Australia Population Density Per Square Mile. Between 1971 and 2020, population density of australia grew substantially from 1.7 to 3.32 persons per. Population density is the number of people per square kilometer.
Km in 2021, according to the world bank collection of development indicators, compiled. A 0.99% increase from 2023, when the population density only was 3.4416 people/kmยฒ.