Why are South Africans black?

You can't tell what race he is from the latitude. Race is related to many aspects. We divide people into continents. There are yellow people in Asia, white people in Europe, North America (obvious regional migration) and mixed-race people in South America. And Africa is naturally dominated by blacks.

First of all, it is related to population migration.

But South Africa was initially dominated by blacks, followed by whites, followed by hybrids, and so on. White people migrated from Europe in those days, while black people are the most primitive race in South Africa. Generally speaking, we think there are more whites in North Africa and East Africa, but South Africa is dominated by blacks.

Then there is the climate. South Africa has five kinds of climate, mainly savanna, with high temperature in summer and strong light in four seasons (you can see the World Cup, although it is winter in South Africa, the light is still very strong), high terrain, weak evaporation and weak ability to reduce solar radiation.

I don't know why there are other customs, biological genetic factors, the amount of melanin and so on. There are many races in South Africa, and there are eleven official languages in South Africa. No wonder South Africa is called the rainbow country.