List of Factions by Home System Population

This page lists the home system population of every faction in Twilight Imperium Fourth Edition (including expansions), as referenced on their lore sheet. 
== >20 Billion ==
Sardakk N'orr: 28.71 Billion 
== 10-20 Billion ==
The Federation of Sol: 16.44 Billion 
The Winnu: 13.77 Billion 
The Naaz-Rokha Alliance: 12.7 Billion 
The Barony of Letnev: 10.47 Billion 
== 5-10 Billion ==
The Emirates of Hacan: 8.82 Billion 
The Xxcha Kingdom: 8.16 Billion 
The Embers of Muaat: 7.39 Billion 
== 1-5 Billion ==
The Naalu Collective: 4.72 Billion 
The Universities of Jol-Nar: 3.22 Billion 
The Mentak Coalition: 2.55 Billion 
The Argent Flight: 1.84 Billion 
The Yin Brotherhood: 1.81 Billion 
The Clan of Saar: 1.01 Billion 
== <1 Billion ==
The Titans of Ul: 750 Million 
The Nomad: 167 Million 
The Arborec: 1
== Unknown ==
* The Empyrean: Fluctuates 
* The Ghosts of Creuss: Unknown 
* The L1Z1X Mindnet: Unknown
* The Mahact Gene Sorcerers: Unknown 
* The Nekro Virus: _error
* The Vuil'Raith Cabal: Unknown 
* The Yssaril Tribes: Unknown 
* The Council Keleres: Not listed. Likely as this faction utilises other factions' home systems.