Between 1991 and 2021, the centre of population for North West moves 19km north-north-west, with population not changing, from 155,000 in 1991 to 155,000 in 2021. Centres of population based on 30 June populations and geographic centroids of SA1s within the SA4 of North West. Blue = estimated, red = projected. Data: ABS/AIHW. Created by @AndyHowe_statto. AREA LIST