Your Social Security check in Ireland: taxed once, and where.
The US-Ireland treaty gives Social Security a rule of its own, one that even overrides the IRS’s claim on its citizens. Pensions and IRAs follow a different rule, and the remittance basis adds a catch to both.
Your check arrives in Ireland
The Social Security Administration pays benefits to Americans living in Ireland: Ireland is on neither of the lists of countries where payments are barred or restricted. The two countries have also had a totalization agreement since September 1, 1993, which coordinates contributions for people who worked in both. Benefits, estimates and totalization are explained under US Social Security benefits.
Social Security: Ireland taxes it
Article 18(1)(b) of the US-Ireland treaty says that social security payments made by one country to a resident of the other “shall be taxable only in that other State”. For you as a resident of Ireland, that is Ireland.
Normally the saving clause would let the US tax its citizens anyway. Here it does not: Article 1(5)(a) lists paragraph 1(b) of Article 18 among the exceptions. The US Treasury’s Technical Explanation spells out the purpose, which is to deny the United States “the right to tax its citizens that are residents of Ireland on U.S. social security benefits”. A US citizen living in Ireland pays tax on Social Security in Ireland only.
Pensions and IRAs: the US keeps its claim
Private pensions fall under Article 18(1)(a), and that paragraph is missing from the saving-clause exceptions. So the United States keeps taxing its citizens on private pensions and IRA distributions, wherever they live. Ireland, as your country of residence, taxes them too (on the remittance basis, the part you bring into Ireland), and the double charge is relieved through foreign tax credits rather than by giving the income to one country alone. How much of your Irish tax the US credit absorbs depends on the type of payment and on the year, so this is the part of a retiree’s plan to model before the move.
The remittance catch
If Revenue accepts that you are not domiciled in Ireland, Ireland taxes your foreign income only when you bring it into Ireland. It is tempting to leave the Social Security check in a US account and expect it to escape tax altogether. The treaty closes that door. Article 24(6) says that where Ireland taxes on the remittance basis, treaty relief applies “only to so much of the income or gains as is remitted to or received in” Ireland.
Social Security left in a US account is not protected from US tax under the remittance basis. The part you bring to Ireland is taxed in Ireland and keeps the treaty’s protection; the part you leave in the US loses it, and the IRS can tax it. Where your benefits are paid is therefore a planning decision in its own right. Our page on US taxes while living in Ireland shows how it fits the rest of your plan.
The three rules side by side
| Income | Treaty rule | Who taxes it |
|---|---|---|
| Social Security paid into Ireland | Article 18(1)(b), excepted from the saving clause by Article 1(5)(a) | Ireland only |
| Social Security left in a US account, on the remittance basis | Article 24(6): relief only for what reaches Ireland | The US can tax it |
| Private pensions and IRAs | Article 18(1)(a), not excepted from the saving clause | The US keeps taxing; Ireland taxes as well, with credits |
Source: Convention between the United States and Ireland, 1997, Articles 1, 18 and 24, and the US Treasury Technical Explanation, irs.gov. Retrieved 9 November 2026.
Social Security is also exactly what the yearly cost-of-living adjustment moves; The Brief looks at what that raise means abroad in a dollar raise for a life abroad.
More for Americans moving to Ireland
Your retirement income, placed before you move
Relocation USA to Ireland sets out the treaty position of your Social Security and pensions, plans which money goes where, and registers you in Ireland. $7,500 per household.