[Spaceships] Total life support

[The Colonel]

Originally Posted by David L Pulver

For more realism, assigning a number of persons supported per area that a open space provides would be better.

This is where our stacking limits return ... for example the RMS Queen Mary was designed for about 2k passengers by 1934 standards (~700 each first and second class and about 600 steerage) and a bit over a thousand crew.
As a troop ship she carried 15-16k men per run.