Tax Tips for Resident and Non-Resident Aliens

Even if you're not an American citizen, if you live in the United States or spend a significant amount of time there, you still need to pay U.S. income tax.

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Key Takeaways

Resident or non-resident alien

The IRS uses two tests—the green card test and the substantial presence test—for assessing your alien status. If you satisfy the requirements of either one, you’re considered a resident alien for income tax purposes; otherwise, you’re treated as a non-resident alien.

If you're an alien with a green card, meaning the U.S. Citizenship and Immigration Service allows you to reside in the country legally, you are a resident alien. However, if you don’t have a green card and spend at least 31 days in the U.S. during the current tax year and a total of 183 days during the last three tax years (inclusive of the current tax year), you’ll usually satisfy the physical presence test and are also treated as a resident alien.

Counting 183 days

When counting the number of days you’re present in the U.S. during the three-year period, you don’t include every single day. Instead, count only a fraction of the days in two of the three years. Suppose, for example, you’re trying to figure out your status for the 2023 tax year because you lived in the U.S. for 60 days. You count all 60 days for 2023, one-third of the days in 2022 and one-sixth of the days in 2021. Therefore, if you were in the U.S. for 120 days in 2022 and 180 days in 2021, only include 40 days for 2022 and 30 days for 2021, with the total for the three-year period being 130 days. In this scenario, you pay income tax as a non-resident alien.

Also, do not count days when you are physically present in the US under the following circumstances:

An “exempt individual” for purposes of this test refers to the following individuals:

Still unsure if you’re a resident or non-resident for tax purposes? Check with our non-resident tax partner Sprintax who will be able to determine your residency status and prepare your non-resident return.

Resident alien taxes

As a legal U.S. resident, you’re subject to the same tax rules as U.S. citizens. This means that you must report all income you earn on annual tax returns, regardless of which country in which you earn it.

TurboTax Tip:

In the year of transition between being a nonresident and a resident for tax purposes, you are generally considered a Dual-Status Taxpayer and must file two tax returns for the year.

Non-resident taxes

A non-resident must also pay income taxes to the IRS but only on the income that’s effectively connected to the U.S., which generally includes the money you earn while in the U.S. The IRS, however, has no authority to impose tax on the income that non-residents earn in their home countries or in any foreign country for that matter.

When you prepare your U.S. tax return, you'll use Form 1040NR.

All non-resident tax return forms like 1040NR or 8843, are available with instructions on the IRS website. You can also use software like Sprintax to guide you through the non-resident tax return preparation process.

Dual-Status Taxpayer

In the year of transition between being a nonresident and a resident for tax purposes, you are generally considered a Dual-Status Taxpayer. A Dual-Status Taxpayer files two tax returns for the year—one return for the portion of the year when considered a nonresident, and another return for the portion of the year considered a resident. In some situations, a taxpayer can elect to be treated as a full-year resident in the transition year to avoid having to file two separate returns.

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