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Cost of Living Abroad: How to Build a Realistic Budget

Online cost-of-living numbers make moving abroad look cheaper than it is. Here is how to build a budget that holds up, including the costs most people forget.

Money & Taxes 6 min read Updated October 17, 2026
Foreign banknotes and coins beside a calculator

"You can live like royalty for $1,500 a month" is one of the most repeated lines in expat media, and one of the least helpful. Some people do live comfortably abroad on modest incomes, but the number that matters is your number: the cost of the life you will actually live, in the neighborhood you will actually choose, with the healthcare, travel, and US obligations you actually have. This guide shows how to build that budget.

Why online cost indexes mislead

Cost-of-living websites and "cheapest countries" lists are useful for rough comparisons and nothing more. Their blind spots:

  • Crowdsourced prices. Many indexes rely on users entering prices. Samples can be small, outdated, or skewed toward a handful of cities.
  • Local-resident baskets. They often price what a local family buys, not what a newcomer pays. Foreigners frequently pay more for rent, especially in the first year without local references.
  • Averages hide neighborhoods. Rent in the expat-favored district can be several times the city average.
  • Missing categories. Private health insurance, visa renewals, flights home, US tax preparation, and storage back home rarely appear.
  • Frozen exchange rates. A comparison built on last year's rate can be off by a meaningful margin today.

Use indexes to shortlist, then build your own numbers from listings, quotes, and a scouting trip.

The categories that decide your budget

Housing

Housing is usually the largest line and the most variable. Price the specific neighborhoods you would live in using current long-term rental listings, not vacation rentals. Add one-time costs: security deposits (often one to three months), agent fees in some countries, furnishing an unfurnished unit, and utility connection deposits. Our housing abroad guide explains local rental norms.

Healthcare

Medicare generally doesn't cover care outside the US, so budget for local public coverage (if residents can join), private local insurance, or international health insurance. Premiums rise with age and can jump at certain birthdays. Add out-of-pocket costs and prescriptions. If you are 65 or older, decide whether you will keep paying Medicare Part B, since dropping it can mean a permanent late-enrollment surcharge if you return (see Social Security abroad).

Visas and renewals

Residency costs money up front and again later: application and government fees, apostilles and translations, background checks, lawyer or facilitator fees if you use one, and periodic renewals. Many visas also require you to show a minimum income or savings, which ties up money. See how residency visas work.

Travel home

Most people underestimate this. Weddings, graduations, a parent's surgery, and holidays add up. Budget for a realistic number of round trips per person per year, and keep an emergency reserve for a last-minute flight at full price.

Taxes

You will still file US returns, and you may owe tax in your new country. Even if your US tax bill is zero, a qualified expat preparer costs money. Retirees should know the Foreign Earned Income Exclusion does not shelter pensions, Social Security, or investment income. Read US taxes abroad and include local tax estimates from a professional in your destination.

Currency risk

If your income is in dollars and your expenses are in pesos or euros, every swing in the exchange rate changes your budget. A 10% drop in the dollar against your local currency raises your cost of living by roughly 10% overnight, with no change in your lifestyle. You can view historical rates in the Federal Reserve's H.10 foreign exchange release to see how much a currency has moved in past years. Build a buffer, often 10 to 15% of your local-currency expenses, into the plan.

The "two-household" first year

The first year abroad is almost always the most expensive, because for a while you are paying for two lives:

  • Rent or mortgage in the US while you wait for a lease to end or a house to sell
  • Short-term rental abroad while you search for a long-term place
  • Storage units, shipping, or selling and re-buying belongings (see shipping vs. selling)
  • Overlapping insurance, phone plans, and car costs
  • Visa, document, and pet relocation fees all landing within a few months
  • Furnishing and setting up a home from scratch

Budget the first year separately from the "steady state," and fund it from savings rather than monthly income.

A sample budget worksheet

Illustrative only

The figures below are invented to show the structure of a budget for a hypothetical retired couple in a mid-priced city. They are not estimates for any real country. Replace every number with your own research.

CategoryMonthly (illustrative)How to get your real number
Rent, 2-bedroom, chosen neighborhood$1,200Current long-term listings; ask local agents
Utilities, internet, phones$200Ask landlords for past bills
Groceries and household$600Price your usual basket in local stores
Dining out and entertainment$350Your own habits, at local prices
Transportation$150Transit passes, taxis, or car costs
Health insurance, two people$600Written quotes for your ages
Out-of-pocket medical and prescriptions$100Check prices for your medications
Medicare Part B, if kept$400Current premium on Medicare.gov
Visa renewals and documents (annualized)$75Consulate fee schedules plus any legal fees
Trips home (annualized)$300Flight searches for your route and season
Tax preparation, US and local (annualized)$100Quotes from preparers
US obligations (storage, subscriptions, US phone)$75Your current statements
Currency buffer (about 10%)$400Apply to local-currency costs
Monthly total$4,550

Two things stand out even in an invented example. First, the "foreigner costs" (insurance, Part B, visas, trips home, tax prep, US obligations, and the buffer) add up to nearly half the total. Second, rent is only about a quarter. That is why a headline rent figure tells you little about whether you can afford a country.

Building your own budget, step by step

  1. Start from your real spending. Pull 12 months of US statements and sort them into categories. This is your baseline lifestyle.
  2. Price each category locally. Use current listings, supermarket websites, insurer quotes, and consulate fee schedules.
  3. Add foreigner-specific costs. Insurance, visas, travel home, tax prep, and anything you keep paying in the US.
  4. Add a currency buffer and compare the total to your income in a bad exchange-rate year, not a good one.
  5. Budget the first year separately, including the two-household overlap and setup costs.
  6. Check visa minimums. Make sure your provable income meets the requirement with room to spare. See retirement visas.
  7. Test it on the ground. Spend a few weeks living on your budget during a scouting trip before you commit.

Keep an emergency fund you can reach

Abroad, emergencies cost more and move faster: a medical evacuation, a family crisis back home, a landlord selling your apartment. Keep several months of expenses plus the cost of a last-minute flight in accounts you can reach from abroad, ideally split between a US account and a local one. When you're ready to compare countries on cost alongside climate, healthcare, and visas, our guide to choosing a country pulls it together.

Check before you act

Immigration rules, income minimums, fees, and tax law change, sometimes with little notice. This guide is general information, not legal, immigration, or tax advice.

  • Confirm current requirements with the country's official immigration agency or the consulate that will handle your application.
  • For US tax questions, use IRS.gov and a tax professional who works with Americans abroad.
  • Get advice from a licensed local attorney before signing leases, buying property, or submitting residency paperwork.

Common questions

How much money do I need to live abroad?

It depends on the country, city, and lifestyle, so start from your own spending rather than a national average. List fixed costs (housing, insurance, visas, US obligations) and variable costs, add a currency buffer and an emergency fund, and test the plan with a scouting trip.

Are online cost-of-living websites accurate?

They are a rough starting point. Many rely on user-submitted prices, blend neighborhoods together, and leave out costs specific to foreigners such as private insurance, visa renewals, and flights home.

What costs do people forget when moving abroad?

Common ones are the overlap months of paying for two homes, visa and document fees, private health insurance, deposits and furnishing, trips back to the US, tax preparation, and currency swings.

How much should I keep as an emergency fund abroad?

There is no official number. Many planners suggest enough to cover several months of expenses plus the cost of a last-minute flight home, held in a form you can reach quickly.

Sources

  1. Foreign Exchange Rates (H.10) — Federal Reserve Board. federalreserve.gov/releases/h10/current/default.htm
  2. Your Payments While You Are Outside the United States — SSA. ssa.gov/pubs/EN-05-10137.pdf
  3. Avoid late enrollment penalties — Medicare.gov. medicare.gov/basics/costs/medicare-costs/avoid-penalties
  4. Publication 54, Tax Guide for U.S. Citizens and Resident Aliens Abroad — IRS. irs.gov/publications/p54

Last reviewed October 17, 2026. General information only, not legal, immigration, or tax advice. Requirements change, so confirm with official sources before you apply. See our disclaimer.