Americans in South Africa

U.S. taxes for Americans in South Africa: what to file, and how to catch up.

Cape Town and Johannesburg draw American professionals, retirees and families with South African roots, and all of them still file a U.S. return every year. South African tax usually covers the U.S. bill on wages. The details to get right are retirement funds, tax-free savings accounts and a tax year that runs March to February. Most people who fell behind can catch up under the Streamlined procedures, with no penalty if they qualify.

Reviewed by Lewis Grunfeld, CPA

Get help from South Africa

South African tax year1 March – end of February

SARS filing seasonJuly to October

Usual U.S. toolForeign tax credit

FATCA dataShared by SARS

Tax treatyYes

Sound familiar?

You moved to Cape Town and work remotely for a U.S. company.
You pay into a retirement annuity or your employer’s pension fund.
You took money out of your savings pot under the two-pot system.
Your South African bank asked about your U.S. citizenship.

How does the IRS treat South African retirement funds and savings?

Every one of these goes on your FBAR. What differs is how the IRS taxes them.

Account	U.S. treatment
Pension and provident funds, retirement annuities	Could be taxable for the U.S. as they grow, or only when paid out, and the rules don’t settle which. The treaty’s pension rules mostly help people moving between the two countries.	Check first
Two-pot savings withdrawals	Taxed in South Africa when you take them out, and usually taxable for the U.S. too, at least in part, with a credit for the South African tax.	Taxable
Tax-free savings account	Tax-free in South Africa, not for the U.S. Unit trusts and ETFs inside are usually PFICs.	Watch out
Unit trusts	Usually PFICs (Form 8621), with complex reporting and tax rules.	Watch out
Bank accounts and fixed deposits	Interest is taxable for the U.S., and the accounts count toward your FBAR total.	Taxable
Selling your home	South Africa exempts part of the gain on a primary home; the U.S. excludes $250,000 ($500,000 for couples), measured in dollars, so rand moves change the gain.	Plan ahead

Which South African investments are PFICs?

Unit trusts (collective investment schemes), JSE-listed ETFs, and the funds inside tax-free savings accounts and many retirement annuities. For U.S. tax they’re passive foreign investment companies, or PFICs.

Each fund needs its own Form 8621 in most years, and gains can be taxed at the top U.S. rate plus an interest charge, unless an election was made in time.
A tax-free savings account is the classic trap: no South African tax at all, so the U.S. PFIC tax is paid in full.
Not PFICs: shares of individual companies on the JSE, government retail bonds, fixed deposits and bank accounts.

What does the U.S.–South Africa tax treaty actually say?

The treaty was signed in 1997 and took effect in 1998. For Americans living in South Africa, these parts matter most:

The saving clause. The U.S. can tax its citizens as if the treaty didn’t exist, except for the provisions the treaty lists.
U.S. Social Security. The U.S. taxes it as usual, and South Africa can’t.
Relief from double tax. The U.S. gives a credit for South African income tax on the same income, matched across the different tax years.
Retirement funds. The treaty doesn’t clearly defer U.S. tax on South African funds for U.S. citizens living there, which is why they need checking.

There’s no U.S.–South Africa social security agreement, so a self-employed American generally owes U.S. self-employment tax. Read the U.S.–South Africa tax treaty on IRS.gov.

Two South African tax years, one U.S. return

U.S. returns run January to December, and the South African tax year runs 1 March to the end of February. So each U.S. return covers part of two South African tax years, and we work out which income and which tax belong to which U.S. year, using your IRP5s and SARS assessments.

One U.S. year, two South African tax years

U.S. tax year: January to DecemberSA year to FebruarySA year from March

Two months of each U.S. year fall in one South African tax year, and ten in the next.

	South Africa	United States
Tax year	1 March to the end of February	January to December
Annual return	Filing season from July to around late October; provisional taxpayers have until January	April 15, moved to June 15 automatically when you live abroad, or October 15 with an extension
Paying the tax	PAYE from your salary, or provisional tax in installments	April 15, even if you file later
Foreign accounts	Foreign income and assets go on the SARS return	The FBAR, due October 15, filed online

Foreign tax credit or exclusion: which wins in South Africa?

Employees paying South African rates that climb to 45% usually do best with the foreign tax credit.
Remote workers for U.S. companies are taxed by South Africa as residents too, so the credit often works for them as well; the foreign earned income exclusion, up to $130,000 for 2025, can be simpler at lower incomes.
Families with children often keep the credit, because it allows the refundable part of the U.S. child tax credit, up to $1,700 per child for 2025.
Tax-free savings accounts have no South African tax to credit, so their U.S. tax is paid in full.

We run your returns both ways before choosing. How we compare the exclusion and the credit.

A worked example: a remote worker in Cape Town

Jess moved to Cape Town in 2019 and works remotely for a U.S. software company. She pays into a retirement annuity, holds two ETFs in a tax-free savings account, and took a withdrawal from her savings pot in 2024. She hasn’t filed a U.S. return since moving.

Item	How it’s handled
Salary	Taxed by South Africa as a resident. For the U.S., we compare the credit and the exclusion; her U.S. employer still withholds Social Security.
Retirement annuity	On the FBAR. How its growth is treated is unsettled, so we explain the options before filing.
Savings pot withdrawal	Taxable for the U.S., at least in part, with a credit for the South African tax on it.
Tax-free savings ETFs	PFICs: a Form 8621 for each, in each year filed.
Catching up	Three years of returns and six FBARs under the Streamlined procedures, with no penalty if she qualifies.

Catching up from South Africa

Most Americans in South Africa who fell behind without meaning to can catch up under the Streamlined Foreign Offshore Procedures: three years of returns, six years of FBARs and, if you qualify, no penalties. If only FBARs are missing, or you’ve moved back to the U.S., another route may fit better. See every IRS catch-up option for expats, compared.

Common questions

Do I pay U.S. Social Security tax in South Africa?

Usually not if you work for a local employer. There’s no U.S.-South Africa social security agreement, though, so self-employment tax can still apply if you work for yourself, and FICA if you work for a U.S. company.

Will the U.S. tax my U.S. Social Security in South Africa?

The U.S. taxes it as usual. Under the treaty, South Africa can’t.

How do you handle the March tax year?

U.S. returns use the calendar year, so we split your South African income and tax between the two U.S. years, using your IRP5s and SARS assessments.

Is my tax-free savings account tax-free for the U.S.?

No. It’s tax-free in South Africa only. Income and gains inside are taxable for the U.S., and unit trusts and ETFs inside are usually PFICs.

I took a two-pot withdrawal. Is it taxable in the U.S.?

Usually, at least in part. South Africa taxes it when you take it out, and that tax can be credited against the U.S. tax on it.

How do you handle rand amounts?

We convert using the correct IRS exchange rates for each year and account. It’s routine for us.