List of largest star nations in known space

List below includes all largest pan-universe, polygalactic empires and dependencies in current era, across known universe. These include both the sovereign state, and in some cases, its largest dependencies or constituent polities. Criteria include here are the empire's space sovereign, population, capital system with population, memberships within one of three pan-multiverse alliances - the UUF, the Civilization, and the UAN -, the universal quadrant it aligns to, and the current status of living quality, military prowess and political stability. These figures are conducted by joint projects between UAN and UUF, in mid-9th era.

Legends

 * First Quadrant: APAC Universe
 * Second Quadrant: EUROPA Universe
 * Third Quadrant: AFRICAN Universe
 * Fourth Quadrant: NON-ALIGNED Universe
 * Fifth Quadrant: AMERICAN Universe