Naturalization | Naturalization Service Thailand

Naturalization is the final procedure to become a US citizen enabling such person to apply for a US passport. The following persons qualify to apply for naturalization:

  • Foreign national with 5 years permanent residence in the US and at least half of the time the applicant was physically inside the US with no periods of absence over six months; and
  • Permanent resident for 3 years, who is married to a US citizen for the past three years and at least half of the time the applicant was physically inside the US with no periods of absence over six months.