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Porirua CityPopulation forecast

Titahi Bay South-Mana Island

Components of population change

The greatest population change for Titahi Bay South-Mana Island is forecast for the period from 2039 to 2043, which is expected to have a net increase of 94 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
Titahi Bay South-Mana IslandForecast period
Component2014 to 20182019 to 20232024 to 20282029 to 20332034 to 20382039 to 2043
Births320317318325337355
Change in persons in non-private dwellings0020000
Deaths161156167176186197
Natural increase/decrease159161151149151158
Net migration-118-105-93-94-75-64
Total population change415678557795
Population and household forecasts, 2013 to 2048, prepared by .id , the population experts, November 2019.

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