Conversation so far:
Who is indigenous to Guatemala?
Guatemala has one of the largest Indigenous populations in Central America, with approximately 39.3% of the population considering themselves Indigenous.
Are there any other interesting aspects about this article?
The Indigenous demographic portion of Guatemala's population consists of majority Mayan groups and one Non-Mayan group.
Was there a particular tribe that takes up more?
CANNOTANSWER.
When did they settle there?
CANNOTANSWER.
Can you tell me more about the people of this region?
The Non-Mayan group consists of the Xinca who are another set of Indigenous people making up 0.5% of the population.

Question: What made up the other part?
Self-contained rewrite: What made up the other part of the Indigenous Guatemalan population, aside from the Xinca?