---
title: "Brazil Blocs & Alliances | Model Diplomat"
description: "Every diplomatic bloc and alliance Brazil belongs to — and the allies, rivals, and neighbors that shape its votes."
url: "https://modeldiplomat.com/country/brazil/blocs-alliances"
---

[New](https://modeldiplomat.com/)

Updated Jun 10, 2026

# Which blocs and alliances does Brazil belong to?

Every diplomatic bloc and alliance Brazil belongs to — and the allies, rivals, and neighbors that shape its votes.

## Bloc memberships

[G20](https://modeldiplomat.com/country/bloc/g20)

[19](https://modeldiplomat.com/country/bloc/g20)

[Premier forum for international economic cooperation, \~85% of global GDP.](https://modeldiplomat.com/country/bloc/g20)

[+14](https://modeldiplomat.com/country/bloc/g20)

[BRICS+](https://modeldiplomat.com/country/bloc/brics-plus)

[9](https://modeldiplomat.com/country/bloc/brics-plus)

[Emerging-economy bloc; expanded in 2024 with new members from Africa and the Gulf.](https://modeldiplomat.com/country/bloc/brics-plus)

[+4](https://modeldiplomat.com/country/bloc/brics-plus)

[OAS](https://modeldiplomat.com/country/bloc/oas)

[35](https://modeldiplomat.com/country/bloc/oas)

[Principal political forum of the Western Hemisphere — 35 member states.](https://modeldiplomat.com/country/bloc/oas)

[+30](https://modeldiplomat.com/country/bloc/oas)

## Allies, rivals & neighbours

Allies

[Argentina](https://modeldiplomat.com/country/arg)[South Africa](https://modeldiplomat.com/country/zaf)[India](https://modeldiplomat.com/country/ind)

## Organisation memberships

Memberships

Organizations

4

UNUNfounding-member · 1945

BRICSBRICSfounding-member

MERCMERCfounding-member · 1991

G20G20member

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[Treaties](https://modeldiplomat.com/country/brazil/treaties)[Background](https://modeldiplomat.com/country/brazil/background)[Politics & democracy](https://modeldiplomat.com/politics/brazil)