Can I Drive in Brazil With a US License?
Americans arrive expecting one worldwide driving document. There are three, written into three different treaties, and the United States and Brazil sit in different ones.
By Jeff Bruno
· Editor, Curitiba
In this article
Yes. The license your state issued is the document Brazil works from, for up to 180 days counted from the day you land, and nothing bought before the trip stands in for it.
What confuses it is an assumption almost every American brings: that one international driving document exists. It does not. Three treaties each define a booklet of their own, and Brazil and the United States are not in the same one.
Your license and a Brazilian road share no UN treaty
Two conventions written under the United Nations set the terms for driving on another country's roads, and the two countries took one each. The United States ratified the 1949 convention, concluded at Geneva, on 30 August 1950. Brazil ratified the 1968 convention, concluded at Vienna, and never joined the Geneva one.
Neither appears on the other's roll. On the depositary's live page for Vienna, read on 27 August 2026, "United States" returns nothing anywhere on the page: the alphabetical run goes Ukraine, United Arab Emirates, United Kingdom, Uruguay. Brazil is on that page and absent from Geneva's.
Each convention defines a booklet of its own, circulating among the countries that joined it. So the useful question was never do I need an international permit, but which treaty do my country and Brazil have in common.
At a glanceChecked 27 August 2026
- 1943 Inter-American Convention
- Both countries
- 1949 Geneva Convention
- The United States, not Brazil
- 1968 Vienna Convention
- Brazil, not the United States
- What Brazil works from
- Your own license, valid where issued
- The permit Brazilian rule names
- The Vienna Convention's
- What Washington advises instead
- The Inter-American Driving Permit
Treaties in Force 2026 (US Department of State); OAS treaty C-11; UN Treaty Collection XI-B-1 and XI-B-19; CONTRAN Resolution 1,020/2025, art. 102. Read 27 August 2026.
The treaty the two countries do have in common
It is older than either UN convention and almost nobody writing in English mentions it. The Convention on the Regulation of Inter-American Automotive Traffic opened for signature at the Pan American Union in Washington on 15 December 1943, catalogued C-11 by the Organization of American States, its depositary. The depositary table shows Brazil depositing on 8 January 1945, the United States on 29 October 1946, and no withdrawal since.
Geneva 1949 did supersede this convention, but the clause doing it is limited — and Washington prints the limit itself. Under Multilateral Treaties in Force as of January 1, 2026, the State Department lists the 1943 convention as in force and attaches the note: "Replaced by convention of September 19, 1949, on road traffic ... as between contracting parties to the later convention." Brazil is not one of those parties, so between these two countries nothing was replaced.
Even here the booklet is optional by design: Article XIII lets a receiving country require a special international driving license "if the State so elects" — a choice offered, never a duty imposed.
What Washington actually advises for Brazil
The State Department's country page for Brazil does not name an International Driving Permit at all. It says: "You should obtain an Inter-American Driving Permit to carry with your valid U.S. license if you plan to stay more than 180 days and drive in Brazil." That is the 1943 document — the coherent advice, given the only treaty the two governments share.
Two cautions come with it. We read that sentence in the Internet Archive's copy of 13 July 2026, stamped by the page itself on 20 August 2025, because the live address answered a Cloudflare challenge from two networks. And the advice is keyed to a stay over 180 days — exactly where Brazilian rule stops running on any foreign license, and no permit fills the hole. The full picture for foreign drivers covers that crossing, under driving.
What Brazilian rule puts in your pocket
The rule is CONTRAN Resolution 1,020/2025, article 102, in force since the federal gazette of 9 December 2025. Paragraph 3 lists what a foreign driver carries, and its second item is where this subject lives: an international permit accompanied by the foreign license, both valid, quando se tratar de documentos expedidos por Parte Contratante da Convenção de Viena sobre Trânsito Viário de 1968 — when the documents were issued by a contracting party to the 1968 Vienna Convention. Pages in English routinely quote that item and stop at the comma.
The rest of the resolution reads the same way. In the full text, read on 27 August 2026, Viena appears three times and Genebra not once; and of a permit issued in Brazil it says outright that the permit cannot stand in for the national license. The document itself — what it prints, how long it lasts, why it expires the day you move here — is the permit guide.
Set that second item beside the treaty lists and a conclusion seems to write itself. We are not writing it. Brazil has published nothing on how an officer at the roadside applies the condition; the four items are strung together with e, "and", which a reader can take as a sum rather than a menu; and the counter handing you the keys belongs to a rental company, outside the traffic system entirely, asking whatever its contract asks — what the chains publish is their own list, and the card behind the deposit is another. Carrying the booklet breaks nothing and replaces nothing.
Sources
- CONTRAN — Resolution 1,020/2025, art. 102, Diário Oficial da União, 9 December 2025. gov.br (read 27 August 2026)
- US Department of State — Treaties in Force 2026, transportation section. state.gov (read 27 August 2026)
- Organization of American States — treaty C-11, deposits and reservations. oas.org (read 27 August 2026)
- Organization of American States — treaty C-11, English text, Article XIII. oas.org (read 27 August 2026)
- United Nations Treaty Collection, chapters XI-B-19 and XI-B-1. treaties.un.org (read 27 August 2026)
- US Department of State — country page for Brazil, Internet Archive copy of 13 July 2026. web.archive.org (read 27 August 2026)
How each was checked is on how we research; Jeff Bruno writes from Curitiba. The shelf is all guides; paying for things is money.
What we could not verify
- What the live State Department page says today. Its address answered an HTTP 403 challenge from two networks, and we do not work around those. The Internet Archive holds no successful copy newer than 13 July 2026.
- Whether any Brazilian authority has ever invoked the 1943 convention. The resolution governing foreign drivers names Vienna three times and never names it — but that is one federal resolution and one state licensing authority, not the twenty-seven.
- How that second item is applied at a stop. Nothing from Senatran came up in our search, and an absence found this way is weak evidence, not proof.
Frequently asked
Yes, for up to 180 days from the day you entered the country, and only while the license is still valid at home.
The Inter-American Driving Permit, not the international one. It comes from the 1943 treaty both countries still hold.
No. Every rule and treaty here pairs the two documents; nothing sold to a traveler replaces the license your state issued.
Brazil's rule speaks of the country where the driver is licensed, and treaties bind countries. Which state printed the card is not the question.
Jeff Bruno
Curitiba, Paraná
Runs online retail in Brazil. Pays suppliers by PIX, ships through the Correios, crosses to Paraguay for stock.
About the author →Every guide names its sources
And says what it could not verify. That is the whole point.
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