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Porirua CityPopulation forecast

Whitby East

Population and age structure

Between 2013 and 2028, the age structure forecasts for Whitby East indicate a 45.1% increase in population under working age, a 114.4% increase in population of retirement age, and a 44.0% increase 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 Whitby East 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
Whitby East - Total persons201320282048Change between 2013 and 2048
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)3686.75616.75216.3+153
Primary schoolers (5 to 11)59510.983610.07559.1+160
Secondary schoolers (12 to 17)5059.26648.06137.4+108
Tertiary education and independence (18 to 24)4287.85566.75376.5+109
Young workforce (25 to 34)4448.17088.56567.9+212
Parents and homebuilders (35 to 49)1,37125.11,87522.51,61919.6+247
Older workers and pre-retirees (50 to 59)83415.31,16514.01,13313.7+299
Empty nesters and retirees (60 to 69)55910.299411.91,05612.8+497
Seniors (70 to 84)2935.485510.21,18314.3+890
Elderly aged (85 and over)721.31321.61942.3+122
Total persons5,469100.08,345100.08,267100.0+2,798
Population and household forecasts, 2013 to 2048, prepared by .id (informed decisions), November 2019.

Key findings

In 2013, the dominant age structure for persons in Whitby East was ages Parents and homebuilders (35 to 49), which accounted for 25.1% 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 561 and account for 10.2% of the total persons.

The largest 5 year age group in 2028 is Parents and homebuilders (35 to 49) years, with a total of 1,875 persons.

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