1: The Enclave Presidency of John Henry Eden
Pop: 35,215 Mil

2: The Mojave Wasteland Empire of Robert Edwin House
Pop: 34,091 Mil

3: The President Eden's Robot Army of Securitron Mk1
Pop: 33,404 Mil

4: The Highly Civilized Cannibals of White Glove Society
Pop: 26,831 Mil

5: The Freeside Bar and Casino of Atomic Wrangler
Pop: 22,488 Mil

6: The Mojave Tunes of Mr New Vegas-
Pop: 19,068 Mil

7: The Children of Atom 6
Pop: 13,084 Mil

8: The Republic of Atom 8
Pop: 13,079 Mil

9: The Republic of Atom 5
Pop: 13,045 Mil

10: The Church of Atom 2
Pop: 13,044 Mil

11: The Children of Atom 1
Pop: 13,033 Mil

12: The Church of Atom 4
Pop: 12,993 Mil

13: The Children of Atom-
Pop: 12,984 Mil

14: The Church of Atom 10
Pop: 12,429 Mil

15: The Holy Empire of The Children of Atom
Pop: 11,365 Mil

16: The Dominion of Atom 30
Pop: 3,540 Mil

17: The Rogue Nation of Atom 25
Pop: 3,521 Mil

18: The Holy Empire of Atom 11
Pop: 3,517 Mil

19: The Armed Republic of Atom 15
Pop: 3,510 Mil

20: The Empire of Atom 26
Pop: 3,501 Mil

21: The Incorporated States of Atom 23
Pop: 3,500 Mil

22: The Dominion of Atom 28
Pop: 3,493 Mil

23: The Holy Empire of Atom 16
Pop: 3,492 Mil

24: The Holy Empire of Atom 27
Pop: 3,492 Mil

25: The Holy Empire of Atom 12
Pop: 3,491 Mil

26: The Holy Empire of Atom 29
Pop: 3,489 Mil

27: The United Socialist States of Atom 22
Pop: 3,486 Mil

28: The United Socialist States of Atom 21
Pop: 3,484 Mil

29: The Democratic States of Atom 24
Pop: 3,473 Mil

30: The Borderlands of Immortalia
Pop: 419 Mil