International Tax FAQ
Cross-jurisdictional answers to the questions readers actually ask — not generic tax-blog copy. Each topic page links to the country pages where the rules play out.
Territorial Tax Systems
Territorial tax systems tax only income earned inside the country. Foreign-source income — capital gains, dividends, business income generated abroad — is typically exempt or only taxed when remitted. The mechanics differ in important ways from country to country.
Zero Tax Countries
A handful of countries impose no personal income tax. Living and working there can mean a 0% income tax bill — but only if you meet residency rules, can move physically, and your home-country obligations are properly closed.
Tax Residency
Tax residency determines which country has primary taxing rights over your income. Move without clearly establishing new residency and breaking old residency, and you risk being taxed in both — or, worse, taxed in neither and audited for the gap.
Foreign Income Taxation
How a country treats income from outside its borders is often more important than the headline tax rate. Worldwide, territorial, remittance-based, and exempt systems each create very different planning outcomes.
Digital Nomad Tax
Working remotely doesn't automatically mean tax-free. Digital nomads still owe tax somewhere — usually their citizenship country (US), last residence country, or wherever they spend the most time. Choosing a deliberate tax base eliminates ambiguity.
Capital Gains Tax
Capital gains tax (CGT) on investment, property, and crypto profits varies enormously across jurisdictions — from 0% in Singapore, Switzerland, and most zero-tax countries, to 40%+ in some European systems. The CGT regime often matters more than the income-tax regime for investors.
US Citizen Expat Tax
US citizens are taxed on worldwide income regardless of where they live. This is unusual — only the US (and Eritrea) tax purely on citizenship. Practical planning revolves around FEIE, FTC, state residency, and (for business owners) GILTI.
Corporate Tax Rates
Corporate tax rates range from 0% (offshore financial centres pre-Pillar Two) to 35%+ in some high-tax countries. The headline rate is rarely the whole story — effective rates, free zones, dividend withholding, and substance requirements all matter.
OECD Pillar Two (15% Global Minimum Tax): FAQ
Pillar Two is the 15% global minimum tax for multinational enterprise groups with consolidated annual revenue ≥ €750M. Most TaxAtlas readers — individuals, founder-stage businesses, mid-size companies — are out of scope. For in-scope groups, Pillar Two changes the calculus on where to locate operations.
Tax Treaties (Bilateral Double-Tax Agreements): FAQ
Tax treaties (formally Double Taxation Agreements / DTAs) reduce withholding rates on cross-border income, allocate taxing rights between source and residence countries, and resolve dual-residency conflicts. They are the binding legal framework that determines how much tax flows where on cross-border transactions.
Exit Taxes (Departure Tax on Emigration): FAQ
Exit tax is the one-time deemed-disposal tax some countries impose when a resident ceases to be tax-resident there. It can be the single largest tax cost of an international move — particularly for founders with material appreciated equity. The applicability and mechanics vary substantially by country.
Economic Substance Requirements: FAQ
Substance is the single most important concept in modern offshore structuring. Across virtually every low-tax jurisdiction, the headline preferential rate is gated on demonstrating that the entity does real business in the country — local people, local decisions, local fixed costs. Pure paper structures fail under modern substance tests.
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