Federation Members

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  • Member states of the United Federation of Planets
  • Known membership counts
    • 10 member states as of March 2166 (ENT Novel: Patterns of Interference)
    • 82 member states as of 2248 (DIS Novel: The Way to the Stars)
    • Over 100 member states as of January 2266 (VAN Novel: Reap the Whirlwind)
    • Over 150 member states as of October 2373 (First Contact)
    • 154 member states as of May 2380 (Novel: Articles of the Federation)
    • 155 member states as of December 2380 (Novel: Articles of the Federation)

Members

  1. United Earth
    • 1st member
    • Joined: August 12, 2161
  2. Confederacy of Vulcan
    • 2nd member
    • Joined: August 12, 2161
  3. Andorian Empire
    • 3rd member
    • Joined: August 12, 2161
    • Withdrew: 2382
    • Rejoined: 2385
  4. United Planets of Tellar
    • 4th member
    • Joined: August 12, 2161
  5. Alpha Centauri Concordium
    • 5th member
    • Joined: August 12, 2161
  6. Confederated Martian Colonies
    • 6th member (ENT Novel: A Choice of Futures)
    • Joined: 2162 (ENT Novel: A Choice of Futures)
  7. Vega Colony
    • 7th member (ENT Novel: Tower of Babel)
    • Joined: 2164 (ENT Novel: Tower of Babel)
    • Former United Earth colony
  8. United Worlds and Colonies of Rigel
    • 8th member (ENT Novel: Tower of Babel)
    • Joined: 2164 (ENT Novel: Tower of Babel)
  9. Arken II
    • 9th member (ENT Novel: Uncertain Logic)
    • Joined: Early 2165 (ENT Novel: Uncertain Logic)
    • Former Andorian Empire subject world
  10. Ithen
    • 10th member (ENT Novel: Patterns of Interference)
    • Joined: October 2165 (ENT Novel: Patterns of Interference)
  11. Vobilin
    • Joined: 2160s-70s (SGR Novel: The Valiant)
      • Presumptive; Vobilites were one of the first supporters of the UFP per text
  12. Izar
    • Joined: 2183 (Star Trek: Star Charts)
    • Former United Earth colony
  13. Osadj
    • Joined: 2190 (Novel: Starfleet: Year One)
  14. Risian Hedony
    • Joined: late 22nd Century
  15. Camor V
    • Joined: By 2200s (TNG Novel: Genesis Wave, Part I)
  16. Deltan Union
    • Joined: By 2200s (TNG Novel: Genesis Wave, Part I)
  17. Trillius Prime
    • Joined: By 2230s (Novel: Articles of the Federation)
  18. Argelius
    • Joined: 2240s/2250s (TOS Novel: Burning Dreams)
  19. Arixus
    • Joined: By 2248 (DIS Novel: The Way to the Stars)
  20. Bolias
    • Joined: By 2248 (DIS Novel: The Way to the Stars)
  21. Elisurian homeworld
    • Joined: By 2248 (DIS Novel: The Way to the Stars)
  22. Ri'tis
    • Joined: By 2248 (DIS Novel: The Way to the Stars)
  23. Axanar
    • Joined: After 2251, by 2260s
  24. Regulus
    • Joined: By 2254 (TOS: "The Cage")
  25. Lembatta Prime
    • Joined: By 2259 (SNW: "Under the Cloak of War"; Novel: Articles of the Federation)
  26. Osnullus homeworld
    • Joined: By 2259 (DIS: "Ad Astra per Aspera")
  27. Makus III
    • Joined: By 2262 (TOS Novel: The Captain's Oath)
  28. Altair Colony
    • Joined: By 2260s
    • Former United Earth colony
  29. Arcturus
    • Joined: By 2260s
  30. Aurelia
    • Joined: By 2260s
  31. Cygnet XIV
    • Joined: By 2260s (TOS Novel: The Captain's Oath)
  32. Denobula
    • Joined: By 2260s
  33. Plutocracy of Ardana
    • Joined: By 2260s
    • Withdrew: 2269
    • Rejoined: By 2370s
  34. Ramatis III
    • Joined: By 2260s
  35. Regulus (distant)
    • Joined: By 2260s (DIS Novel: Distant Measures)
  36. Sauria
    • Joined: By 2260s
  37. Scoridia
    • Joined: By 2260s
  38. Sulamid
    • Joined: By 2260s
  39. Terra Nova
    • Joined: By 2260s
  40. Tiburon
    • Joined: By 2260s
  41. Aulac
    • Joined: Mid-2260s (TOS Novel: The Captain's Oath)
  42. Alpha Proxima II
    • Joined: By 2266 (BatB Novel: The First Artifact)
    • Former United Earth colony (BatB Novel: The First Artifact)
  43. People's Republic of Coridan
    • Joined: 2267 (TOS: "Journey to Babel")
  44. Janus VI
    • Joined: After 2267
  45. Valzhan
    • Joined: After 2258, by 2268 (SCE Short Story: "Where Time Stands Still")
  46. Eeiauo
    • Joined: By 2268 (TOS Novel: Uhura's Song)
  47. Cait
    • Joined: By 2269
    • Irregular participation
  48. Aaamazzara
    • Joined: By 2270s
  49. Betelgeusian Argosies
    • Joined: By 2270s
  50. K'normia
    • Joined: By 2270s (Star Trek: The Motion Picture)
  51. Kazar
    • Joined: By 2270s (Star Trek: The Motion Picture)
  52. Rhaandarel
    • Joined: By 2270s (Star Trek IV: The Voyage Home)
  53. Zaranai
    • Joined: By 2270s
  54. Lorina
    • Joined: After 2273 (TOS Novel: Ex Machina)
  55. Delta Sigma IV
    • Joined: 2278 (TNG Novel: A Time to Love)
      • 2370s per Articles of the Federation, but conflicts with significant plot points in above
  56. Kaferia
    • Joined: After 2164, by 2279 (ENT Novel: Tower of Babel; TOS Novel: Living Memory)
  57. Verdanis
    • Joined: By late 23rd century (Novel: The Fire and the Rose)
  58. Efros Delta
    • Joined: By 2280s
  59. Kashet
    • Joined: By 2280s
  60. Kyppr
    • Joined: By 2280s (VOY Novel: Acts of Contrition)
  61. Pacifica
    • Joined: By 2280s (implicit by TNG Novel: Genesis Wave, Part I)
  62. Huan
    • Joined: 2293
  63. Betazed
    • Joined: By 2300s (TLE Novel: Cast No Shadow)
  64. Vestios
    • Joined: 2310 (TOS Novel: Burning Dreams)
  65. Beta Antares IV
    • Joined: By 2311
  66. Lorillia
    • Joined: After 2311, By 2381 (TLE Novel: Serpents Among the Ruins; Destiny Novel: Lost Souls)
  67. Deneva
    • Joined: By early-24th Century
    • Former United Earth colony
  68. Gnala
    • Joined: By early-24th Century
  69. Pythagos Clans
    • Joined: By early-24th Century
  70. Tandar Prime
    • Joined: By 2320s
  71. Binderia
    • Joined: By 2330s (SGR Novel: Gauntlet)
  72. Alonis
    • Joined: c.2335
  73. Kerovi
    • Joined: c.2340
    • Withdrew: 2378 (VOY Novel: Full Circle)
  74. Zalda
    • Joined: 2340s (Novel: A Singular Destiny)
  75. Oriki
    • Joined: 2340s-2350s
  76. Penzatti
    • Joined: Late 2340s (TNG Novel: Vendetta)
    • Rendered uninhabitable October 2367 by Borg attack; survivors relocated (TNG Novel: Vendetta)
  77. Candelar IV
    • Joined: 2350s
  78. Berellian homeworld
    • Joined: By mid-24th Century (TNG: "Redemption II"; Novel: Articles of the Federation)
  79. Cestus III
    • Joined: By mid-24th Century
    • Former Federation colony
  80. Dedderei
    • Joined: By mid-24th Century
  81. Grazer
    • Joined: By mid-24th Century
  82. Hermat Directorate
    • Joined: By mid-24th Century
  83. Kostolain
    • Joined: By mid-24th Century
  84. Ochat
    • Joined: By mid-24th Century
  85. Pandril
    • Joined: By mid-24th Century
  86. Peliar Zel
    • Joined: By mid-24th Century (TNG: "The Host")
  87. Selene
    • Joined: By mid-24th Century
  88. Sigma Iotia II
    • Joined: By mid-24th Century
  89. Tessen III
    • Joined: By mid-24th Century
  90. Troyius
    • Joined: By mid-24th Century
  91. Xindi Diaspora
    • Joined: By mid-24th Century
  92. Danteri Empire
    • Joined: After c.2353, by 2373 (NF Novel: House of Cards)
  93. Gemworld
    • Joined: By 2355 (DS9 Novel: Lesser Evil)
  94. Magna Roma
    • Joined: By 2360s (Novel: The Fall: Poisoned Chalice)
  95. Pahkwa
    • Joined: 2360
  96. Guidon Pontificate
    • Joined: By 2363 (TNE Short Story: "Meet with Triumph and Disaster")
  97. Halii
    • Joined: By 2369 (TNG: "Aquiel")
  98. Nasat
    • Joined: By 2369 (SCE Short Story: "Balance of Nature")
  99. Hekaras II
    • Joined: By 2370 (TNG: "Force of Nature")
  100. Bynaus
    • Joined: After 2364, by 2374 (TNG: "11001001"; SCE Short Story: "10 is Better Than 01")
  101. Benzar
    • Joined: After 2365, by 2374 (TNG: "A Matter of Honor"; DS9: "The Reckoning"; Novel: Articles of the Federation)
  102. Skorr
    • Joined: After 2269, by 2376 (TAS: "The Jihad"; DS9 Novel: Mission Gamma: Twilight)
  103. Deneb IV
    • Joined: After 2364, by 2378 (TNG: "Encounter at Farpoint"; TNG Novel: A Time to Love, A Time to Hate)
  104. Lendrin homeworld
    • Joined: After 2371, by 2378 (VOY Novel: Children of the Storm)
  105. Andros III
    • Joined: By late-24th Century (DS9: "In the Cards")
  106. Antede III
    • Joined: By late-24th Century (Novel: Articles of the Federation)
  107. Arbaza
    • Joined: By late-24th Century (DS9: "The Forsaken")
  108. Asario
    • Joined: By late-24th Century
  109. Atrea IV
    • Joined: By late-24th Century
  110. Bilana III
    • Joined: By late-24th Century (Star Trek Encyclopedia)
  111. Bre'el IV
    • Joined: By late-24th Century (TNG: "Deja Q"; Novel: Articles of the Federation)
  112. Caldos II
    • Joined: By late-24th Century
    • Former Federation colony
  113. Carnegie
    • Joined: By late-24th Century
    • Former Federation colony
  114. Delb II
    • Joined: By late-24th Century (TNG: "The Drumhead")
  115. Gallamite homeworld
    • Joined: By late-24th Century
  116. Icor IX
    • Joined: By late-24th Century
  117. Inferna Prime
    • Joined: By late-24th Century
  118. Ktar
    • Joined: By late-24th Century
  119. Meldrar I
    • Joined: By late-24th Century
  120. Napea
    • Joined: By late-24th Century
  121. Pangea
    • Joined: By late-24th Century (Novel: Articles of the Federation)
  122. Parnasi
    • Joined: By late-24th Century
  123. Pentam V
    • Joined: By late-24th Century
  124. S'ti'ach'aas
    • Joined: By late-24th Century (TTN Novel: Orion's Hounds)
  125. Taurus III
    • Joined: By late-24th Century (Novel: Articles of the Federation)
  126. Triex
    • Joined: By late-24th Century
  127. Tyrellia
    • Joined: By late-24th Century
  128. Visalayan
    • Joined: By late-24th Century (TNG Novel: A Time to Die)
  129. Ysa
    • Joined: By late-24th Century
  130. Zakdorn
    • Joined: By late-24th Century
  131. Zanri
    • Joined: By late-24th Century
  132. Damiano
  133. Cairn
    • 150th member
    • Joined: Early 2370s (Novel: Articles of the Federation)
  134. Ullian Free State
    • Joined: By 2373 (S31 Novel: Rogue)
  135. T'hirada
    • 151st member
    • Joined: 2373 (TNG Novel: Resistance)
  136. Ona
    • 152nd member
      • Over 150 members by October 2373 (Star Trek: First Contact)
    • Joined: Mid-2373 (TNG Novel: A Time to Be Born, A Time to Die)
  137. Third Republic of Bajor
    • 153rd member
    • Joined: September 29, 2376 (DS9 Novel: Unity)
  138. Evora
    • 154th member
    • Joined: 2377 (Star Trek: Insurrection; SCE Short Story: "Past Life"; Novel: Articles of the Federation)
  139. Grilasdixraksirvek
    • Joined: By 2379 (TNG Novel: A Time for War, A Time for Peace)
  140. Gelrak V
    • Joined: By 2380 (LD: "Temporal Edict")
  141. Koa
    • 155th member (Novel: Articles of the Federation)
    • Joined: Late December 2380 (Novel: Articles of the Federation)
  142. Corazonia
    • Joined: By 2381 (LD: "In the Cradle of Vexilon")
  143. Elas
    • Joined: By 2381 (Destiny Novel: Lost Souls)
Retrieved from "http://memory-tau.org/w/index.php?title=Federation_Members&oldid=24757"