What are the skin colors of Africa, Europe, America, Asia, and Oceania?

Africa is mostly black, with a small number of mulattoes, browns and a small amount of white. Europe is mostly white, with a small number of blacks. France, for example, has more blacks. In Germany and Russia, there are almost no blacks. There are yellow people in Asia and white people and black people in South America. Most of them are in the United States. They are the descendants of black Africans who immigrated to the United States. For example, President Obama of the United States is not considered a real black person. South America is relatively chaotic, with pure whites, pure blacks, mulattoes, and blacks and browns. Brown people, brown is generally found in Brazil and belongs to the Indian tribe.