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Living across South America: Mercosur residence for new Argentines

Argentine citizenship can open residence rights in eight other South American countries. For citizens by investment there is a five-year wait written into the treaty itself, and most marketing material leaves it out.

Updated 8 min readSourced from official announcements

Key facts

  • Central caveat: naturalised Argentines qualify only after holding the nationality for 5 years (Article 2).
  • Applied by Argentina, Brazil, Paraguay, Uruguay, Bolivia, Chile, Colombia, Ecuador and Peru.
  • Grants temporary residence for up to 2 years, convertible to permanent residence.
  • The DNI is a valid travel document in 8 South American countries from day one.
  • More favourable national laws still apply (Article 11). Uruguay is one example.

The Mercosur Residence Agreement is one of the most useful and least understood benefits of Argentine nationality. It lets a citizen of one participating state live and work in another with little more than proof of nationality and a clean record.

For a new citizen by investment, however, the benefit does not start on the day the passport arrives. This guide explains the rule, the wait, and what you can do in the meantime.

What the Agreement is

The Acuerdo sobre Residencia para Nacionales de los Estados Partes del Mercosur was signed in Brasília on 6 December 2002. Argentina approved it through Ley 25.903 in 2004. It is now applied by nine countries:

Applies the Agreement Does not apply it
Argentina, Brazil, Paraguay, Uruguay, Bolivia, Chile, Colombia, Ecuador, Peru Venezuela, Guyana, Suriname

The idea is simple. Nationality, not a job offer or an investment, is the qualifying condition. A national of one participating state can ask for residence in another, either through a consulate before travel or with the migration authority after arrival.

The five-year rule for naturalised citizens

This is the point that matters most for investors.

Article 2 of the Agreement defines who counts as a “national of a Party”. It covers two groups:

  1. people who hold the original nationality of a participating state (in Argentina, citizens by birth or by option); and
  2. people who acquired nationality by naturalisation and have held it for five years.

Citizenship through Argentina’s investment programme is a form of naturalisation. The five-year clock therefore starts on the date you become Argentine. A citizen naturalised in 2027 would generally be able to rely on the Agreement from 2032.

In practice. Do not buy Argentine citizenship in the expectation of moving to Brazil, Chile or Uruguay under Mercosur rules next year. Plan for those rights as a medium-term benefit, and check each country's national law for anything more generous.

Two further points follow:

  • Your children may be in a different position. A child born in Argentina is an Argentine citizen by birth, with no five-year wait. A child naturalised with you under the programme is subject to the same rule as you.
  • The rule protects the system. Without it, any participating state could sell nationality and, with it, residence across the region. The five-year condition limits that risk, and it is one reason the Agreement has lasted.

What you can do from day one

The wait applies to residence, not to travel. As an Argentine citizen, including a naturalised one, you can use your DNI (national identity card) as a travel document in:

  • Bolivia, Brazil, Chile, Colombia, Ecuador, Paraguay, Peru and Uruguay.

That is useful for short business trips and family visits across the region, without a passport. Normal visitor rules on length of stay apply in each country.

You can also apply for residence in any of these countries under its ordinary immigration law, as any foreigner can. In some cases your original nationality may give you a better route than your new Argentine one.

More favourable national laws

Article 11 of the Agreement says it applies without prejudice to national rules that are more favourable to migrants. Several countries have gone further than the treaty.

Uruguay is the clearest example. Article 33 of its Migration Law (Ley 18.250), as amended in 2014 and 2022, grants permanent residence to nationals of Mercosur member and associated states who prove their nationality. The wording does not repeat the treaty’s five-year condition. Whether Uruguay’s migration authority applies the law that broadly to a recently naturalised Argentine is a question for a Uruguayan lawyer or consulate before you rely on it.

Practice in other states differs, and it can change by decree. Ask the consulate of the destination country directly, and get the answer in writing if you can.

What Mercosur residence gives you, once you qualify

When the five years have passed, or if you hold Argentine nationality by origin, the Agreement offers a straightforward package.

Temporary residence for up to two years

Article 4 lists the documents: a valid passport or identity document, a birth certificate, criminal record certificates from your country of origin and from countries where you previously lived, a sworn statement on international records, a medical certificate where the destination requires one, and payment of fees.

Permanent residence after that

Under Article 5, you can convert temporary residence to permanent residence if you apply within the 90 days before the temporary permit expires. You must show lawful means of support and a clean local record.

Rights while resident

Article 9 sets out the rights. Residents enjoy:

  • the same civil, social, cultural and economic rights and freedoms as nationals of the host country;
  • the right to work, with treatment no less favourable than nationals on wages, working conditions and social security;
  • family reunification, with family members receiving residence for the same period;
  • the right to transfer personal income and savings to their home country; and
  • for their children, the right to registration, nationality and access to education on equal terms with nationals.

Mercosur residence and naturalisation elsewhere

Residence under the Agreement is lawful residence. In most participating countries it counts towards ordinary naturalisation. In Brazil, for example, the ordinary route needs four years of residence and Portuguese language ability. In Argentina itself, it needs two continuous years. A family that wants more than one South American passport can plan a sequence: Argentine citizenship first, then, after five years, residence in a second country and naturalisation there. See Argentina vs Brazil.

Tax and practical points

Moving under Mercosur residence can create tax residence in the host country. Argentina itself taxes residents on worldwide income at rates of 5% to 35%, and the same principle applies in most of the region. Naturalisation in Argentina alone does not make you an Argentine tax resident, but living somewhere does. Speak to a qualified tax adviser before you move.

Keep your documents ready. Criminal record certificates often need an apostille and a sworn translation into Spanish or Portuguese, and they expire quickly.

Argentina’s investment route rests on DNU 366/2025, which the Cámara Nacional Electoral declared unconstitutional on 30 June 2026. The government has appealed to the Supreme Court. If the Court upholds the ruling, the programme may need a new legal basis. See our legal status briefing and the full Argentine passport guide. For family planning, see family members.

Sources

Frequently asked questions

Can I use the Mercosur Residence Agreement as soon as I become Argentine by investment?

Generally no. Article 2 of the Agreement covers naturalised nationals only after they have held that nationality for five years. Until then you need each country's ordinary immigration rules, although some national laws may be more generous.

Which countries apply the Mercosur Residence Agreement?

Argentina, Brazil, Paraguay, Uruguay, Bolivia, Chile, Colombia, Ecuador and Peru. Venezuela, Guyana and Suriname do not apply it.

Can I travel to other South American countries with an Argentine DNI?

Yes. The Argentine national identity card (DNI) is accepted as a travel document in Bolivia, Brazil, Chile, Colombia, Ecuador, Paraguay, Peru and Uruguay. This applies to all Argentine citizens, including naturalised ones.

What rights does Mercosur residence give?

Temporary residence for up to two years, convertible to permanent residence, with the right to work and equal treatment with nationals in civil, social, cultural and economic rights. Family members can receive residence for the same period.

Does Mercosur residence affect my taxes?

It can. Living in another country under Mercosur residence may make you tax resident there under that country's rules. Speak to a qualified tax adviser before you move.

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