One out of every four Bolivians belongs to the Aymara ethnic group. The Aymaras are one of the major indigenous groups in Bolivia, primarily living on the high plateau of the departments of La Paz, Oruro, and Potosí

. They make up about 15.89% of the population according to the 2012 census, which is close to one-quarter of the population when combined with other indigenous groups

. The other options-Dakotans and Orioles-are not ethnic groups native to Bolivia, and "massafuertes" does not correspond to a known ethnic group in Bolivia.