There is no single number, because the right figure depends on the city you choose, your healthcare, your taxes and how much risk you can absorb. The reliable method is to build an annual budget for your actual destination, subtract guaranteed income such as Social Security, and size your savings to cover the gap with a margin for surprises.
TL;DR
- Start with an annual budget for a specific city, not a country average.
- Subtract reliable income, such as Social Security or a pension, to find the gap your savings must fund.
- Add healthcare, flights home, visa costs and taxes, which are the lines people most often underestimate.
- Keep a reserve and revisit the plan yearly, since exchange rates and prices move.
Why this matters
Headlines promise that you can retire abroad on a small monthly amount. Sometimes that is true for a person with modest needs in a low-cost town. It is not a safe assumption for everyone, and an under-built budget is a costly mistake to discover after you have moved.
The goal is not to find the cheapest country. It is to find a plan you can sustain for decades without being forced to return.
Build the number in four steps
Work through these in order:
- Step 1, annual spending: Price housing, food, utilities, transport, insurance, leisure and local taxes for your chosen city.
- Step 2, reliable income: List Social Security, pensions and annuities and confirm how each is paid to a foreign address.
- Step 3, the gap: Annual spending minus reliable income is what your savings must supply each year.
- Step 4, the cushion: Add a reserve for healthcare shocks, currency swings and a return move.
A common planning shortcut is to multiply the annual gap by 25, which reflects a 4% starting withdrawal rate. It is a rough rule, not a guarantee, and it is not tailored to your age, taxes or investments, so use it only as a starting point with an adviser.
A worked example
Assume a couple that budgets $48,000 a year in their chosen city, receives $30,000 a year from Social Security and has no pension. Their annual gap is $18,000. At the 25 times shortcut, that suggests about $450,000 in savings before a cushion. If they add healthcare buffers, a return-move fund and travel, they may decide on a larger figure.
This is an illustration of the method, not a benchmark. Your own figures could be lower or much higher.
| Budget line | Why it needs its own number |
|---|---|
| Housing | Rent or ownership costs vary by city and by whether you are furnished or long term |
| Healthcare | Premiums, out-of-pocket costs and evacuation coverage differ widely by age and country |
| Taxes | U.S. and local tax both need review; treaties may help |
| Travel home | Flights and extended visits add up for families |
| Visa and residency | Renewals, financial proofs and legal fees recur |
| Currency | Your income in dollars buys a different amount as rates move |
Turn your budget into a sequenced plan
Explore ROS™ planning to connect your budget with visa, healthcare, housing and tax steps in the order they should happen.
Explore relocation planningThings that change the number
Healthcare is the biggest swing factor. Medicare generally does not cover you outside the United States, so plan your own coverage. Visa rules also matter: many retirement visas require proof of a minimum income or savings, which sets a floor on what you need even if your lifestyle is cheaper.
Finally, consider flexibility. A plan that lets you move to a lower-cost city, rent before you buy and revisit your budget yearly is safer than one that depends on everything going to plan.
Frequently asked questions
How much do I need to retire abroad?
It depends on your destination, healthcare, taxes and income. Build a city-level budget, subtract reliable income and size savings to cover the gap with a cushion.
Can I live on Social Security alone abroad?
Some people can in low-cost areas, but it depends on your benefit amount, healthcare and visa requirements. Do not assume it works without a budget.
Does Medicare work abroad?
Generally no. Medicare does not usually cover care outside the United States, so plan separate coverage.
Is the 4% rule reliable?
It is a rough starting point, not a guarantee. Your age, taxes, investments and currency exposure can change what is sustainable.
Should I rent before buying abroad?
Many advisers suggest renting first so you can test the city, season and budget before a larger commitment.
Is this financial advice?
No. This is educational context. Work with a qualified financial professional for a personal plan.
One last thing
Do the arithmetic before you commit to a country. A plan that works on paper in your chosen city, and that still works if rates, prices or health change, is the one worth moving for.
Related reading
- Best Countries for Americans to Retire Abroad in 2026
- Retire Abroad: Countries Ranked by Cost of Living in 2026
- Cost of Living Calculator
- Key Financial Considerations for U.S. Persons Relocating Internationally
This article is educational context, not legal, tax, immigration or investment advice. Requirements change, so confirm current rules with qualified professionals before making commitments.