| Major Regions | Relative participation of indigenous self-reported resident population, by domicile situation, considering the Major Regions (in percentage) | ||||||||
| Total | Urban | Rural | |||||||
| 1991 | 2000 | 2010 | 1991 | 2000 | 2010 | 1991 | 2000 | 2010 | |
| North | 42.4 % | 29.1% | 37.4% | 16.8% | 12.1% | 19.5% | 50.5% | 47.6% | 48.6% |
| Northeast | 19.0% | 23.2% | 25.5% | 22.5% | 27.6% | 33.7% | 17.9% | 18.4% | 20.4% |
| Southeast | 10.4% | 22.0% | 12.0% | 35.4% | 36.7% | 25.1% | 2.5% | 5.9% | 3.7% |
| South | 10.3% | 11.5% | 9.2% | 14.3% | 13.6% | 10.8% | 9.0% | 9.3% | 8.1% |
| Midwest | 17.9% | 14.2% | 16.0% | 11.0% | 10.0% | 10.9% | 20.1% | 18.8% | 19.1% |