@fkhalilz IRS Publication 501, Dependents, Standard Deduction, and Filing Information page 12 - https://www.irs.gov/pub/irs-pdf/p501.pdf#page=12
Citizen or Resident Test
You generally can't claim a person as a dependent unless that person is a U.S. citizen, a U.S. resident alien, a U.S. national, or a resident of Canada or Mexico.
