A green card serves as proof of permanent residency in the United States, allowing legal work and living. However, it is not necessary for travel abroad.
People Also Ask
International TravelRemaining outside the United States for more than one year may result in a loss of Lawful Permanent Resident status.
A: No, you cannot travel abroad without a physical green card or a valid travel document such as an Advance Parole document. While your green card application may have been approved, you still need the actual green card in hand in order to re-enter the United States after traveling abroad.