Question

why is the density of population in the Sahara desert low

Answer 1

There is very little plant or animal life to sustain a human community. The extremes of climate and temperature make living there undesirable and non-productive, agriculturally and in other industries.

Answer 2

The north western part of sahara desert is known as rocky desert. Most of the land is barren and unhabitated. That is why the density of population is low.