| Naturalizations in 2005 | |||
| Country | # | % of nat. | |
| 1 | Mexico | 77,089 | 12.8% |
| 2 | Philippines | 36,673 | 6.1% |
| 3 | India | 35,962 | 6.0% |
| 4 | Vietnam | 32,926 | 5.4% |
| 5 | China, People's Republic | 31,708 | 5.2% |
| 6 | Dominican Republic | 20,831 | 3.4% |
| 7 | Korea | 19,223 | 3.2% |
| 8 | Jamaica | 13,674 | 2.3% |
| 9 | El Salvador | 12,174 | 2.0% |
| 10 | Colombia | 11,396 | 1.9% |
| 11 | Cuba | 11,227 | 1.9% |
| 302,883 | 50.1% |