183 days
Technically, you could spend more than 183 days in the US over a three-year period and still avoid becoming a tax resident. This is because the 183-day limit does not give equal value to the days from each year.

How long does a citizen have to stay abroad before being classified as a non-resident?

The liability of aliens for Philippines tax is determined by their residence status. Generally an alien who is present in the Philippines for at least 2 years is a resident alien. An alien who stays in the Philippines for less than 2 years is considered a non-resident alien.

Who is considered a non-resident alien for tax reasons?

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 non permanent resident become a tax resident?

While they are not permanent residents, many of these folks could become tax residents of the United States if they spend a certain amount of time in the country each year. The test to determine whether or not they have reached that threshold is called the Substantial Presence Test.

Can a non-US citizen stay in the US for 183 days?

The IRS considers these folks nonresidents for tax purposes – or, tax nonresidents. Like the exclusions to the 183-day rule discussed above, the US offers exemptions for many qualifying individuals that essentially allows them to stay in the US for a period longer than 183 days.

How long does a nonresident alien have to stay in the US?

BREAKING DOWN ‘Nonresident Alien’. To pass, the individual must stay in the United States for more than 31 days in any given current year. They may also be classified as a resident alien if they resided in the U.S. for more than 183 days over a three-year period, which includes the current year.