratic Republic of the Congo | 85%
|
| Abyssinia | 1945 | Ethiopia | 85%
|
| Ceylon | 1972 | Sri Lanka | 82%
|
| Rhodesia | 1980 | Zimbabwe | 79%
|
| French Somaliland | 1977 | Djibouti | 73%
|
| Democratic Kampuchea | 1993 | Cambodia | 67%
|
| Malagasy Republic | 1975 | Madagascar | 61%
|
| Upper Volta | 1984 | Burkina Faso | 52%
|
| Bechuanaland | 1966 | Botswana | 45%
|