During the TNG series, several planets are shown in various stages of the application process for membership with the UFP but we don't see the final outcome of those applications, but it doesn't look good.

The Anticans applied for membership to the United Federation of Planets. The Enterprise-D transported their delegates to the planet Parliament to help resolve a long-standing dispute with their sister planet, Selay, as part of the admission process. (TNG: 1x07, "Lonely Among Us")

The Angosians applied but were apparently turned down. Picard tells the Angosian government that they must make a decision regarding the fate of their veterans and that he has all the information he needs for his report, and, if they wish to reapply for Federation membership, their application will be given all due consideration... (TNG: 3x11, "The Hunted")

Looks like the Angosians got shut down and the Anticans were a real longshot for acceptance. Have there been others who have been denied membership?


1 Answer 1


The most obvious answers (within the TV canon) are;

Kesprytt III:

As a result of their internal disputes Riker (in the TNG Episode "Attached") strongly indicates that his recommendation will be to refuse admission;

RIKER : As First Officer of the Enterprise I think I can promise you that is not going to happen. The Kes will be denied membership.

Deneb IV

The Bandi homeworld was refused Federation entry after it became clear that their 'starbase building technology' required the subjugation of sentient creatures in "Encounter at Farpoint, Part I+II"

Beta Renner II + Angosia III

You've already mentioned Beta Renner II from the epsiode "Lonely Among us" and Angosia III from "The Hunted" as worlds that were told to get their acts together before reapplying.

Moving down the canon scale to the EU books, there are a number of references to worlds denied Federation membership;

Parath'aa is refused entry in the TOS book The Disinherited due to the "brutality of their leaders"

The Planet Halka (originally seen in TOS: "Mirror, Mirror") was granted entry into the Federation after multiple refusals. It's notable that they are referred to as being the main trading partner between the Federation and Halka I, IV and IX which were refused Federation membership. Halka itself is referenced in the TOS novel "Preserver" as being 'aligned with the Federation', suggesting their membership was never fully confirmed.

  • Good answer @Richard. If you run across any more later, please feel free to add them.
    – Morgan
    May 15, 2014 at 23:32
  • @Morgan - There's bound to be a bunch more in the EU. I've got 1300 Trek books in my library so there's a fair chance that anything you ask will have happened at least once.
    – Valorum
    May 15, 2014 at 23:52
  • -I figured you might :-). I do have some trepidation about EU in general though. I don't have much problem with 'filling in some gaps' left by the series', but balk at when they create an evolving and whole new canonesque type universe. If I had more (any) experience with the quality/consistency of the EU I might soften that opinion.
    – Morgan
    May 16, 2014 at 0:45
  • There's a good chance that the Antedeans had some problems getting accepted. May 16, 2014 at 2:40
  • @muistooshort - Ah, I recall that the fish-men weren't the real delegates. They were assassins who'd somehow replaced the delegates...
    – Valorum
    May 16, 2014 at 13:53

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