US Expat Tax in Switzerland (2026)
Americans working in Switzerland still owe US tax on worldwide income. This guide covers the Foreign Earned Income Exclusion ($132,900 for 2026), the Foreign Tax Credit (Form 1116), housing exclusion, and Self-Employment tax — with a $160,000 worked example.
FEIE vs Foreign Tax Credit in Switzerland
Switzerland's combined marginal rate varies hugely by canton — Geneva or Basel expats usually benefit from FTC, while Zug or Schwyz residents at lower income may find FEIE simpler because Swiss tax is closer to US effective rate. Always model both. Swiss Pillar 2 and Pillar 3a pensions require careful US treatment; the treaty partially recognizes them but not automatically.
Key facts: US & Switzerland
Tax treaty
Yes — US/Swiss treaty in force since 1996 (2019 protocol)
Totalization
Yes — since 1980; AHV coverage exempts SS via Certificate
Local top rate
Federal 11.5% + cantonal/communal (combined 22–45%)
High-cost housing cities
Geneva, Zurich, Bern listed in IRS Notice (among highest globally)
Worked example — $160,000 salary (2026)
Single filer, full qualifying year (330+ day physical-presence test), standard deduction, no self-employment income. Numbers are federal only — add local Switzerland tax separately.
Gross salary
$160,000
FEIE exclusion
$132,900
2026 limit $132,900
US federal tax with FEIE
$2,640
After stacking rule
FEIE tax saving
$24,494
vs no exclusion
Run your own numbers on the Foreign Earned Income Exclusion calculator — add housing, adjust qualifying days, toggle self-employment.
Switzerland income tax (for context)
Swiss income tax stacks three levels: federal (progressive top 11.5% above CHF 783,000 single for 2025), cantonal (varies hugely — Zug ~8% top, Geneva ~19% top), and communal (percentage add-on to cantonal). Combined top marginal rates range from ~22% (Zug) to ~45% (Geneva). Canton choice has larger tax impact than in most countries.
Foreign Housing Exclusion — Geneva / Zurich
The default housing exclusion cap is 14% of the FEIE limit ($18,606 for 2026), after subtracting the 16% base amount. Geneva and Zurich are listed in the IRS annual high-cost city notice, which allows a higher per-city cap. Use the current year's notice (IRS Notice 2025-series) for the specific per-city dollar limit — these numbers change annually.
Frequently asked questions
Should I use FEIE or FTC in Switzerland?
It depends heavily on canton. In Geneva, Vaud, or Basel (combined rates 40%+), the Foreign Tax Credit usually beats the FEIE above modest salaries. In low-tax cantons like Zug, Schwyz, or Nidwalden, the FEIE can still win at moderate salaries because Swiss tax may be lower than US tax on the same income. Model both, and re-check after any canton move — the break-even shifts.
Do I pay US Social Security on Swiss income?
Usually no. The US-Switzerland Totalization Agreement (in force since 1980) means AHV coverage in Switzerland generally exempts you from US Social Security and Medicare on the same earnings. Request a Certificate of Coverage from the Swiss Compensation Office (for AHV coverage) or the SSA (for US coverage).
How are Pillar 2 and Pillar 3a pensions taxed by the US?
Mandatory Pillar 2 (occupational pension / BVG / LPP) contributions may be treated similar to a qualified plan under Article 28 of the US-Swiss treaty — employer contributions are generally not currently taxable and employee contributions may be deductible. Pillar 3a is tax-deferred in Switzerland but not automatically in the US; growth inside Pillar 3a funds is typically US-taxable annually, and many 3a mutual funds are PFICs. Disclose treaty positions on Form 8833.
Does Geneva or Zurich qualify for a higher foreign housing exclusion?
Yes. Geneva, Zurich, and Bern all appear on the IRS annual high-cost city table with some of the highest per-city limits globally. Swiss rents regularly exceed the default 14%-of-FEIE housing cap, so use the city-specific limit from the current year's IRS notice on Form 2555.
Does the treaty cover withholding tax on Swiss dividends?
Yes. The US-Swiss treaty caps Swiss withholding tax on dividends paid to US residents at 15% (5% for 10%+ corporate shareholders). Swiss default withholding is 35%; reclaim the excess via Form 81 with the Swiss Federal Tax Administration. Keep the reclaim timeline in mind — you must file within 3 years.
Sources
Related Calculators
Foreign Earned Income Exclusion
Form 2555 FEIE limit, housing exclusion, and qualifying tests.
Self-Employment Tax
Calculate SE tax on 1099 and freelance income.
Quarterly Estimated Tax
Calculate quarterly payments for self-employed income.
Federal Income Tax
Calculate your federal income tax by filing status.