Vietnam offers a range of visa categories for foreign nationals seeking to visit, work, study, invest or reside in the country. Visa requirements vary according to nationality, purpose of stay and intended duration of residence. Long-term residence options are generally linked to employment, investment, family relationships, business activities or other approved purposes under Vietnamese immigration law. Foreign nationals intending to remain in Vietnam for extended periods should ensure they obtain the appropriate visa and any required residence documentation. Immigration policies may change periodically, and applicants should confirm the current requirements before applying.