Ireland is notable among European countries for having no general capital gains tax exit charge on departure — unlike France's impôt de sortie, Germany's Wegzugsteuer, or Australia's CGT Event I1, Irish residents can leave without a deemed disposal of their worldwide assets. This makes Ireland particularly tax-efficient for entrepreneurs and investors considering departure. However, Ireland has two significant anti-avoidance provisions that affect departing residents: the 5-year temporary non-residence rule and the domicile levy for high-net-worth individuals. Understanding these rules — particularly the distinction between Irish 'tax residence' and Irish 'domicile' — is critical for anyone planning to leave Ireland permanently.
Ireland-to-USA migration is one of the oldest and largest migration corridors in history, with significant recent flows of tech workers from Dublin to San Francisco, New York, and Boston. Key planning points:
No exit tax — plan your share sales carefully: Because Ireland has no exit tax, if you are leaving Ireland with unvested RSUs, options, or privately held company shares, you are NOT immediately liable for Irish CGT on departure. If you can time the actual sale of assets to occur while you are Irish-resident (before departure), you use the Irish CGT rates (33%) which may be lower than US rates. If you depart first and sell as a US resident, the entire gain is US-taxable, potentially at up to 23.8% (federal LTCG plus NIIT) plus state — which may be lower than Ireland's 33%. The optimal timing depends on your specific asset, holding period, and US state of residence.
Ireland-USA DTA: The 1997 Ireland-USA DTA governs double taxation. Key: Irish-source income (rental, dividends from Irish companies) taxable in Ireland; US resident claims Foreign Tax Credit. Tiebreaker determines primary residency. The DTA has a 'saving clause' — the USA taxes its citizens and residents on worldwide income regardless.
Domicile change for Irish-born professionals: Irish-born tech workers moving permanently to the USA should consider formally establishing a US domicile of choice to eliminate the domicile levy exposure on any significant Irish assets retained. This requires demonstrating an intention to reside permanently in the USA — consult an Irish solicitor.
Irish pension: Irish occupational pensions (via employer pension schemes regulated by the Pensions Authority) remain preserved on departure. Eligible for payment from pension age — contact your scheme administrator. Irish State Contributory Pension (OAP): payable internationally; based on PRSI contributions. Contact the DSP (Department of Social Protection) before departure to request a contribution statement.
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