1: The Enclave Presidency of John Henry Eden
Pop: 32,827 Mil

2: The Mojave Wasteland Empire of Robert Edwin House
Pop: 31,714 Mil

3: The President Eden's Robot Army of Securitron Mk1
Pop: 31,028 Mil

4: The Highly Civilized Cannibals of White Glove Society
Pop: 24,453 Mil

5: The Freeside Bar and Casino of Atomic Wrangler
Pop: 20,099 Mil

6: The Mojave Tunes of Mr New Vegas-
Pop: 16,720 Mil

7: The Duchy of Oriente
Pop: 13,073 Mil

8: The Children of Atom 6
Pop: 10,696 Mil

9: The Republic of Atom 8
Pop: 10,670 Mil

10: The Children of Atom 1
Pop: 10,669 Mil

11: The Church of Atom 2
Pop: 10,667 Mil

12: The Republic of Atom 5
Pop: 10,661 Mil

13: The Children of Atom-
Pop: 10,636 Mil

14: The Church of Atom 4
Pop: 10,625 Mil

15: The Church of Atom 10
Pop: 10,055 Mil

16: The Holy Empire of The Children of Atom
Pop: 8,998 Mil

17: The Bones of Nagga
Pop: 2,939 Mil

18: The Holy Empire of Atom 11
Pop: 1,153 Mil

19: The Dominion of Atom 28
Pop: 1,127 Mil

20: The Rogue Nation of Atom 25
Pop: 1,125 Mil

21: The Armed Republic of Atom 15
Pop: 1,124 Mil

22: The Holy Empire of Atom 12
Pop: 1,120 Mil

23: The Dominion of Atom 30
Pop: 1,119 Mil

24: The United Socialist States of Atom 22
Pop: 1,114 Mil

25: The Holy Empire of Atom 16
Pop: 1,113 Mil

26: The Incorporated States of Atom 23
Pop: 1,112 Mil

27: The Empire of Atom 26
Pop: 1,111 Mil

28: The Holy Empire of Atom 29
Pop: 1,108 Mil

29: The Holy Empire of Atom 27
Pop: 1,105 Mil

30: The Democratic States of Atom 24
Pop: 1,101 Mil

31: The United Socialist States of Atom 21
Pop: 1,098 Mil