Table 1: Approximate ethnic composition of Argentina Brazil and the USA as reported in Encyclopedia Britannica Year Book, 2017.
| Country | Total population | Caucasian | Africans | Mulattos | Mestizios | Others | Comments |
| Argentina | 40 | 85% | 1% a) | 1% a) | 9% | 4% | a) Estimation |
| Brazil | 204 | 47% | 8% | 42% b) | ? b) | 3% | b) Mestizos included with mulattos |
| USA | 323 | 78% c) | 13% | 1% a) | 2% | 6% | c) Mexicans included (17%) |
Mulattos = Results of Caucasian-African mating; Mestizos = Result of a Caucasian-Indian mating; Others: Asian populations.