Expat Retirement Calculator

This calculator works by taking a standard retirement projection and layering on key international factors. Instead of just entering your savings and spending, you'll specify a Cost of Living Index to see how far your dollars will stretch in your chosen country. You will also account for potential Social Security or pension income from both your home country and any foreign countries where you've worked. Finally, the Foreign Income Tax Rate input helps you model the tax impact on your income streams, which can be a significant drag on your budget if not planned for properly.

One of the biggest draws of retiring overseas is the potential for a lower cost of living. A budget that feels tight in California might afford a comfortable lifestyle in Mexico or Spain. The calculator uses a Cost of Living Index (COLI) to make this adjustment, where your home country is 1.0. A country with a COLI of 0.70 is 30% cheaper.

However, the index is just an average. Your actual costs will depend on your lifestyle and location within a country. Major cities are almost always more expensive than rural areas.

Here’s how a hypothetical $70,000 annual budget in a U.S. city might translate to other popular retirement destinations, based on national average COLI data:

Beyond the Index: Other Critical Expat Costs

• Healthcare: While many countries have lower healthcare costs than the U.S., you'll need a plan. Medicare generally does not cover you abroad. Most expats purchase private international health insurance or pay into a national system if eligible.
• Visas & Residency: The process of obtaining long-term residency can involve thousands of dollars in legal fees, application costs, and income requirements.
• Currency Fluctuations: Your retirement savings are likely in U.S. dollars, but your expenses will be in a foreign currency. A strong dollar benefits you, but a weak dollar can shrink your purchasing power. Managing this risk is key. See our currency exchange retirement income calculator for more detail.
• Travel: Budget for trips back home to visit family and friends, as these can be a significant recurring expense.

Ultimately, you need to determine your personal retirement number based on a detailed budget for your target country, not just a simple index.

Your U.S. citizenship follows you wherever you go, and so does your obligation to file U.S. taxes. However, that doesn't necessarily mean you'll be double-taxed. The U.S. has mechanisms to prevent this, primarily through tax treaties, the Foreign Tax Credit, and the Foreign Earned Income Exclusion (FEIE). For retirees, the Foreign Tax Credit is most relevant, as the FEIE only applies to earned income, not pensions, Social Security, or investment withdrawals.

Key Tax & Income Considerations for Expats:

1. U.S. Tax Filing: You must file a U.S. federal tax return each year if your income meets the filing threshold, even if you live abroad and pay taxes to another country.
2. Foreign Tax Credit (FTC): This is the most common tool for U.S. expat retirees. It allows you to claim a dollar-for-dollar credit on your U.S. tax return for income taxes you've paid to a foreign government. In many cases, if your foreign tax rate is higher than your U.S. rate, the FTC can eliminate your U.S. tax liability on foreign-sourced income entirely.
3. Tax Treaties: The U.S. has tax treaties with over 60 countries. These agreements determine which country has the primary right to tax certain types of income. For example, a treaty might state that your U.S. Social Security is only taxable by the U.S., while a local private pension is only taxable by your country of residence. This prevents both countries from taxing the same income.
4. Social Security & Pensions: You can generally receive U.S. Social Security benefits while living in most countries. However, your payments could be affected by the Windfall Elimination Provision (WEP) or Government Pension Offset (GPO) if you also receive a pension from foreign government employment. Combining U.S. and foreign benefits can be complex; a spousal Social Security calculator may help model one part of the equation, but the international aspect adds another layer.
5. Withdrawal Strategy: The tax treatment of your retirement accounts (401(k), IRA) can change. While Roth IRA withdrawals remain tax-free from a U.S. perspective, your new country might view them as taxable income. A tax-efficient withdrawal strategy is even more critical for expats.

Understanding these rules is essential for creating a realistic budget and determining how long your money will last.

The calculator runs a year-by-year simulation to project your financial future. It starts by growing your current savings until retirement and then models the withdrawal phase, accounting for your unique expat circumstances.

First, it calculates your total portfolio value at your planned retirement age:

Projected Portfolio at Retirement = (Current Savings × (1 + Annual Investment Return)^Years to Retirement) + (Annual Contribution × (((1 + Annual Investment Return)^Years to Retirement - 1) / Annual Investment Return))

Where:

• Current Savings = The total amount you have saved for retirement today.
• Annual Investment Return = Your expected average annual growth rate.
• Years to Retirement = The number of years between your current age and planned retirement age.
• Annual Contribution = The amount you add to your savings each year.

Next, it adjusts your desired spending for inflation and the cost of living in your new country:

Adjusted Annual Spending = (Desired Spending × (1 + Inflation Rate)^Years to Retirement) × Cost of Living Index

Where:

• Desired Spending = Your target annual spending in your home currency.
• Inflation Rate = The long-term average inflation rate.
• Cost of Living Index = The COLI for your retirement country (e.g., 0.75 for 25% cheaper).

Finally, it determines the net amount you must withdraw from your portfolio each year after accounting for other income sources and foreign taxes:

Net Withdrawal from Portfolio = Adjusted Annual Spending - ((Home Pension + Foreign Pension) × (1 - Foreign Tax Rate))

Where:

• Home Pension = Your annual Social Security or other pension from your home country.
• Foreign Pension = Any annual pension you receive from another country.
• Foreign Tax Rate = The effective income tax rate in your retirement country.

This annual withdrawal is then subtracted from your portfolio balance, and the remaining balance grows by the investment return. This process repeats each year until you reach your life expectancy or the portfolio runs out.

What is a cost of living index and how does it affect my retirement budget?

A cost of living index (COLI) compares the average cost of goods and services—like housing, food, and transportation—in one location to another. For this calculator, it helps translate your desired U.S. dollar budget into what you'll actually need to spend in a country that may be significantly cheaper or more expensive.

Do I still have to pay U.S. taxes if I retire abroad?

Yes, as a U.S. citizen, you are required to file a U.S. tax return every year, regardless of where you live, provided you meet the income filing threshold. However, thanks to the Foreign Tax Credit and various tax treaties, most expat retirees do not end up paying taxes to both countries on the same income.

How do I get healthcare coverage as a U.S. expat retiree?

Medicare does not provide coverage outside of the United States. Most U.S. expats either purchase a private international health insurance policy, pay into the national healthcare system of their new country (if eligible), or pay for care out-of-pocket in countries where it is affordable.

Is it better to keep my investments in the U.S. or move them abroad?

Most financial advisors recommend U.S. expats keep their retirement accounts (like IRAs and 401(k)s) domiciled in the U.S. with a U.S.-based brokerage. This simplifies tax reporting, provides access to a wider range of investment products, and avoids complex foreign account reporting requirements like FBAR and FATCA.

Can I still receive my Social Security benefits if I live in another country?

Yes, the Social Security Administration can send payments to you in most countries. There are a few restricted countries (like Cuba and North Korea), but for the vast majority of popular expat destinations, you can receive your benefits directly.

What is a tax treaty and why is it important for expat retirees?

A tax treaty is an agreement between two countries to resolve issues of double taxation. For retirees, it clarifies which country has the primary right to tax specific income sources, such as pensions, Social Security, and investment gains. This is crucial for planning your retirement withdrawals tax-efficiently.

How does currency risk impact my retirement income?

Currency risk is the danger that a change in exchange rates will reduce the value of your income. If your retirement portfolio is in U.S. dollars but you spend in Euros, a weakening dollar means you'll have fewer Euros each month. This can shrink your purchasing power and strain your budget over time.

After using the calculator, you have a baseline for your expat retirement plan. The next step is to refine your assumptions. Research specific visa requirements, healthcare costs, and tax laws for your top 2-3 country choices. For a deeper dive into your portfolio's longevity, use the how long will my money last calculator. To further refine your savings target, try the retirement needs calculator.

Last updated: July 2026