Complex sentence: As a result, most of the population is clasified as mestizo, which is defined as someone who does not belongs to an indigeous group, this criteria results in a much lower number of black and amerindian population.
Split into simpler sentences: As a result, most of the population is clasified as mestizo, which is defined as someone who does not belong to an indigenous group. This criteria results in a much lower number of black and Amerindian population.