Components of population change
The greatest population change for Willoughby City is forecast for the period from 2017 to 2021, which is expected to have a net increase of 4,406 people.
There are two ways in which populations can change, through net migration and/or through natural increase (births minus deaths). Some areas are more driven by one or other of these factors. Migration is largely driven by housing development, whereas natural increase is a function of the age of the population.
|Components of population change|
|Willoughby City||Forecast period|
|Component||2012 to 2016||2017 to 2021||2022 to 2026||2027 to 2031||2032 to 2036|
|Change in persons in non-private dwellings||25||559||56||0||115||55|
|Total population change||4,092||4,406||3,870||3,084||2,680|
Population and household forecasts, 2011 to 2036, prepared by .id (opens a new window), the population experts, July 2015.