[flomo]

"American Indian" is the term used by the US government on the census form, so it likely is used in many other surveys that use a similar format. (I don't know how broadly it is seen as an offensive or incorrect term.)

http://www.census.gov/acs/www/Downloads/questionnaires/2014/...

[wooster]

Wikipedia has a fairly good page on the issue: http://en.wikipedia.org/wiki/Native_American_name_controvers...