What is the population density of Saudi Arabia?

As of 2021, the population density of Saudi Arabia is estimated to be 16.3 people per square kilometer (42.2 per square mile). However, this figure can vary significantly depending on the region. The urban areas, particularly the cities of Riyadh, Jeddah, and Dammam, have much higher population densities, while the vast deserts and rural areas have very low population densities.