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

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Updated Jun 10, 2026

# Which blocs and alliances does Ireland belong to?

Every diplomatic bloc and alliance Ireland 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)

[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

[United Kingdom](https://modeldiplomat.com/country/gbr)[United States](https://modeldiplomat.com/country/usa)[France](https://modeldiplomat.com/country/fra)[Germany](https://modeldiplomat.com/country/deu)[Netherlands](https://modeldiplomat.com/country/nld)

## Organisation memberships

Memberships

Organizations

4

UNUNmember · 1955

EUEUmember · 1973

CoECoEmember · 1949

OSCEOSCEmember

[Back to Ireland profile](https://modeldiplomat.com/country/ireland)

Explore more on Ireland

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