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

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Updated Jun 10, 2026

# Which blocs and alliances does Lithuania belong to?

Every diplomatic bloc and alliance Lithuania 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

[Estonia](https://modeldiplomat.com/country/est)[Latvia](https://modeldiplomat.com/country/lva)[Poland](https://modeldiplomat.com/country/pol)[United States](https://modeldiplomat.com/country/usa)[Germany](https://modeldiplomat.com/country/deu)

Rivals

[Russia](https://modeldiplomat.com/country/rus)[Belarus](https://modeldiplomat.com/country/blr)

## Organisation memberships

Memberships

Organizations

5

UNUNmember · 1991

NATONATOmember · 2004

EUEUmember · 2004

OSCEOSCEmember

CoECoEmember · 1993

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Explore more on Lithuania

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