United Federation of Planets » Federation Members

Founding members:

The founding ceremony of the Federation in 2161
The founding ceremony of the Federation in 2161
Andoria:
Homeworld of the Andorians and the Andorian Empire
Earth:
Homeworld of the Humans and United Earth.
Tellar Prime:
Homeworld of the Tellarites.
Vulcan:
Homeworld of the Vulcans and the Vulcan High Command.

Council members:

A sitting of the Federation Council
A sitting of the Federation Council
The following are members of the Federation who are known to be on the Federation Council.
Arcadian homeworld
Homeworld of the Arcadians.
Ariolo homeworld
Homeworld of the Ariolo.
Bzzit Khaht homeworld
Homeworld of the Bzzit Khaht.
Caitian homeworld
Homeworld of the Caitians.
Delta IV
Homeworld of the Deltans.
Jaresh-Inyo, the Grazerite Federation President in 2372
Jaresh-Inyo, the Grazerite Federation President in 2372
Grazerite homeworld
Homeworld of the Grazerites.
Kasheeta homeworld
Homeworld of the Kasheeta.
Unnamed Federation planet
Home to the unnamed alien council members.
Xelatian homeworld
Homeworld of the Xelatians.
Zaranite homeworld
Homeworld of the Zaranites.

Other known members:

Haliia
Howeworld of the Haliians.
Trillius Prime
Homeworld of the Trills.
Algolian Homeworld
Homeworld of the Algolians.
Arbazan Homeworld
Homeworld of the Arbazan.
Ardana
Homeworld of the Ardanans.
Benzar
Homeworld of the Benzites.
Betazed
Homeworld of the Betazoids.
Bolarus IX
Homeworld of the Bolians.
Ambassadors Sarek and Gav discuss Coridan's admission into the Federation in 2268
Ambassadors Sarek and Gav discuss Coridan’s admission into the Federation in 2268
Coridan
Homeworld of the Coridans.
Efrosian homeworld
Homeworld of the Efrosians.
Hekaras II
Homeworld of the Hekarans
Peliar Zel II
Homeworld of the Peliar Zel natives.
Rigel IV
Homeworld of the Rigellians.
Risa
Homeworld of the Risians.
Ktaris
Homeworld of the Ktarians.
Unnamed Federation planet
Home to the unnamed alien ambassadors.
Unnamed Federation planet
Home to the unnamed copper-skinned aliens.
Unnamed Federation planet
Home to the unnamed delegates.
Unnamed Federation planet
Home to the unnamed female delegates.
Unnamed Federation planet
Home to the unnamed purple-skinned aliens.
Unnamed Federation planet
Home to the unnamed robed delegates.
Zakdorn Homeworld
Homeworld of the Zakdorn.
Regent Cuzar at the Evora's reception
Regent Cuzar at the Evora’s reception

Protectorates:

Evora Homeworld
Homeworld of the Evora

Proposed members:

These following were in the process of gaining Federation member status as of the year indicated.
Angosia III (2366)
Homeworld of the Angosians.
Antede III (2365)
Homeworld of the Antedeans.
Antica (2364)
Homeworld of the Anticans.
Captain Benjamin Sisko stopping Bajor from joining the Federation
Captain Benjamin Sisko stopping Bajor from joining the Federation
Bajor (2377)
Homeworld of the Bajorans.
Cairn Homeworld (2370)
Homeworld of the Cairn.
Catulla (2269)
Homeworld of the Catullans.
Gideon (2268)
Homeworld of the Gideon and the Gideon Council.
Kesprytt III (2370)
Homeworld of the Kesprytt and the Kes and Prytt governments.
Selay (2364)
Homeworld of the Selay.