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

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

Updated Jun 10, 2026

# Which blocs and alliances does Mexico belong to?

Every diplomatic bloc and alliance Mexico 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)

[OECD](https://modeldiplomat.com/country/bloc/oecd)

[38](https://modeldiplomat.com/country/bloc/oecd)

[Organisation for Economic Co-operation and Development — 38 high-income democracies.](https://modeldiplomat.com/country/bloc/oecd)

[+33](https://modeldiplomat.com/country/bloc/oecd)

[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

[Colombia](https://modeldiplomat.com/country/col)[Chile](https://modeldiplomat.com/country/chl)[Peru](https://modeldiplomat.com/country/per)[Spain](https://modeldiplomat.com/country/esp)

## Organisation memberships

Memberships

Organizations

5

UNUNfounding-member · 1945

G20G20member

OOmember · 1994

PAPAfounding-member · 2012

CCmember

[Back to Mexico profile](https://modeldiplomat.com/country/mexico)

Explore more on Mexico

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