Educational tool. Not financial advice. Sources & methodology

Geo-Arbitrage Calculator

See how far your expenses stretch in different cities. Your FIRE number depends on where you live.

Current location —
If you moved —
Equivalent expenses —
Portfolio difference —
Compare across cities
What cost indices don’t show. International visa costs ($1K–$10K+), moving/relocation ($5K–$50K), furniture replacement, healthcare transition, building new social networks (takes years), tax complexity, visa renewal, and potential return costs. A destination 60% cheaper on indices may be only 40–45% cheaper in practice for the first 3–5 years. After adjustment, real savings typically match or exceed estimates.
About cost-of-living data

Sources: Numbeo cost of living index (user-submitted, aggregated). Indices are directional, not precise. Actual costs vary significantly by lifestyle choices. Rent varies within cities. Currency fluctuations affect international comparisons. Inflation rates differ by country. Tourist prices differ from expat prices. Use as a starting point for research, not a budget. See methodology.

What geo-arbitrage actually means

Geo-arbitrage is using geographic cost-of-living differences to extend your money. The same household expenses in Manhattan might cost 60% less in Lisbon, 70% less in Chiang Mai, or 20% less in rural Mississippi. Your FIRE number is not about total dollars — it is about dollars relative to where you spend them.

Three common patterns: domestic (San Francisco to Chattanooga, 40% savings), international (San Francisco to Lisbon, 50% savings), and partial (splitting time between expensive home base and cheaper locations seasonally).

The math, concretely

Someone spending $80,000/year in San Francisco (cost index 105) considering Chiang Mai (cost index 31): equivalent expenses = $80,000 × (31/105) = $23,619. FIRE number at 4%: SF requires $2,000,000; Chiang Mai requires $590,000. The difference is $1.4 million in required portfolio. Same person, same quality-of-life tier, 70% less capital needed.

Where the index approach falls short

Cost indices are averages. An expat in Chiang Mai living like a local might spend $12,000/year. One in a middle-class Thai neighborhood: $20,000–$30,000. One trying to replicate exact American suburban lifestyle: $50,000–$70,000. The index captures the middle. Your actual cost depends on how you live. Luxury categories often do not translate — imported goods, specific brands, and premium services cost similar amounts globally.

Popular destinations and their tradeoffs

Portugal (index 48–54): EU residency via D7 visa, excellent infrastructure, English widely spoken in cities. Increasingly popular driving up costs. Mexico (index 38–42): close to US, easy visa, established expat infrastructure. Safety varies by region. Thailand (index 31–38): very low cost, welcoming to retirees, good healthcare in cities. Visa logistics require attention. Colombia (index 35): growing expat scene, excellent weather in Medellín, established medical tourism. Spanish strongly recommended.

The domestic geo-arbitrage case

For Americans, domestic moves deserve serious consideration before international options. Moving from San Francisco to Chattanooga saves roughly 40% on expenses without visa complexity, language barriers, healthcare transitions, or distance from family. The savings are smaller than international moves but the transition is dramatically simpler. Same language, same currency, same healthcare system, same Medicare eligibility.

What geo-arbitrage does not solve

Social fabric — you are leaving friends, family, and community. Language barriers restrict full participation in local life. Healthcare complexity across borders is always significant. Regulatory uncertainty — visa programs change. Climate and lifestyle adjustment takes 1–3 years. These are not reasons not to move. They are reasons to trial-run destinations for 3–6 months before permanent commitment.

What this calculator does not model

Currency risk, international tax obligations (US citizens owe federal tax abroad), one-time moving costs, healthcare cost structures (vary by insurance arrangement), inflation rate differences between countries, and quality-of-life factors not captured in cost data. For actual relocation decisions, consult an international tax accountant and visit destinations multiple times.

Frequently asked questions

Is geo-arbitrage actually realistic or just internet fantasy?

It’s real but often romanticized. Tens of thousands of Americans, Brits, and Europeans live affordably abroad. The cost savings are genuine — housing in Chiang Mai or Medellín really is 60–70% cheaper than San Francisco. What’s often underestimated: the social cost (leaving family and friends), bureaucratic complexity (visas, taxes, healthcare), and adjustment period (1–3 years to feel at home). The math works. Whether the life works depends on the person.

What’s the difference between tourist costs and expat costs?

Tourists pay more for housing (hotels vs long-term rentals), food (restaurants vs cooking), and services (tourist pricing vs local pricing). Expat costs are typically 30–50% lower than tourist costs in the same city. Long-term rentals, local markets, and established routines reduce expenses dramatically. The cost indices in this calculator approximate expat-level costs, not tourist costs.

Can I really retire to Thailand for $20,000/year?

A modest lifestyle in Chiang Mai or rural Thailand, yes. A studio or one-bedroom apartment ($300–$500/month), local food ($200–$400/month), and basic healthcare ($50–$150/month) fit within $20,000. But this means living like a comfortable local, not replicating an American suburban lifestyle. Importing Western habits (large house, car, imported groceries, frequent international travel) pushes costs to $35,000–$50,000+.

Do US taxes follow me if I move internationally?

Yes. US citizens and green card holders owe federal income tax regardless of where they live. The Foreign Earned Income Exclusion (FEIE) applies to earned income, not investment income or withdrawals. You may also owe taxes in your new country. Some countries have tax treaties with the US to prevent double taxation; others don’t. Consult an international tax accountant before relocating.

What’s the best FIRE-friendly country for Americans?

There is no single best country — it depends on your priorities. Portugal (D7 visa, EU access, good healthcare). Mexico (proximity, easy visa, established expat communities). Thailand (very low cost, excellent food, retirement visa). Malaysia (English widely spoken, multicultural, MM2H program). Each has tradeoffs in cost, visa complexity, healthcare quality, language, and distance from the US.

How do I get a retirement visa?

Requirements vary by country. Common patterns: proof of income or savings (typically $1,500–$3,000/month or $50,000–$100,000 in savings), health insurance, clean criminal record, and a valid passport. Some countries (Portugal D7, Malaysia MM2H, Thailand retirement visa) have well-defined programs. Others require navigating complex bureaucracies. Research specific country requirements before planning.

Should I consider domestic geo-arbitrage first?

Often yes. Moving from San Francisco to Chattanooga saves 40% on expenses without visa complexity, language barriers, healthcare transitions, or distance from family. The savings are smaller than international options but the transition is dramatically simpler. For many Americans, domestic geo-arbitrage offers 80% of the financial benefit with 20% of the complexity.