Porirua CityPopulation forecast
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Porirua East-Ranui Heights

Population and age structure

Between 2013 and 2028, the age structure forecasts for Porirua East-Ranui Heights indicate a 1.2% decrease in population under working age, a 67.1% increase in population of retirement age, and a 8.4% decrease 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 Porirua City 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 - 5 year age groups
Porirua East-Ranui Heights - Total persons201320282043Change between 2013 and 2043
Age group (years)Number%Number%Number%Number
0 to 42898.22848.03678.3+78
5 to 92356.62446.93087.0+74
10 to 142406.82276.42786.3+38
15 to 193118.82306.52906.6-20
20 to 242667.52156.12736.2+6
25 to 292136.02276.42766.2+63
30 to 342426.82547.13137.1+71
35 to 392507.12256.33177.2+68
40 to 442727.72045.72926.6+20
45 to 492416.82095.92686.0+26
50 to 542406.82196.12355.3-5
55 to 592065.82306.52144.8+8
60 to 641925.42166.12285.2+36
65 to 691474.12045.72315.2+85
70 to 74852.41604.52094.7+125
75 to 79591.71263.51703.8+110
80 to 84250.7561.6982.2+73
85 and over270.8270.8561.3+28
Total persons3,540100.03,556100.04,424100.0+885

Population and household forecasts, 2013 to 2043, prepared by .id , the population experts, March 2019.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2043: 56 Forecast persons aged 80-84,  2043: 98 Forecast persons aged 75-79,  2043: 170 Forecast persons aged 70-74,  2043: 209 Forecast persons aged 65-69,  2043: 231 Forecast persons aged 60-64,  2043: 228 Forecast persons aged 55-59,  2043: 214 Forecast persons aged 50-54,  2043: 235 Forecast persons aged 45-49,  2043: 268 Forecast persons aged 40-44,  2043: 292 Forecast persons aged 35-39,  2043: 317 Forecast persons aged 30-34,  2043: 313 Forecast persons aged 25-29,  2043: 276 Forecast persons aged 20-24,  2043: 273 Forecast persons aged 15-19,  2043: 290 Forecast persons aged 10-14,  2043: 278 Forecast persons aged 5-9,  2043: 308 Forecast persons aged 0-4,  2043: 367 Forecast persons aged 85+,  2028: 27 Forecast persons aged 80-84,  2028: 56 Forecast persons aged 75-79,  2028: 126 Forecast persons aged 70-74,  2028: 160 Forecast persons aged 65-69,  2028: 204 Forecast persons aged 60-64,  2028: 216 Forecast persons aged 55-59,  2028: 230 Forecast persons aged 50-54,  2028: 219 Forecast persons aged 45-49,  2028: 209 Forecast persons aged 40-44,  2028: 204 Forecast persons aged 35-39,  2028: 225 Forecast persons aged 30-34,  2028: 254 Forecast persons aged 25-29,  2028: 227 Forecast persons aged 20-24,  2028: 215 Forecast persons aged 15-19,  2028: 230 Forecast persons aged 10-14,  2028: 227 Forecast persons aged 5-9,  2028: 244 Forecast persons aged 0-4,  2028: 284 Forecast persons aged 85+,  2013: 27 Forecast persons aged 80-84,  2013: 25 Forecast persons aged 75-79,  2013: 59 Forecast persons aged 70-74,  2013: 85 Forecast persons aged 65-69,  2013: 147 Forecast persons aged 60-64,  2013: 192 Forecast persons aged 55-59,  2013: 206 Forecast persons aged 50-54,  2013: 240 Forecast persons aged 45-49,  2013: 241 Forecast persons aged 40-44,  2013: 272 Forecast persons aged 35-39,  2013: 250 Forecast persons aged 30-34,  2013: 242 Forecast persons aged 25-29,  2013: 213 Forecast persons aged 20-24,  2013: 266 Forecast persons aged 15-19,  2013: 311 Forecast persons aged 10-14,  2013: 240 Forecast persons aged 5-9,  2013: 235 Forecast persons aged 0-4,  2013: 289
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, March 2019.
Forecast change in age structure - 5 year age groups
Forecast change in age structure - 5 year age groups Forecast persons aged 85+,  2028 to 2043: 29 Forecast persons aged 80-84,  2028 to 2043: 42 Forecast persons aged 75-79,  2028 to 2043: 44 Forecast persons aged 70-74,  2028 to 2043: 50 Forecast persons aged 65-69,  2028 to 2043: 27 Forecast persons aged 60-64,  2028 to 2043: 12 Forecast persons aged 55-59,  2028 to 2043: -15 Forecast persons aged 50-54,  2028 to 2043: 17 Forecast persons aged 45-49,  2028 to 2043: 59 Forecast persons aged 40-44,  2028 to 2043: 88 Forecast persons aged 35-39,  2028 to 2043: 92 Forecast persons aged 30-34,  2028 to 2043: 59 Forecast persons aged 25-29,  2028 to 2043: 49 Forecast persons aged 20-24,  2028 to 2043: 57 Forecast persons aged 15-19,  2028 to 2043: 61 Forecast persons aged 10-14,  2028 to 2043: 51 Forecast persons aged 5-9,  2028 to 2043: 65 Forecast persons aged 0-4,  2028 to 2043: 84 Forecast persons aged 85+,  2013 to 2028: 0 Forecast persons aged 80-84,  2013 to 2028: 30 Forecast persons aged 75-79,  2013 to 2028: 67 Forecast persons aged 70-74,  2013 to 2028: 75 Forecast persons aged 65-69,  2013 to 2028: 57 Forecast persons aged 60-64,  2013 to 2028: 25 Forecast persons aged 55-59,  2013 to 2028: 24 Forecast persons aged 50-54,  2013 to 2028: -21 Forecast persons aged 45-49,  2013 to 2028: -32 Forecast persons aged 40-44,  2013 to 2028: -67 Forecast persons aged 35-39,  2013 to 2028: -24 Forecast persons aged 30-34,  2013 to 2028: 12 Forecast persons aged 25-29,  2013 to 2028: 14 Forecast persons aged 20-24,  2013 to 2028: -51 Forecast persons aged 15-19,  2013 to 2028: -81 Forecast persons aged 10-14,  2013 to 2028: -12 Forecast persons aged 5-9,  2013 to 2028: 9 Forecast persons aged 0-4,  2013 to 2028: -6
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, March 2019.

Key findings

In 2013, the dominant age structure for persons in Porirua East-Ranui Heights was ages 15 to 19, which accounted for 8.8% of the total persons.

The largest increase in persons between 2013 and 2028 is forecast to be in ages 70 to 74, which is expected to increase by 75 and account for 4.5% of the total persons.

The largest 5 year age group in 2028 is 0 to 4 years, with a total of 284 persons.

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