sentences:  Argentina's indigenous population in 2005 was about 600,329 (1.6% of total population); this figure includes 457,363 people who self-identified as belonging to an indigenous ethnic group, and the remaining 142,966 who recognized themselves as first-generation descendants of an Amerindian people.The ten most populous indigenous peoples are the Mapuche (113,680 people), the Kolla (70,505), the Toba (69,452) and the Guaraní (68,454).In Bolivia, a 62% majority of residents over the age of 15 self-identify as belonging to an indigenous people, while another 3.7% grew up with an indigenous mother tongue yet do not self-identify as indigenous.