Comment by bunyk

Minimum for slaves in USSR was way less, somewhere near a 1 sqm per person.

> "First we lived in 20-metre tents on two-level continuous bunks in two rows. ... Two hundred people slept on the bunks. It worked out at 40 centimeters to a person. ..."

https://gulag.online/places/barak-veznu-ketlar?locale=en