Legally moving to Ireland in 2026 typically requires a long-stay "D" visa or a specific residency permission based on your status. EU/EEA and Swiss citizens have a right to move, work, and live in Ireland with minimal bureaucracy. For non-EU citizens, the most common route is the Critical Skills Employment Permit, which targets highly skilled professionals in sectors like ICT, engineering, and healthcare. Alternatively, you can move as a student (though this is temporary), as an entrepreneur through the STEP program, or via Family Reunification if you have an immediate relative who is an Irish or EU citizen. For those with Irish heritage, the Foreign Births Register allows you to claim citizenship through a grandparent. Most residency stamps (like Stamp 1 or Stamp 4) require five years of "reckonable residence" to apply for permanent residency or naturalization, provided you meet the "good character" and financial stability requirements of the Irish naturalization process.