Are nonresident aliens illegal?
Sarah Duran
Published Apr 09, 2026
Generally, illegal aliens are considered nonresidents, but there are exceptions, as discussed below. A resident alien will be treated as a U.S. citizen for tax purposes, while a nonresident alien is neither a citizen of the United States nor a resident alien.
How long can a non-resident alien stay in the Philippines?
2 years
Liability for income tax An alien who stays in the Philippines for less than 2 years is considered a non-resident alien.
An alien is any individual who is not a U.S. citizen or U.S. national. Although the immigration laws of the United States refer to aliens as immigrants, nonimmigrants, and undocumented (illegal) aliens, the tax laws of the United States refer only to Nonresident Alien (NRA) and Resident Alien (RA).
What is a non-resident alien in the US?
An alien is any individual who is not a U.S. citizen or U.S. national. A nonresident alien is an alien who has not passed the green card test or the substantial presence test.
Can a nonresident alien be a resident alien?
In some cases, aliens are allowed to make elections which override the green card test and the substantial presence test, as follows: You can be both a nonresident alien and a resident alien during the same tax year. This usually occurs in the year you arrive or depart from the United States.
How do you know if you are an alien?
If you are an alien (not a U.S. citizen), you are considered a nonresident alien unless you meet one of two tests. You are a resident alien of the United States for tax purposes if you meet either the green card test or the substantial presence test for the calendar year…
How long have you been in the US as an alien?
Example 1. Your alien (non-US citizen) client has been in the United States for 120 days in each of the last 3 years (2018, 2017, 2016). To calculate his or her filing status (resident vs. nonresident alien) for 2018, first verify if they were in the United States in 2018 for more than 31 days. Yes, in this case.
What should be included in a nonresident alien tax return?
It should contain the following information: A declaration that one spouse was a nonresident alien and the other spouse a U.S. citizen or resident alien on the last day of your tax year, and that you choose to be treated as U.S. residents for the entire tax year The name, address, and identification number of each spouse.