Last Updated: April 2026
Spain has attracted a surge of American expats and digital nomads since expanding its Digital Nomad Visa in 2023, making it significantly easier for remote workers to obtain legal residency while maintaining foreign employment. Combined with Spain’s desirable Mediterranean climate, strong healthcare system, and EU residency pathway, Spain is now one of the most-searched destinations for Americans considering relocation in 2025–2026.
However, Spain’s tax system has some features that uniquely affect Americans: the aggressive Modelo 720 foreign asset declaration requirement (with steep penalties), the complex interaction between Beckham Law benefits and US citizenship-based taxation, and Spain’s standard income tax rates that can reach over 50% for high earners. This guide explains every layer of US and Spanish tax obligations Americans face when moving to Spain.
Regardless of whether you live in Madrid, Barcelona, or Seville, your US tax obligations follow you. The United States taxes its citizens on worldwide income from all sources — Spanish salary, Spanish investment income, US dividends, foreign rental income — everything goes on Form 1040.
You must file US federal taxes every year. The overseas automatic extension gives you until June 15 (no need to request), with further extension to October 15 available by filing Form 4868. You still pay any taxes owed by April 15 — the extension is for filing, not payment.
If you are employed in Spain (or self-employed as a digital nomad), the FEIE via Form 2555 allows you to exclude up to $126,500 (2024) of foreign earned income from US taxable income. To qualify, you must meet either: the Physical Presence Test (330 days outside the US in any 12-month period) or the Bona Fide Residence Test (full tax year as a bona fide resident of Spain). FEIE does not apply to investment income — US dividends, capital gains, and interest remain taxable to the US.
As an alternative to FEIE, you can credit Spanish income taxes paid against your US tax liability on the same income. Under Beckham Law (24% flat), if your US marginal rate exceeds 24%, you will owe residual US tax on Spanish-source income. Example: American earning €120,000 in Spain under Beckham pays 24% Spanish tax; US taxes at 32% marginal rate; foreign tax credit covers the 24% paid to Spain; remaining 8% owed to the US. Under standard Spanish rates (up to 47%), foreign tax credits typically fully offset US taxes.
The Convention for the Avoidance of Double Taxation between the US and Spain (1990) covers employment income, pensions, dividends (15% max withholding; 10% qualifying companies), interest (10%), royalties (8%). The treaty includes a Saving Clause — the US retains the right to tax its citizens as if the treaty did not exist. Practical use: reduces Spanish withholding on US-source dividends and interest paid to Spain-resident Americans. Does not eliminate the need to file both US and Spanish returns.
American self-employed workers (freelancers, digital nomads) who work in Spain for Spanish clients must register as autónomos with Spain’s Social Security system. Monthly social security contribution: €230–€500+ depending on the income tier. If working exclusively for non-Spanish clients (remote work), autónomo registration requirements under the Digital Nomad Visa route differ — you are employed or contracted by a foreign entity and may avoid Spanish autónomo registration while under the Digital Nomad Visa (though rules are evolving).
The Régimen Especial de Trabajadores Desplazados (RETD) — universally known as the Beckham Law after David Beckham famously used it when he signed with Real Madrid in 2003 — is Spain’s preferential tax regime for foreign workers relocating to Spain.
Since January 2023, remote workers who move to Spain under the Digital Nomad Visa are eligible for Beckham Law. This was a significant expansion. A US-based remote worker employed by a US company, who relocates to Spain under the Digital Nomad Visa and applies within 6 months, can elect 24% flat Spanish tax on their income earned from Spanish-territory work. Key nuance: under Beckham, income from working remotely for a foreign employer while physically in Spain may be considered Spanish-source, triggering the 24% Beckham rate on it. Structure varies; consult a Spanish tax advisor.
After 6 years, you transition to standard Spanish IRPF (progressive rates). Spanish effective rate for high earners (including regional surcharges in Catalonia, Madrid, Basque Country) can reach 45–54%. Plan your finances for this transition: the jump from 24% to 45%+ is significant, and many expats choose to relocate again at this point.
Modelo 720 is a Spanish informational declaration of foreign assets, introduced in 2013 as part of Spain’s tax transparency push. For Americans with US investment accounts, US property, US retirement accounts, and US bank accounts, Modelo 720 has serious implications.
Spanish tax residents (including Beckham Law beneficiaries — Beckham status does not exempt you from Modelo 720) who hold foreign assets individually or through controlled entities, exceeding €50,000 in any of three categories:
Most Americans moving to Spain will have US assets that trigger Modelo 720: a US 401(k) or IRA is likely Category 2; a US brokerage account (Vanguard, Fidelity) is Category 2; a US bank account above €50,000 is Category 1; US real estate is Category 3. You must disclose these to the Spanish tax authority (AEAT). The information is used to verify consistency with your Spanish tax return — income generated by those assets should be appearing on your IRPF (or Beckham return, where applicable).
Spain’s original Modelo 720 penalties (treating undeclared foreign assets as 150% taxable income gain + fixed penalties) were ruled disproportionate by the European Court of Justice in January 2022. Spain amended the law in 2023: penalties are now proportional (similar to domestic filing penalties) rather than confiscatory. However, penalties still apply — failure to file Modelo 720 when required carries fixed penalties of €5,000 per unreported asset group (minimum €10,000) plus proportional penalties. Non-compliance remains a significant risk.
Understanding what triggers Spanish tax residency — and when — is critical for planning your year of arrival.
Spain considers you a tax resident if either: (1) you spend 183 or more days in Spain during a calendar year (counted from the date of arrival); or (2) Spain is the center of your economic or vital interests (where your main business activities are based, or where your spouse and/or dependent children reside). The 183-day count is absolute — Spain does not have a treaty tiebreaker that definitively overrides Spanish domestic law in all cases, though the US-Spain treaty’s tie-breaker rules can help resolve dual-residency claims.
In the year you move to Spain, if you establish Spanish residency mid-year, Spain taxes your worldwide income from the date of arrival. For the period before arrival, you were a US tax resident only. File Form 1040 for the full year (US taxes worldwide income regardless); file a Spanish IRPF return for income from arrival date through December 31. You will likely need a Spanish fiscal representative for your first Spanish filing. For the US return: the FEIE and foreign tax credits apply to the full year’s foreign income as earned.
The NIE (Número de Identidad de Extranjero) is your Spanish tax and identity number. Required for: opening a Spanish bank account; signing lease or purchase contracts; registering with Hacienda (Spanish tax authority); employment contracts in Spain; motor vehicle registration. Apply at: Spanish consulate in the US before moving (recommended); or at a Spanish National Police station after arriving. Processing time: 1–3 months at consulate; faster in-person with appointment. After NIE: register with your local Ayuntamiento (city hall) via empadronamiento (municipal register) — this is the formal step that establishes your Spanish residency for tax purposes and for access to public services including healthcare.
FBAR filing begins in the year your Spanish bank account(s) cumulatively exceed $10,000 at any point. If you move to Spain in July and open a BBVA account with $15,000, you must file FBAR for that tax year (due April 15 the following year). Do not wait until accounts have been open for a full year — the trigger is the balance at any single point during the year.
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Transfer Money USA ↔ Spain →No — Beckham Law (RETD) is a Spanish tax preference and has no effect on your US federal tax obligations. As a US citizen, you must file Form 1040 every year regardless of where you live or what tax regime you use in Spain. Under Beckham, Spain taxes your Spanish-source income at 24% flat. The US still taxes your worldwide income. You credit the Spanish 24% tax against your US tax liability on the same income using Form 1116. If your US marginal rate is higher than 24% (e.g., 32% or 37%), you will owe the difference to the IRS. If your US marginal rate is lower than 24%, the excess Spanish tax can be carried forward as excess foreign tax credits. The combination of Beckham + US citizenship-based taxation means your effective combined tax rate is generally the higher of the two systems’ rates on each type of income.
Yes, if the value exceeds €50,000. Your US 401(k) and traditional IRA are foreign financial accounts from Spain’s perspective — they are Category 2 assets (securities, insurance, rights, and financial products) under Modelo 720. If the combined value of your US retirement accounts exceeds €50,000, you must declare them in the year you first become Spanish resident. Growth inside the 401(k)/IRA does not automatically trigger Spanish taxation — Spain respects the US treaty treatment that defers taxation until distributions are made. However, the assets must be declared on Modelo 720 for informational purposes. Similarly, a US brokerage account (Vanguard, Fidelity, Schwab) holding ETFs and stocks above €50,000 must be declared. Failure to declare when required carries significant penalties.
Spain’s Digital Nomad Visa (Visa para Nómadas Digitales), introduced under the Startup Law in 2023, allows remote workers employed by or contracted with companies outside Spain to live in Spain legally. Requirements: income of at least 200% of Spain’s minimum wage (approximately €2,646/month in 2024); proof of remote work relationship with foreign employer(s); health insurance; clean criminal record; accommodation in Spain. Tax implications: Digital Nomad Visa holders are Spanish tax residents (183-day rule or economic interests) and can elect Beckham Law (RETD) within 6 months, paying 24% flat on Spanish-source income. They must file Spanish IRPF, Modelo 720 if applicable, and US Form 1040 (with FBAR). The Digital Nomad Visa is an initial 1-year stay authorization, extendable to 3 years — it does not automatically lead to Spanish citizenship (requires separate residency years).
In the year you leave Spain, you file Form 1040 as a full-year US taxpayer (the US never stopped taxing you). Your FEIE or foreign tax credit claims apply to income earned during the period of Spanish residency. For Spanish taxes: Spain taxes you as a resident from January 1 through the date you cease Spanish residency — you file an IRPF return for that partial year. Timing matters: if you are under Beckham Law, confirm whether Beckham status ends on departure or at year-end (generally, Beckham ends when you cease Spanish residency). After leaving Spain, your Modelo 720 obligations cease for Spanish residency purposes in the following year (you only need to file the final year’s Modelo 720 if applicable). Important: leaving Spain does not trigger a US expatriation tax (expatriation tax applies only to renouncing US citizenship or abandoning a US long-term green card).