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

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Updated Jun 10, 2026

# Which blocs and alliances does Portugal belong to?

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

## Bloc memberships

[EU27](https://modeldiplomat.com/country/bloc/eu)

[27](https://modeldiplomat.com/country/bloc/eu)

[27-member political and economic union with a single market and shared institutions.](https://modeldiplomat.com/country/bloc/eu)

[+22](https://modeldiplomat.com/country/bloc/eu)

[NATO](https://modeldiplomat.com/country/bloc/nato)

[32](https://modeldiplomat.com/country/bloc/nato)

[North Atlantic Treaty Organization — 32-member transatlantic defensive alliance.](https://modeldiplomat.com/country/bloc/nato)

[+27](https://modeldiplomat.com/country/bloc/nato)

[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)

## Allies, rivals & neighbours

Allies

[Spain](https://modeldiplomat.com/country/esp)[Brazil](https://modeldiplomat.com/country/bra)[United States](https://modeldiplomat.com/country/usa)[United Kingdom](https://modeldiplomat.com/country/gbr)[France](https://modeldiplomat.com/country/fra)

## Organisation memberships

Memberships

Organizations

4

UNUNmember · 1955

EUEUmember · 1986

NATONATOfounding-member · 1949

CCfounding-member · 1996

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Explore more on Portugal

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