Africa, obviously. Easily exceeds all other continents in interracial killings.
children are taught in schools (when studying foreign countries) that black people are lazy, stupid criminals while white people are intelligent and hard-working.
Source for this?
Japanese people still largely see themselves as the master race, and they allow almost no immigration lest their blood be tainted.
PRC-See Korea, intolerance and de facto ethnic cleansing aimed at non-Han Chinese.
When speaking about the PRC, one usually means the People's Republic of China, but since the description above has nothing to with it, what country are you calling PRC?