Popluation - 200000
Terrain - desert
Popluation - 2000000000
Terrain - grasslands, mountains
Popluation - 1000
Terrain - jungle, rainforests
Popluation - unknown
Terrain - tundra, ice caves, mountain ranges
Popluation - unknown
Terrain - swamp, jungles
Popluation - 6000000
Terrain - gas giant
Popluation - 30000000
Terrain - forests, mountains, lakes
Popluation - 4500000000
Terrain - grassy hills, swamps, forests, mountains
Popluation - 1000000000000
Terrain - cityscape, mountains
Popluation - 1000000000
Terrain - ocean