Annan Plan Cyprus

Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

A 2002–2004 UN-brokered proposal to reunify Cyprus as a bizonal, bicommunal federation, rejected by Greek Cypriots and approved by Turkish Cypriots in twin referendums.
Why did Greek Cypriots reject the Annan Plan?
Did the plan affect Cyprus's EU accession?
Has a similar plan been proposed since?

Updated June 22, 2026

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Timeline

24 April 2004
The final version (Annan V) was put to simultaneous referendums in the Greek Cypriot south and Turkish Cypriot north on , one week before Cyprus's accession…
1 May 2004
As a result, only the Republic of Cyprus (effectively the Greek Cypriot south) acceded to the EU on , with the acquis communautaire suspended in the north un…

Research it like a delegate

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On 24 April 2004, Greek Cypriot voters rejected the Annan Plan by roughly 76% while Turkish Cypriots approved it by about 65%, leaving only the south to join the EU a week later.

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Timeline

24 April 2004

The final version (Annan V) was put to simultaneous referendums in the Greek Cypriot south and Turkish Cypriot north on , one week before Cyprus's accession…

1 May 2004

As a result, only the Republic of Cyprus (effectively the Greek Cypriot south) acceded to the EU on , with the acquis communautaire suspended in the north un…

Research it like a delegate

The Annan Plan was a comprehensive UN proposal to reunify Cyprus, which had been divided since the 1974 Turkish military intervention following a Greek-junta-backed coup. Named after then-UN Secretary-General Kofi Annan, the plan went through five successive revisions between November 2002 and March 2004. The final version (Annan V) was put to simultaneous referendums in the Greek Cypriot south and Turkish Cypriot north on 24 April 2004, one week before Cyprus's accession to the European Union.

The proposal would have created the United Cyprus Republic, a bizonal, bicommunal federation modeled loosely on the Swiss confederal system. Key features included:

A federal government with a rotating presidency and a Senate split 50/50 between the two communities
Two constituent states (Greek Cypriot and Turkish Cypriot) with significant autonomy
Phased territorial adjustments returning roughly 7% of land from the Turkish Cypriot side to Greek Cypriot administration
Limits on the right of return and property restitution for displaced persons
Continued presence of Greek and Turkish troops under the 1960 Treaty of Guarantee, with gradual drawdown
Demilitarization provisions and an EU-compatible legal framework

The outcome was asymmetric: Turkish Cypriots approved the plan with roughly 65% in favor, while Greek Cypriots rejected it with about 76% against. As a result, only the Republic of Cyprus (effectively the Greek Cypriot south) acceded to the EU on 1 May 2004, with the acquis communautaire suspended in the north under Protocol 10 of the Accession Treaty.

Greek Cypriot opposition, led by President Tassos Papadopoulos, centered on security guarantees, the pace of Turkish settler departures, and perceived inadequate property rights. The failure entrenched the status quo, and subsequent reunification talks—including the 2017 Crans-Montana conference under Secretary-General António Guterres—have not produced a comparable settlement framework.

Frequently asked questions

Why did Greek Cypriots reject the Annan Plan?

President Tassos Papadopoulos and others objected to continued Turkish troop presence, limits on refugee return and property restitution, and concerns that Turkish Cypriot settlers from Anatolia would remain.

Did the plan affect Cyprus's EU accession?

Yes. Cyprus joined the EU on 1 May 2004, but because reunification failed, EU law (the acquis) was suspended in the Turkish-controlled north under Protocol 10 of the Accession Treaty.

Has a similar plan been proposed since?

Negotiations resumed periodically, most notably at Crans-Montana in 2017 under UN Secretary-General António Guterres, but collapsed without agreement on security and guarantor issues.