This is a list of countries and dependencies in the Orion Arm by population.
Sovereign states and dependencies by population
List of countries and territories by total population
| Rank
 | 
Location
 | 
Population
 | 
% of Human population
 | 
| –
 | 
Orion Arm
 | 
46,840,120,000
 | 
100%
 | 
| 1
 | 
  United Republics of Bharat
 | 
12,141,310,000
 | 
25.9%
 | 
| 2
 | 
  North Atlantic Conglomerate
 | 
12,111,990,000
 | 
25.8%
 | 
| 3
 | 
  Technocratic State of Argentina
 | 
7,895,790,000
 | 
16.9%
 | 
| 4
 | 
  Holy Arab League
 | 
7,086,350,000
 | 
15.1%
 | 
| 5
 | 
  United Proxima Federation
 | 
4,590,290,000
 | 
9.8%
 | 
| 6
 | 
Second Arab Republic of Egypt
 | 
722,480,000
 | 
1.5%
 | 
| 7
 | 
  Free State of Jericho
 | 
587,210,000
 | 
1.3%
 | 
| 8
 | 
  Commonwealth of Lambda Aurigae
 | 
552,610,000
 | 
1.2%
 | 
| 9
 | 
Russian Republic
 | 
275,090,000
 | 
0.6%
 | 
| 10
 | 
  Aurora Colonial Republic
 | 
107,380,000
 | 
0.2%
 | 
| 11
 | 
Union of Isfahan
 | 
104,610,000
 | 
0.2%
 | 
| 12
 | 
Federative Republic of Endurance
 | 
101,940,000
 | 
0.2%
 | 
| 13
 | 
State of Helvetica
 | 
88,290,000
 | 
 | 
| 14
 | 
Russian Federation
 | 
81,720,000
 | 
 | 
| 15
 | 
New California Republic
 | 
42,040,000
 | 
 | 
| 16
 | 
Republic of Sidewinder
 | 
41,850,000
 | 
 | 
| 17
 | 
Pan-Slavic Federation
 | 
39,510,000
 | 
 | 
| 18
 | 
African Union
 | 
31,140,000
 | 
 | 
| 19
 | 
  Mariner Republic
 | 
24,500,000
 | 
 | 
| 20
 | 
  Epsilon Indi Confederate Republic
 | 
22,590,000
 | 
 | 
| 21
 | 
Federal State of Trafalgar
 | 
19,610,000
 | 
 | 
| 22
 | 
Free Lunar Federation
 | 
17,200,000
 | 
 | 
| 23
 | 
People's Republic of Tyrrhena
 | 
16,960,000
 | 
 | 
| 24
 | 
Republic of Titan
 | 
16,670,000
 | 
 | 
| 25
 | 
Arcturus Federation
 | 
16,560,000
 | 
 | 
| 26
 | 
Colonial Republic of Bishop's World
 | 
14,910,000
 | 
 | 
| 27
 | 
Saturn Democratic Syndicate
 | 
14,370,000
 | 
 | 
| 28
 | 
Union of Ararat
 | 
12,490,000
 | 
 | 
| 29
 | 
Consortium of the Belt
 | 
9,020,000
 | 
 | 
| 30
 | 
  Wolfsberg Planetary State
 | 
8,940,000
 | 
 |