Your benefit outlives your passport: Social Security after renouncing

Figures relate to tax year 2026 (US) · 2026-27 (UK)

You keep your Social Security after renouncing, as long as you earned the credits and you live in Britain. The benefit belongs to your work record, not to your passport. So the Social Security Administration (SSA) keeps paying a former citizen with a UK address.

What changes is the paperwork. You become a nonresident alien, so the default rule is a flat US withholding of 25.5% on every payment. But UK residents are exempt from that charge under the tax treaty. Britain taxes the benefit instead, as foreign pension income.

This guide is for Americans in Britain who are about to renounce, or who already have. It covers the payment rules, the withholding, the forms and the British tax position. It uses figures for 2026 in the US and 2026-27 in the UK.

Key takeaways

• Social Security after renouncing still pays out if you live in the UK, because the UK is a social security agreement country.
• A nonresident alien normally loses 25.5% of each payment: a 30% tax on 85% of the benefit.
• UK residents are exempt from that tax under the US-UK tax treaty, according to IRS Publication 915.
• You receive Form SSA-1042S instead of Form SSA-1099 once you are a nonresident alien.
• HMRC taxes the full benefit as foreign pension income, with no 10% deduction since April 2017.
• The exit tax does not treat Social Security as a deferred compensation item.
• Medicare does not follow you to Britain, before or after you renounce.

Do Social Security payments stop when you renounce?

No, not for someone who lives in Britain. Citizenship is not a condition of being paid. The SSA pays non-citizens who earned enough credits, and a former American is simply a non-citizen with a US work record. What matters next is where you live, because the SSA applies residence rules to non-citizens abroad.

Under the alien nonpayment provision, payments to a non-citizen usually stop after six full calendar months outside the United States. However, there are exceptions, and residents of a country with a US social security agreement fall within one. The United Kingdom has had such an agreement with the United States since 1985.

So if you renounce while living in London, Leeds or Belfast, your Social Security after renouncing carries on at the same amount. Your record, your benefit formula and your cost-of-living increases do not change. Only your tax status changes, and that affects how the payment is taxed rather than whether it arrives.

Why does a UK address keep the payments flowing?

Because the US-UK social security agreement switches off the American residence restrictions for people who live in the UK. SSA guidance on that agreement says the six-month suspension rule does not apply to UK residents drawing retirement, survivors or disability benefits. Most renouncers here are also British citizens, which helps further.

In practice, the agreement protects you as a UK resident, not as a British national. That distinction matters later if you retire somewhere else. If you move from Britain to a country that has no agreement and no treaty, a different set of rules applies, and payments could stop or be taxed.

The SSA also keeps checking where you live. It sends questionnaires to beneficiaries abroad from time to time, and a missed questionnaire can pause payments. So answer each one promptly, and keep your UK address up to date on your SSA record.

What is the 25.5% nonresident alien withholding?

It is the default US tax on Social Security paid to someone who is neither a citizen nor a US resident. According to IRS Publication 915, 85% of the benefit is taxed at a flat 30%. That works out at 25.5% of the gross payment, withheld by the SSA before the money reaches you.

The rate is flat. It ignores your other income, your age and any deductions. For example, take an illustrative monthly benefit of $2,000 in 2026:

1. Taxable portion: 85% of $2,000 is $1,700.
2. Tax at 30%: 30% of $1,700 is $510.
3. Net monthly payment if the withholding applied: $2,000 minus $510 is $1,490.
4. Annual cost: $510 times 12 is $6,120 a year.
5. For a UK resident claiming the treaty, the withholding on Social Security after renouncing should be $0.

That $6,120 is the figure at stake if your record is wrong. Because the withholding is automatic, the SSA applies it unless it knows you qualify for the treaty. So the real risk for a renouncer is administrative, not legal.

Are UK residents exempt from that withholding?

Yes. IRS Publication 915 lists the United Kingdom among the countries whose residents are exempt from US tax on Social Security under a tax treaty. The list also includes Canada, Germany, Ireland and Japan. So a former citizen living in Britain should see no US tax taken from the benefit.

The treaty basis is Article 17(3) of the 2001 US-UK convention. HMRC's double taxation manual describes it as giving exclusive residence-country taxation of social security benefits. In other words, the country you live in taxes the benefit, and the paying country does not. You can read that note in HMRC's guidance on the US treaty (opens in a new tab).

Here is a point many people miss. Publication 915 also lists the UK for US citizens living abroad. So while you were still American and living here, the US already did not tax your Social Security. Renouncing therefore changes the forms and the withholding mechanics, but not who taxes the money.

How do you tell the SSA that your status has changed?

You report the loss of citizenship and confirm your UK residence, so the SSA can treat you as a nonresident alien who qualifies for the treaty. Use the Federal Benefits Unit that serves the UK, which sits within the US Embassy in London. Keep a copy of everything you send.

1. Wait for your Certificate of Loss of Nationality, as it fixes your expatriation date.
2. Contact the Federal Benefits Unit for the UK and report that you are no longer a US citizen.
3. Give your full UK residential address, not a US mailing address or a bank address.
4. Ask the SSA to confirm in writing that it treats you as a UK resident for treaty purposes.
5. Check the first payment after the change to be sure nothing was withheld.
6. Check the Form SSA-1042S you receive in January, and query any withholding at once.

Next, keep your US address details clean. If the SSA holds a US mailing address for you, it may assume you live there. That can produce the wrong tax treatment in either direction, so make sure the address on file is your British home.

Which tax form arrives once you are a nonresident alien?

Form SSA-1042S replaces Form SSA-1099. IRS Publication 915 says nonresident aliens receive the 1042S version, which shows the benefit paid, the tax rate applied and the tax withheld. For a UK resident claiming the treaty, the withholding box should show nothing. If it shows tax, act quickly.

Also note that a former citizen generally has no annual Form 1040 to file. Your final full American return covers the year you renounce. After that, a US return is usually needed only for US-source income that the treaty or withholding does not settle, so check before you assume.

If the SSA withheld tax in error, the fix is to correct your record and then claim the money back. You may need a US nonresident return to recover tax already taken. So it pays to get the record right before the first payment after renunciation.

What happens in the year you actually renounce?

That year is split. You are a citizen until your expatriation date and a nonresident alien afterwards. Benefits received before the date belong on your final citizen return. Payments after it fall under the nonresident rules, so you may receive more than one benefit statement for that single year.

Publication 915 notes that a person can receive more than one of these statements for the same year. For a renouncer, that usually means an SSA-1099 for the citizen months and an SSA-1042S for the rest. However, the UK treaty exemption applied to you before and after, so the US tax effect is usually nil.

The British side is simpler. HMRC taxes your worldwide income as a UK resident whatever your US status. So the April to April tax year runs straight through your renunciation without any break. Our guide to US tax after renouncing covers the wider filing position in that final year.

How does Britain tax Social Security after renouncing?

As foreign pension income under section 573 of the Income Tax (Earnings and Pensions) Act 2003, which covers pensions paid from outside the UK to a UK resident. Under section 575, the full amount arising in the tax year is taxable. You report it on the foreign pages of your Self Assessment return.

Before April 2017, only 90% of a foreign pension was taxed. That deduction no longer applies, so the whole benefit counts. You can read the current wording in section 573 of ITEPA 2003 (opens in a new tab). Then convert each payment to sterling and add it to your other income.

Here is an illustrative 2026-27 calculation for a former citizen living in England. The rates come from GOV.UK income tax rates (opens in a new tab), with a personal allowance of £12,570 and a 20% basic rate.

1. US benefit: $24,000 a year, converted at an illustrative $1.30 to £1, is about £18,460.
2. Add a UK workplace pension of £10,000, giving total income of £28,460.
3. Subtract the personal allowance: £28,460 minus £12,570 leaves £15,890.
4. Tax at 20%: £15,890 times 20% is £3,178 for 2026-27.
5. No US tax applies, so there is no foreign tax credit to claim against that £3,178.

Does the exit tax reach your Social Security?

No. The exit tax applies only to covered expatriates, and even then it hits assets and deferred compensation, not Social Security. The Form 8854 instructions (opens in a new tab) define a deferred compensation item as a pension plan interest, a foreign pension, deferred pay or property received for services. Social Security does not appear there.

That makes sense in practice. Social Security is a government benefit that depends on your work record, not an account you own or a plan you hold an interest in. So there is no balance to mark to market and no present value to tax on the day before you expatriate.

Your British pensions are a different matter, and they can create a real charge for a covered expatriate. A covered expatriate is someone with net worth of $2 million or more, high average US tax, or five years of unproven compliance. Our guide to the exit tax and Form 8854 explains those tests.

What if you move from Britain to another country later?

Then the analysis starts again, because both the payment rules and the tax exemption depend on where you live. A move to another treaty country may keep the benefit untaxed in the US. However, a move to a country with no treaty could trigger the 25.5% withholding on Social Security after renouncing.

Payment continuation can change too. Outside the agreement countries, a non-citizen's payments may stop after six calendar months abroad unless another exception applies. Before you move, run the SSA's Payments Abroad Screening Tool for the new country, and check the nonresident alien screening tool for tax.

Also consider UK residence. Once you leave Britain and lose UK residence, HMRC no longer taxes the benefit. But the treaty exemption from US withholding goes with it, so the US may start taxing the same payment. Plan the move with both systems in view.

What if you have not yet earned 40 credits?

Then the US-UK totalisation agreement may still get you a benefit. Most people need 40 credits for a US retirement benefit. In 2026, one credit needs $1,890 of covered earnings, and $7,560 earns the yearly maximum of four. Renouncing does not cancel credits already on your record.

Under the agreement, the SSA can count UK National Insurance periods to help you reach eligibility. SSA guidance says you need at least six US credits for this, and that it counts one quarter for each 13 weeks of UK coverage in a year. The resulting benefit is pro-rated to reflect only your US work.

A totalised benefit is paid to a UK resident on the same terms as a regular one. So renunciation does not stop it, and the treaty exemption covers it too. For the wider picture on how the two state systems fit together, see our guide to Social Security and the UK State Pension.

What happens to Medicare after you renounce?

Very little changes in practice, because Original Medicare generally does not pay for care outside the United States. Medicare's own guidance limits overseas cover to rare cases, such as an emergency inside the US where a foreign hospital is closer. So a former citizen living in Britain relies on the NHS, just as before.

The totalisation agreement does not cover Medicare. SSA guidance says UK coverage cannot be used to establish free Medicare hospital insurance. So if you hope to retire to the US one day, your Medicare position rests on your US record and on the rules for non-citizens at that time.

If you already pay Medicare premiums, think about whether you still want that cover. Some people keep it in case they return; others stop paying for cover they cannot use in Britain. Either way, decide deliberately, because late enrolment later can carry penalties.

A worked example: a retired former citizen in Bristol

This example is illustrative. A 67-year-old dual national in Bristol renounces in 2026. She draws $2,000 a month in Social Security and owns her home and some savings, well under $2 million in total. Her US filing is up to date for the last five years.

First, she is not a covered expatriate, so no exit tax applies. Next, she reports her loss of citizenship to the Federal Benefits Unit and confirms her Bristol address. As a result, her payments continue unchanged, and the SSA applies the treaty, so no 25.5% withholding is taken.

Then she declares the $24,000 a year on her Self Assessment return as foreign pension income, just as she did before. Her British tax bill does not change at all. So renouncing cost her nothing on her benefit, provided her SSA record was updated correctly.

What are the common mistakes with Social Security after renouncing?

Most problems come from records, not rules. The SSA cannot apply the UK treaty exemption if it does not know you are a UK resident non-citizen. Equally, HMRC expects the benefit on your return whether or not you hold a US passport. These are the errors we see most often in renunciation files.

• Leaving a US mailing address on the SSA record, so the treaty is not applied.
• Not reporting the change of citizenship at all, so the forms stay wrong for years.
• Ignoring Form SSA-1042S because no US return is due, and missing wrongful withholding.
• Leaving the benefit off the UK return in the belief that the treaty makes it tax-free everywhere.
• Assuming Social Security after renouncing is part of the exit tax calculation.
• Moving to a third country without checking whether payments and the exemption survive.

Each of these can be fixed. But the earlier you catch them, the less paperwork it takes to recover withheld tax or correct a British return.

What should you settle before your embassy appointment?

Three things: your credit count, your covered expatriate status and your benefit address. Download your earnings record, check whether you have 40 credits or need the totalisation rules, and confirm your net worth and filing history. Then plan when to notify the SSA.

If you have not yet claimed, consider the timing of your claim too. A claim made after renunciation follows the same rules, but it is easier to file while your documents are fresh and your UK residence is clear. Our guide to the renunciation cost and process sets out the appointment stages.

How US UK Tax Accountants helps

We prepare the final American return, Form 8854 and the five-year certification, and we check covered status before you book. We also help you update your SSA record and report the benefit correctly to HMRC. Our expatriation and exit tax service covers the whole process.

If you draw Social Security, or expect to, and you are thinking about renouncing, contact us and we will review your position before anything is filed.

This article is general information, not personal tax advice. Renunciation cannot be undone, so take advice on your own facts before you act.

Last reviewed: 12 November 2026.