It depends, these groups of people are not a monolith. US federal legislation and agencies often use “Native American” or “American Indian” on signage, etc. and

It depends, these groups of people are not a monolith. US federal legislation and agencies often use “Native American” or “American Indian” on signage, etc. and some groups use similar, others don’t. I have found “indigenous” to be the most widely-accepted contemporary moniker.