A British pension, an American return, and one treaty paragraph

It is a benefit paid by the British government, based on your National Insurance record rather than on any fund. Nobody invests anything on your behalf. The record itself is the entitlement.

The full new State Pension is £241.30 a week.

The GOV.UK page on the new State Pension sets out the current rate.

Thirty-five qualifying years for the full rate, where your record started after April 2016, and ten years as the minimum to receive anything at all. Between those two figures you get a proportion, so a partial record still produces a partial pension.

People contracted out before 2016 often need more than thirty-five.

So check the forecast rather than counting years yourself. You can request one from the GOV.UK State Pension forecast service.

America alone, under the treaty. Article 17 says payments made by one country under its social security legislation to a resident of the other country are taxable only in that other country. A British payment to an American resident therefore falls to the American side.

Britain should not be taxing it in that situation.

The IRS page for the UK treaty documents links the convention.

It does, and that is what makes the paragraph worth knowing. The saving clause lets each country tax its own citizens and residents as though the treaty did not exist, and a short carve-out preserves certain provisions. The social security paragraph is on that list.

So an American citizen living in America can rely on it.

Most pension paragraphs do not get the same treatment.

Both countries, because the helpful paragraph stops applying. It only allocates taxing rights where the payment goes to a resident of the other country, and a British resident receiving a British pension is not that person. Britain taxes it domestically instead.

America then taxes its citizen under the saving clause.

Relief comes through credits under the article on double taxation, which also survives the saving clause.

So the treaty paragraph everybody quotes does nothing for the largest group of people who read about it.

Not at source. The payment arrives gross, and HMRC collects the tax either by adjusting a tax code on your other income or through Self Assessment. That surprises people who expect it to arrive net.

A first year of retirement often produces an unexpected bill for exactly this reason.

So set the money aside rather than treating the gross figure as spendable.

At State Pension age, which depends on when you were born and has risen over time. Reaching that age does not start the payments automatically, because you have to claim, and a claim made late can be backdated only so far.

Deferring increases the eventual amount, which suits people still working.

Check your own date rather than borrowing a friend's, since the rules changed mid-cohort more than once.

Deferral also interacts with the American side, because a deferred pension still leaves you reporting whatever you do receive. Model the two together rather than in sequence.

No, and this is a common and expensive assumption. The foreign earned income exclusion applies to earned income, meaning wages and self-employment profit from personal services. A state pension is neither, whatever you did to build the record behind it.

Foreign tax credits are the relief that applies instead.

So a retired client with no wages has no exclusion to use at all.

It used to, and that changed. The windfall elimination provision reduced American benefits for people who also received a pension from work not covered by American social security, and a British state pension was exactly such a pension.

The Social Security Fairness Act of 2023 repealed it, along with the government pension offset.

The repeal applies to monthly benefits payable for months after December 2023.

Plenty of older guidance still describes the reduction as current. Check the date on anything you read about it.

Often yes, and few decisions open to a part-career worker in Britain offer better value. Voluntary contributions can fill missing years, though conditions govern which years stay open and which class you may pay.

Deadlines apply, and they have moved more than once.

The GOV.UK page on voluntary contributions sets out the conditions.

It helps with entitlement rather than with tax, which is a distinction worth holding onto. The agreement lets contributions in one country count towards qualifying for a benefit in the other, so a short British record still counts for something.

It does not change who taxes the payment once it starts.

We cover the mechanics in the totalisation agreement.

It also decides which country's social charges you pay while still working. That is a separate question from the pension you eventually draw.

It can, and the answer depends on which country you move to. Annual uprating continues in some countries and not in others, which means two people with identical records can end up with different pensions purely because of where they settled.

The United States is a country where increases do continue.

So confirm the position for any country you are considering, not just the one you are in.

It runs on its own track, with its own credits, its own claiming ages and its own agency. Working in both countries usually produces two separate entitlements rather than one combined figure, and each follows the rules of the country that pays it.

You claim each one from its own agency.

Our clients often assume somebody coordinates the two. Nobody does.

No, and mixing the two is the most common error we correct here. A workplace or personal pension falls under a different paragraph of the same article, with a different allocation and a different fate under the saving clause.

So a retiree with both needs two separate analyses in the same year.

Treat the state pension and the private pot as different animals, however similar the monthly payments look.

As pension income on your return, converted to dollars using a consistent method across the year. It is not American social security, so it does not go in the box designed for that, and treating it as though it were produces the wrong result.

Keep the annual uprating letter as your evidence.

Where you have paid British tax on it, the credit claim follows.

Consistency across years matters more than precision in any one of them. A UK State Pension reported one way in 2025 and another way in 2026 invites a question neither country needs to ask.

Take these in order, ideally several years before you claim anything.

Keep your National Insurance number, every annual uprating letter and each forecast you obtain along the way. Add the payment schedule and a note of the exchange rate convention you use for American reporting, because both tax authorities will eventually ask you to show your working on one of them.

Those documents answer almost every question either tax authority can raise.

Keep them somewhere your executor can find them, because a state pension stops at death and the paperwork rarely does.

Take an American who worked in Britain for twelve years and retired to Florida. Her British record gives her a partial pension, which the treaty allocates to America alone because she lives there.

Britain should not tax it, and she reports it as pension income on her American return.

Had she retired to Bath instead, both countries would tax it and she would claim credit relief. This example is illustrative rather than advice, and her own record would decide the figures.

Notice the single fact doing the work. Her nationality changes nothing here, and her address changes everything.

It generally stops, because a state pension is an entitlement rather than a pot of money. Limited inherited amounts can pass to a spouse in particular cases, and those depend on when the record was built and under which system.

There is no fund to leave to children.

So do not plan an estate around it, and tell whoever handles your affairs that the payments end.

First, assuming the exclusion covers it because it feels like a reward for working.

Second, reporting it as American social security on the American return.

Third, expecting Britain to deduct tax before paying it.

Fourth, relying on old articles about the windfall elimination provision, which no longer applies to benefits payable after December 2023.

We check the record, the forecast and the residence position together, because the three decide both the entitlement and the tax. Where voluntary contributions still help, we say so while the window remains open.

The work sits alongside our treaty relief service, and our note on National Insurance for Americans covers the contributions themselves.

This article is general information, not personal tax advice. Talk to us about your own record.