 Exceptions are Guanacaste, where almost half the population is visibly mestizo, a legacy of the more pervasive unions between Spanish colonists and Chorotega Amerindians through several generations, and Limón, where the vast majority of the Afro-Costa Rican community lives.Costa Rica hosts many refugees, mainly from Colombia and Nicaragua.As a result of that and illegal immigration, an estimated 10–15% (400,000–600,000) of the Costa Rican population is made up of Nicaraguans.