|Est. Population:||80 billion|
United Federation of Systems. Spanning 96% (707 out of 735 human-inhabited realms, or HIRs) of human space it is the primary form of government and control in human space. The remaining 4% of human space is left to be governed on it's own as independent states or whatever they so choose. They're a diplomatic government who's primary chambers reside in a massive spaceship, UFS Eagle36. There are 2 senators per HIR in the UFS making their senate seat 1,414 members. About half reside on their home HIRs while others reside on the Eagle36.
Listed from lowest to highest ranking.