Mexico – Taxation

How does the tax system in Mexico work?

Mexico runs a unified federal tax structure. In contrast to jurisdictions where regional authorities impose their own layers of income tax — such as Switzerland’s cantonal system or the varied state-level income taxes found across the United States — personal income tax in Mexico is established and collected exclusively at the federal level by the Servicio de Administración Tributaria (SAT), colloquially referred to as Hacienda. The SAT performs a role broadly comparable to that of HMRC in the United Kingdom or the ATO in Australia. Comprehensive guidance is available at www.sat.gob.mx.

Several distinct categories of tax exist within Mexico’s system, each governed by its own rules and rate schedules. For individuals, the two most significant are the Impuesto Sobre la Renta (ISR — income tax) and the Impuesto al Valor Agregado (IVA — value added tax). Those running a business in Mexico will also encounter corporate income tax, excise duties, and levies on digital services.

How is tax residency determined? Mexican tax law establishes two pathways to residency status: physical presence and economic ties. You are treated as a tax resident if you are present in Mexico for more than 183 days within a single calendar year. All days count toward that total — leisure trips, property-search visits, and settled living alike.

Spending fewer than 183 days in Mexico does not automatically guarantee non-resident status. You could still be classified as a resident if Mexico has become your “centre of vital interests” — meaning your primary home is there, or your most significant personal and economic connections are rooted in the country. The SAT may reach this conclusion if more than 50 percent of your total income for the calendar year is sourced from within Mexico, or if the core of your professional activity is based there.

Tax residents are assessed on their worldwide income, whereas non-residents are only liable for income that originates in Mexico. This distinction carries considerable weight: the moment you acquire resident status, every stream of global earnings — salaries, pension payments, investment returns, rental receipts from overseas properties — comes within the SAT’s purview. Those who do not satisfy either residency test are liable solely for tax on income generated inside Mexico.

Mexico’s tax year coincides with the calendar year, spanning 1 January to 31 December — an approach shared by most of continental Europe and the Americas. Always consult the SAT website for current rules, since the annual Miscellaneous Tax Resolution (Resolución Miscelánea Fiscal) may introduce procedural changes each year.

Does Mexico have double taxation agreements, and how do they affect expats?

Mexico has concluded double tax treaties with 74 countries, representing one of the broadest treaty networks anywhere in Latin America. This breadth makes Mexico an accessible destination from a tax-planning perspective for nationals of a wide range of nations. All treaties in force have been published in the Official Gazette, and the SAT maintains a current list of treaty partners on its website at www.sat.gob.mx.

These agreements work by reducing withholding tax rates on dividends, interest, and royalties paid to residents of signatory countries. In practical terms, a double tax agreement (DTA) divides taxing rights between Mexico and the other contracting state, preventing the same income from being fully taxed by both jurisdictions. For an individual who is resident in Mexico but continues to receive a pension, investment income, or rental proceeds from their country of origin, the applicable treaty determines which country holds primary taxing rights — and in most cases provides for either a credit or an exemption in the other jurisdiction.

Mexico’s foreign tax credit system allows resident taxpayers to deduct income taxes already paid abroad from the amount owed to the SAT — in essence, Mexico acknowledges the overseas payment and limits its own charge to any residual difference. The DTA network, which covers the United States, Canada, and the majority of European nations among others, reinforces this protection by clearly allocating income between contracting states.

Accessing treaty benefits requires careful compliance — it is not automatic. The SAT demands formal certification of tax residency and proper attribution of income, and any errors can result in treaty protection being denied. Residing in Mexico does not by itself activate treaty entitlements; you must affirmatively claim those benefits and submit the required supporting documents. A tax adviser well-versed in both Mexican rules and those of your home country is therefore particularly valuable.

Multilateral Instrument (MLI) provisions are generally effective for withholding taxes from 1 January 2024, and for other taxes in fiscal years beginning on or after that date, subject to the matching positions adopted by each treaty partner. Certain older treaties have accordingly been amended under the OECD’s Base Erosion and Profit Shifting (BEPS) framework. Always verify the current status of the treaty relevant to your situation via the SAT portal or a qualified adviser.

What taxes do expats need to pay in Mexico?

The following overview covers the principal taxes that expats living in Mexico are likely to encounter. All rates should be confirmed against current SAT publications, as tax bands are periodically revised to account for inflation.

Income Tax (ISR — Impuesto Sobre la Renta)

Tax rates are progressive and differ depending on whether you are a resident or non-resident. The highest marginal income tax rate for resident individuals stands at 35% (as of 2024–2025). The rate structure starts at 1.92% on the lowest income band and climbs through multiple brackets. In broad structural terms this resembles the progressive approach used in France or Germany, though the specific thresholds are different. The 2024 income tax bands for resident individuals begin at 0–MXN 8,952.49 taxed at 1.92%, rising through rates of 6.40%, 10.88%, 16.00%, 17.92%, 21.36%, 23.52%, and 30.00%, up to the ceiling of 35%. Always refer to the SAT website for the latest annual bands, as the figures are updated each year.

Non-residents are subject to tax at 15% or 30% on their Mexican-source income, with the first MXN 125,901 generally exempt in most circumstances (as of recent years). Non-residents earning employment income sourced in Mexico are taxed on that income at rates ranging from 15% to 30%.

Capital Gains Tax

Mexican tax residents are liable for tax on worldwide capital gains arising from disposals of shares, securities, real property, and other assets. Taxpayers calculate a 10% levy on net gains from securities at the close of the tax year, using data supplied by brokers. Non-tax residents are liable only on capital gains from the sale of assets located in Mexico, and may choose to apply either a flat rate of 25% to gross proceeds or 35% to the net gain.

Gains from the sale of a principal private residence are exempt from tax provided the taxpayer can demonstrate that they did not claim the same exemption on another property disposal within the preceding three years. This relief can be significant for homeowners in Mexico, but eligibility requirements must be satisfied — consult the SAT or a tax professional for current conditions.

Wealth, Inheritance, and Gift Taxes

Mexico imposes no inheritance, estate, gift, wealth, or stamp duties. This represents a meaningful advantage relative to many other countries — Spain, France, and the United Kingdom among them — where such taxes can substantially erode the value of assets transferred between individuals. No equivalent charge applies at the federal level in Mexico, which simplifies estate planning considerably.

Property Tax (Predial)

Property owners in Mexico face a one-off acquisition tax on the purchase of real estate, ranging from 2% to 4.5% depending on the municipality, along with an annual property tax known as predial, the rate of which varies according to the value, size, and location of the property. Annual predial bills for typical residential properties rarely exceed approximately USD $300. Rental income from property is also subject to income tax; a monthly rental income tax is generally applied at around 25%.

Value Added Tax (IVA)

Mexico’s value added tax — known locally as IVA (Impuesto al Valor Agregado) — applies to the supply of goods and services. The standard rate is 16%; a reduced rate of 8% applies to goods and services supplied within Mexico’s designated northern and southern border regions; and a zero rate applies to certain essentials including food, medicines, books, newspapers, and gold (as of 2025).

Social Security Contributions (IMSS)

Employees working in Mexico contribute to the Instituto Mexicano del Seguro Social (IMSS), along with their employer. State-level payroll taxes are borne entirely by the employer and range from 1% to 3% of salary depending on the location of the business. Social security contributions are subject to ceilings expressed as multiples of the UMA (Unidad de Medida y Actualización); for 2024, the maximum annual employer contributions per employee — inclusive of Housing Fund and mandatory pension costs — were approximately MXN 189,804. Self-employed residents should seek separate advice on their IMSS obligations, as the rules differ from those governing employed individuals.

Dividends

An additional withholding tax of 10% applies to dividend payments. Where dividends are paid by Mexican companies, the tax withheld by the distributing entity is treated as final, and individuals are nonetheless required to declare the dividend income in their annual return.

Are there any tax breaks or special regimes for expats in Mexico?

Mexico does not offer a purpose-built expat tax regime of the kind seen elsewhere — such as Portugal’s former Non-Habitual Resident programme, Italy’s flat-tax arrangement for incoming residents, or Greece’s alternative tax scheme for foreign retirees. There is no remittance basis under which only funds brought into Mexico are taxable, nor a formal non-domicile category. That said, a number of provisions deliver real relief for those arriving from abroad.

Foreign tax credits. Mexico has built several mechanisms into its system to shield residents from genuine double taxation. The foreign tax credit allows Mexican tax residents to offset income taxes paid in another country against the amount they owe the SAT. This operates in a manner similar to the foreign tax credit systems found in Australia and Canada, granting credit for taxes paid overseas up to the Mexican tax liability on the same income.

Short-stay exemption for employment income. Salary and personal services income paid by a non-resident individual or entity is exempt from Mexican tax where the services are not connected to a permanent establishment in Mexico operated by the non-resident payer, and where those services are rendered for fewer than 183 days — which need not be consecutive — within any twelve-month period. This provision can be useful for those exploring Mexico as a potential base before committing to full residency.

Primary residence capital gains exemption. A one-time exemption under Article 92, Fraction XIX of Mexican income tax law can reduce tax on the disposal of a family home — available up to every two years for qualifying properties. To access this relief, you must hold a Mexican tax ID (RFC) and the property must satisfy specified criteria.

Border region VAT reduction. Individuals living and working in Mexico’s designated northern and southern border zones can benefit from a border-region IVA stimulus that applies a rate of 8% — rather than the standard 16% — to eligible goods and services purchased within those areas.

Where no dedicated expat regime exists, the most effective approach for new arrivals involves maximising the protections afforded by applicable DTAs, timing the establishment of tax residency thoughtfully, and making full use of available personal deductions. Mexico permits deductions for medical costs, certain educational fees, charitable donations, and mortgage interest — but all must be supported by an official factura (electronic tax invoice). Consult the SAT website for the current schedule of allowable deductions and any applicable caps.

How and when do expats file a tax return in Mexico?

Mexico’s tax year runs from 1 January to 31 December, and the annual individual return must be submitted by 30 April of the following year. Spouses are assessed independently of one another, and extensions to the filing deadline are not generally available under standard rules (as of 2024–2025). As a general rule, annual income exceeding MXN 400,000 triggers a filing obligation, though you should always verify current thresholds and requirements directly with the SAT, as these figures are subject to change.

Before filing is possible, you must register with the SAT and obtain your RFC (Registro Federal de Contribuyentes — Federal Taxpayers Registry number). The RFC is a unique alphanumeric code that identifies every individual or entity carrying out economic activity in Mexico in respect of which taxes are due or collected. Foreign residents can apply for an RFC once they hold a temporary or permanent residency visa.

The step-by-step process for registering and filing as a foreign resident is as follows:

1. Obtain your residency visa. Foreign nationals must first secure residency status in Mexico before proceeding. Once a residency card is issued, it will display your CURP (Clave Única de Registro de Población — a national population registry number), which is required for subsequent steps.
2. Apply for your RFC. You can register for the RFC either through SAT’s online portal or by booking an appointment at a local SAT office and attending in person with your passport, residency card, and proof of address.
3. Set up your e.Firma (digital signature). The e.Firma is a biometric cryptographic credential that can only be created during an in-person visit to a SAT office. It constitutes your legally recognised digital identity in Mexico and is required for submitting returns electronically and issuing invoices.
4. Gather your income documentation. As a tax resident you must account for both Mexican and overseas income. Assemble payslips, investment account statements, pension award letters, and any foreign tax certificates. Collect official facturas for all expenses you intend to deduct.
5. File your annual return online or in person. Returns can be submitted electronically via the SAT portal (using your e.Firma) or lodged in person at a SAT office. Log in to the SAT Portal, navigate to Declaraciones → Servicio de Declaraciones y Pagos (DyP), authenticate with your RFC and password or e.Firma, and select the relevant filing period and obligation.
6. Settle any outstanding tax. All tax due on your annual return must be paid by the 30 April deadline. Underpayment generates surcharges and inflation-linked adjustments. Failure to file when required can result in fines and further legal consequences imposed by the SAT.

The SAT’s processes have become increasingly digital, though navigating the system entirely in Spanish can be daunting for new arrivals. Engaging a local accountant (contador) with experience of foreign residents is strongly advisable. Always refer to www.sat.gob.mx for current forms, deadlines, and SAT office locations.

What are the tax implications of leaving Mexico?

If you have become a Mexican tax resident and subsequently decide to relocate, there are important obligations to address before and after your move. Unlike certain other countries — Canada, for instance, which charges a deemed disposition tax on worldwide assets at the point of emigration — Mexico does not apply a formal exit tax to unrealised capital gains when you leave. However, you are required to formally notify the SAT of your change in residency status, and neglecting to do so can leave ongoing tax obligations in place.

Notifying the SAT of your departure. You must inform the SAT that you are establishing tax residency in your destination country. Where the SAT requires supporting evidence of the residency change, you can submit a tax residency certificate issued by the foreign tax authority in your new country, or other documentation confirming that you have settled there as a tax resident.

Filing a final return. You are generally required to submit a final annual return for the year in which your Mexican tax residency ends. This return must cover all income received up to the date residency ceased. Any outstanding tax must be cleared at this stage, and you should retain the SAT’s confirmation of compliance for your records.

Ongoing obligations after departure. Leaving Mexico does not extinguish your liability for Mexican-source income received thereafter. If, for example, you continue to receive rental income from a property in Mexico, you will remain subject to Mexican income tax on that income as a non-resident. Non-residents earning income from Mexican sources — including rental receipts and investment returns — must file returns in respect of that income.

Foreign exchange gains. Currency fluctuation gains represent an often-overlooked area of exposure. If you hold accounts denominated in foreign currencies or regularly convert funds, movements in exchange rates may give rise to taxable income — a liability that catches many expats off guard. This risk is present both during residency and potentially in the year of departure, so specific advice is warranted if you hold material foreign currency balances.

Working with a Mexican tax professional to manage the departure process, clear all outstanding liabilities, and obtain formal confirmation from the SAT that your residency registration has been closed is strongly recommended. Retain all correspondence and filed returns for at least five years after leaving, as the SAT retains the power to audit prior years.

Practical tips for managing taxes as an expat in Mexico

• Monitor your days closely. The 183-day residency threshold accumulates across all time spent in Mexico during the calendar year — holiday trips, property viewings, and settled residence alike. Maintain a straightforward travel log supported by arrival and departure stamps and boarding passes from the outset.
• Register for your RFC promptly. Expats who delay obtaining an RFC may find themselves unable to open bank accounts, purchase property, or establish utilities, and risk penalties for non-compliance. Apply as soon as your residency card has been issued.
• Always request a factura. An official factura is an electronic tax invoice linked to the RFC of both seller and buyer. Any expense you wish to claim as a deduction for income tax purposes must be supported by a valid factura — an ordinary receipt will not be accepted.
• Engage with your DTA before you arrive. Do not leave double taxation planning until the time of filing. Establish before you relocate whether your home country has a treaty with Mexico, and clarify which jurisdiction holds primary taxing rights over each category of income you receive. This understanding allows foreign executives and skilled workers to structure their affairs from the start, avoiding adverse tax outcomes.
• Take advice before disposing of assets. The tax treatment of a sale — whether of Mexican real estate or overseas assets — depends on your residency status, the nature of the asset, and any applicable DTA. Seek professional advice prior to completing any transaction, as restructuring options are typically unavailable once a deal has closed.
• Understand currency fluctuation risks. In years when significant exchange rate movements exceed Mexico’s inflation rate, taxpayers may face substantial income tax charges even where they have earned little or no nominal interest on foreign holdings. This is a particular concern for those maintaining savings or investments in non-peso currencies.
• Renew your e.Firma on schedule. The e.Firma requires renewal every four years. Allowing it to lapse can cut off your access to SAT’s online services and make it difficult to file returns or issue electronic invoices.
• Engage a specialist adviser. Mexico’s entire tax administration operates in Spanish, and the SAT’s processes — including the annual Miscellaneous Tax Resolution — are revised regularly. Working with a tax consultant or legal adviser who specialises in Mexican taxation and international treaties will help you remain compliant and take full advantage of available reliefs.

Frequently asked questions

When does a person become a tax resident in Mexico?

Tax residency arises when an individual has been present in Mexico for more than 183 days within a given calendar year, or has established a permanent home there. The 183 days need not be consecutive — every day spent in Mexico during the year is counted cumulatively. Even if you fall below that threshold, you may still be treated as a resident if Mexico constitutes your “centre of vital interests” — for instance, where more than half of your annual income derives from Mexican sources.

Does Mexico tax worldwide income?

Yes. Individuals who qualify as tax residents in Mexico must report and pay tax on their worldwide income. All earnings from any global source — foreign pensions, rental receipts from overseas properties, dividends from foreign shareholdings, and interest from foreign bank accounts — must be declared to the SAT. Non-residents are also required to file, but only in respect of income that originates within Mexico.

Is there an inheritance or gift tax in Mexico?

Mexico levies no inheritance, estate, gift, wealth, or stamp taxes. This stands in clear contrast to the position in many other countries. It should be noted, however, that if inherited assets — such as Mexican property — subsequently produce income, the normal income tax rules will apply to earnings generated by those assets.

How are foreign pensions taxed in Mexico?

Where you are a Mexican tax resident, overseas pension income forms part of your worldwide income and is in principle subject to ISR at the progressive rates applicable to residents. The position may differ under the relevant double taxation agreement between Mexico and your home country, which might assign primary taxing rights to your country of origin or provide a credit against Mexican tax. The US–Mexico treaty, for example, addresses pensions and social security income to prevent double taxation. You should review the specific DTA applicable to your country of origin.

What is the RFC and why do I need one?

The RFC (Registro Federal de Contribuyentes) is a unique identification code assigned to every individual or entity carrying out taxable economic activity in Mexico. It is indispensable for filing tax returns, issuing and receiving electronic invoices (facturas), conducting financial transactions such as opening bank accounts, and completing various legal and administrative formalities. Foreign residents may apply for an RFC once they hold a temporary or permanent residency visa.

What is the deadline for filing an annual tax return in Mexico?

Individual taxpayers in Mexico must submit their annual return by 30 April of the year following the relevant tax year (as of 2024–2025). The tax year runs from 1 January to 31 December. Extensions are not generally granted to individuals. Late submission attracts fines and surcharges. Always confirm the current deadline on the SAT website before the filing season begins.

Does Mexico have a minimum income threshold below which no return is required?

As a general rule, annual income exceeding MXN 400,000 triggers a filing obligation, though the precise requirements depend on your residency status and the nature and source of your income. Individuals whose sole income is employment income from which tax has been fully withheld at source by their employer may not be required to file a separate return, but confirming your specific position with a qualified accountant is always advisable. Check the SAT website for current thresholds.

What happens if I don’t formally deregister when leaving Mexico?

Departing Mexico without notifying the SAT of your change of tax residency means you may continue to be classified as a Mexican tax resident, leaving the SAT entitled to expect annual returns and payment of tax on worldwide income. When you leave, you should formally notify the SAT and, where required, supply a tax residency certificate from the foreign tax authority in your new country or equivalent documentation confirming that you have established residency there. Retaining clear evidence of your departure date and your new tax status abroad is essential to avoid future disputes.