Fictional Universe Taxonomy Research

Number of Inhabited Planets

Tags: fav new index
Type: number
Unit: Planets

Civilizations

Star Trek
Federation 2373: 150
Vulcans 2063: 1
Klingon Empire 2161: 20
Andorian Empire 2161: 14
The Expanse
Mars 2350: 1
Sol System 2350: 15
United Nations 2350: 2
Firefly
Alliance 2517: 215
Honorverse
Haven 1903 PD: 100
Manticore 1903 PD: 3
Perry Rhodan
Großes Imperium 2040: 50000
Solares Imperium 2040: 6
Posbis 2114: 5
Warhammer 40,000
Orks M41: 2e6
Imperium of Man M41: 1e6

Number of Planets

The number of planets a civilization controls is a simple measure of territorial reach and resource access. More planets generally means more raw materials, more population capacity, and more strategic depth against catastrophic events.

That said, the metric has obvious limitations:

  1. Variability in inhabitants: A civilization might control many planets but have tiny populations on each. Raw planet count does not reflect actual demographic weight.
  2. Diverse planetary conditions: Not all planets are equal. Some are resource-rich, others are barren outposts. The count says nothing about individual value.
  3. Alternative celestial bodies: Depending on the universe, moons, asteroids, or artificial habitats may matter more than planets.
  4. Universe properties: Some settings feature inter-dimensional realms, megastructures, or virtual spaces that make planet counting less meaningful.