How expats can reduce taxes in the US

Read on to learn more about which tax-saving options are worth checking and which common expat tax breaks usually do not fit people living and working in America.

Note: This guide is for general information only, not legal, tax, immigration, or financial advice.

Key takeaways

Tax lever	Who it may suit	How it helps	What to verify
Tax status check	New arrivals and visa holders	Sets the right tax rules first	Green card, day count, first-year status
Standard deduction or itemizing	Mostly resident aliens	Can lower taxable income	Whether you can claim the standard deduction
Retirement contributions	Employees and self-employed workers	Pre-tax contributions may lower income	Plan access, compensation, income rules
Treaty or foreign tax credit review	People with tax paid abroad	May reduce double taxation	Treaty article, residency, forms
State tax check	Movers and cross-state workers	Helps avoid overpaying or underfiling	Residency, sourcing, part-year rules

Check your tax status first

Your tax status decides what income is taxable and which deductions or credits may be available, so this is the most important check and well worth carrying out first.

Are you a resident or nonresident for US tax purposes?

Immigration status and tax status are not the same. For federal tax purposes, you are usually a resident alien if you meet the green card test or the substantial presence test, and a nonresident alien if you do not.

That changes what is possible in practice. Resident aliens are generally taxed on worldwide income and often have broader deductions and credits, while nonresident aliens usually report US source income and often face tighter limits.

• Green card test: lawful permanent resident status usually makes you a resident alien for tax purposes.
• Substantial presence test: day counting can turn many H-1B or L-1 workers into resident aliens.
• Practical difference: resident aliens often have more mainstream tax tools than nonresident aliens.

🔍 How to verify: start with IRS Publication 519.

Dual-status years, treaty exceptions, and why they matter

If you arrive in or leave the US mid-year, you may be a dual-status alien. That means part of the year is taxed under resident rules and part under nonresident rules, so you may not get the same deduction set or filing options for the whole year.

Tax treaties can also change the result, but only in specific cases. A treaty may reduce withholding, exempt some income, or help resolve double residency, but it does not work like a blanket expat discount.

• Dual-status years can limit deductions and change the form you file.
• Treaty benefits depend on your country, income type, and sometimes your visa or residency position.
• Some treaty-based positions require extra disclosure, including Form 8833 in certain cases.

🔍 How to verify: check the treaty article that matches your income type on the IRS tax treaties A to Z page and compare it with the rules in Publication 519.

Use the tax breaks that fit your status

Once your status is clear, focus on the legal tax levers most likely to reduce taxable income or tax due.

Deductions vs credits: where expats can save most

If you are not sure whether the standard deduction or itemizing is better, the key question is simple: which one leaves you with less taxable income.

For many resident aliens, the standard deduction is the easier route, while itemizing is only worth the extra work when your eligible expenses are clearly higher.

A common question is whether nonresident aliens get the same options. Usually they do not. For example, nonresident aliens generally cannot claim the standard deduction, although limited exceptions can exist, such as certain treaty-based cases involving India.

• Standard deduction: usually the simplest choice for eligible resident aliens.
• Itemized deductions: worth checking if you have qualifying costs such as mortgage interest, state and local taxes, or charitable gifts.
• Education credits: may help eligible residents with qualifying US education costs.
• Child-related credits: may reduce tax for eligible families, but residency and dependent rules matter.
• Self-employed expenses: ordinary and necessary business costs can reduce taxable income if you report self-employment income.

🔍 Example: a self-employed consultant may reduce taxable income through ordinary business expenses and a retirement contribution, while a resident alien employee with modest itemized costs may still come out ahead using the standard deduction.

For more detail, review the IRS credits and deductions guidance.

When tax treaties or foreign tax credits help

If you still pay tax abroad, a foreign tax credit may matter because it works differently from a deduction. A deduction reduces taxable income first, while a credit reduces your tax bill directly, which is why it can be especially useful when the same income is taxed twice.

Treaties can help too, but only when the treaty article actually covers your income and your residency position supports the claim. What could go wrong is assuming a treaty applies because someone online says it does, then filing the wrong way for your country, visa, or income type.

Tool	👥 Who it may apply to	⬇️ What it can reduce	⚠️ Key caution
Foreign tax credit	Resident aliens taxed by two countries on the same income	Double taxation	Not every foreign tax qualifies
Treaty benefit	Nonresidents, dual residents, or some residents with a treaty claim	Withholding or taxable income	You must check the exact article
Treaty tiebreaker rule	People treated as residents in two countries	Double-residency conflicts	It can change filing treatment, but it is not automatic

Lower taxable income with retirement and pre-tax accounts

Retirement plans and other pre-tax benefits are often the most practical year-to-year ways to lower taxable income.

401(k) and IRA options for expats in the US

Visa type alone usually does not decide whether you can save in a US retirement account. In practice, access often depends more on whether your employer offers a 401(k), whether you have taxable compensation, and whether you meet the IRA rules.

A resident alien on an H-1B or L-1 visa may be able to join an employer 401(k) and may also be eligible for a traditional IRA, while a foreign retirement plan from home is not automatically treated the same way as a US account.

Use retirement accounts as tax tools only after checking the rules that apply to your compensation and filing status.

💼 Employer 401(k)	Salary deferrals are usually pre-tax, which can lower current taxable income.
🛡️ Traditional IRA	Contributions may be deductible if you have taxable compensation and meet the rules.
📊 Income and plan coverage	IRA deductions can narrow (or phase out entirely) when you or your spouse are covered by an active workplace retirement plan.
🌍 Foreign pension plans	Having a plan abroad does not automatically grant you the same preferential tax-deferral status under US tax law.

Other pre-tax benefits to review

If you have access to employer benefits, check them before you spend time hunting for obscure deductions. Payroll-based tax breaks are often easier to use and may lower taxable pay right away.

• Health Savings Account (HSA): if you are in an HSA-eligible health plan, contributions may lower taxable income.
• Flexible Spending Account (FSA): health FSA contributions use pre-tax payroll dollars for eligible medical costs.
• Dependent care FSA: can reduce taxable pay if you have qualifying care expenses.
• Withholding review: withholding is the tax taken from each paycheck in advance, and checking it can help prevent a large bill or refund surprise.

Plan for state taxes, not just federal

Federal planning is only part of the picture. A move from Texas to California, or from New Jersey to New York, can change your total tax outcome even if your federal return barely changes.

The risk here is assuming the state follows the federal result. States can define residency differently, source income differently, and treat deductions, credits, or retirement income in their own way.

If you lived in one state and worked in another, or moved mid-year, you may need more than one state return.

Issue	💡 Why it matters	🇺🇲 What differs by state	☑️ Where to verify
Residency	A state may tax all income if it treats you as a resident	Domicile tests, day counts, part-year rules	Your state tax agency
Income sourcing	Remote or cross-state work can create filing duties	Wage sourcing and nonresident rules	Your state tax agency
Deductions and credits	Federal benefits may not fully carry over	Itemized rules, credits, exclusions	Your state tax agency
Moves during the year	Part-year status can split income and filing duties	Entry date, exit date, allocation method	Federation of Tax Administrators or the state agency

🔍 Example: If an expat worked in Illinois, moved to California in September, and kept some remote work tied to the old state, the federal return may look straightforward while the state filing becomes the real planning issue.

Manage cross-border tax payments and savings with Wise

If you still pay taxes in another country, receive income from abroad, or move savings between currencies, it can help to have specific tools for cross border money management.

With a Wise Account, you can hold money and convert between 40+ currencies, and receive payments with account details in 20+ currencies.

Wise international money transfers to 160+ countries can also help you send money with transparent fees and the mid-market exchange rate.

Some expats may find that simpler than routing every transfer through major local banks when exchange markups and intermediary fees are hard to track. If cross-border payments are part of your routine, learn more about Wise before your next transfer.

Keep records clean and avoid the wrong kind of expat tax advice

Many online expat tax pages are really written for Americans abroad, which is a different issue from being a foreign national living in the US. If you copy that advice too quickly, you can focus on the wrong rules.

Keep contribution records, charity receipts, mortgage statements, dependent records, and any foreign tax paperwork in one place.

Clean records make it easier to compare deductions, credits, and cross-border relief later.

• Save payroll records that show pre-tax deductions.
• Keep donation confirmations and mortgage interest statements.
• Hold on to foreign tax documents if another country also taxes your income.
• Check advice against your actual tax status before acting on it.

Common mistakes that raise expat tax bills

• Confusing immigration status with tax status: A visa label does not tell you the full tax answer, so always test resident, nonresident, or dual-status treatment first.
• Assuming all expats get the same deductions: Many search results are written for Americans abroad, not foreign nationals living in the US, so the advice can point you to the wrong break.
• Ignoring state tax obligations: A strong federal plan can still leave you overpaying, or underfiling, if state residency or sourcing rules are different.
• Missing year-end retirement and benefit deadlines: 401(k), HSA, FSA, and payroll elections often work best before the tax year closes, not after.
• Failing to document foreign taxes or treaty positions: If you claim a credit or treaty benefit without adequate records, the savings may not hold up.

Be careful with tax advice from social media, anonymous forums, or anyone claiming a secret expat loophole.

The IRS also warns about impersonation and refund scams, so step back if a caller, message, or preparer pressures you to act fast or share personal data.

If you have multiple countries, a dual-status year, self-employment, or a treaty claim, that is usually the point to escalate to a qualified cross-border tax professional.

Important note: This guide is for general information only, not tax, legal, or immigration advice. Legal tax reduction uses rules the law allows, while tax evasion means hiding income or inventing deductions, which is illegal. Tax outcomes depend on status, visa, income, state, and treaty position, so confirm key points with the IRS, your state tax agency, or a qualified tax professional.

FAQs

How can resident aliens reduce taxes in the US?

Resident aliens are often taxed like US citizens for federal purposes, so they may have access to mainstream tax planning tools such as the standard deduction or itemizing, eligible credits, retirement contributions, and pre-tax benefits. State rules still matter, so you may want to look at your home state’s tax planning options as well.

Can non-resident aliens claim the standard deduction?

Usually no. Nonresident aliens should not assume the standard deduction applies without checking IRS guidance or professional advice. A common exception is certain students or business apprentices from India under treaty rules who may be entitled to use standard deduction.

Do tax treaties lower a foreigner’s US tax bill?

Sometimes, but only in specific cases. A treaty may reduce withholding or help with double taxation, but it depends on the treaty country, the income type, and the filing position you take.

Do expats in the US also need to worry about state taxes?

Yes, often they do. State residency, work location, and income sourcing can create separate filing duties even when the federal rules seem clear, so always check the state tax agency for the state that may tax you.

Useful resources

Last checked 26th July 2026.

• Internal Revenue Service, Publication 519 (2025), US Tax Guide for Aliens
• Internal Revenue Service, Credits and deductions for individuals
• Internal Revenue Service, Retirement topics – Contributions