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Porirua CityPopulation forecast

Titahi Bay

Population and age structure

Between 2013 and 2028, the age structure forecasts for Titahi Bay indicate a NaN% stable trend in population under working age, a NaN% stable trend in population of retirement age, and a NaN% stable trend in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of Titahi Bay is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - Service age groups
Titahi Bay - Total persons201320282048Change between 2013 and 2048
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)4249.63577.83737.8-51
Primary schoolers (5 to 11)48611.047410.448510.2-1
Secondary schoolers (12 to 17)3217.33818.43747.8+53
Tertiary education and independence (18 to 24)4149.44129.04148.70
Young workforce (25 to 34)57913.152211.556711.9-12
Parents and homebuilders (35 to 49)95821.795320.996820.3+11
Older workers and pre-retirees (50 to 59)56112.758612.957912.1+18
Empty nesters and retirees (60 to 69)4149.44309.44709.8+56
Seniors (70 to 84)2295.23958.747610.0+247
Elderly aged (85 and over)340.8410.9661.4+32
Total persons4,421100.04,552100.04,772100.0+351
Population and household forecasts, 2013 to 2048, prepared by .id , the population experts, January 2020.

Key findings

In 2013, the dominant age structure for persons in Titahi Bay was ages Parents and homebuilders (35 to 49), which accounted for 21.7% of the total persons.

The largest increase in persons between 2013 and 2028 is forecast to be in ages Seniors (70 to 84), which is expected to increase by 166 and account for 8.7% of the total persons.

The largest 5 year age group in 2028 is Parents and homebuilders (35 to 49) years, with a total of 953 persons.

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