Porirua CityPopulation forecast
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Porirua-Elsdon-Takapuwahia

Population and age structure

Between 2013 and 2028, the age structure forecasts for Porirua-Elsdon-Takapuwahia indicate a 109.4% increase in population under working age, a 129.7% increase in population of retirement age, and a 86.4% 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 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-Elsdon-Takapuwahia - Total persons201320282043Change between 2013 and 2043
Age group (years)Number%Number%Number%Number
0 to 42308.54278.13767.1+146
5 to 91666.14177.93586.8+193
10 to 142007.44047.73636.9+163
15 to 192569.54197.93847.3+128
20 to 242168.03697.03697.0+153
25 to 292047.53727.03476.6+143
30 to 341736.44077.73546.7+182
35 to 391846.84157.83636.9+178
40 to 442017.43957.53606.8+159
45 to 491616.03566.73496.6+189
50 to 541756.52825.33346.3+160
55 to 591666.12474.73105.9+144
60 to 641214.52003.82695.1+148
65 to 69813.01753.32134.0+132
70 to 74752.81492.81833.5+108
75 to 79301.11102.11502.8+120
80 to 84351.3721.41102.1+75
85 and over281.1661.2781.5+49
Total persons2,701100.05,281100.05,269100.0+2,568

Population and household forecasts, 2013 to 2043, prepared by .id , the population experts, January 2020.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2043: 78 Forecast persons aged 80-84,  2043: 110 Forecast persons aged 75-79,  2043: 150 Forecast persons aged 70-74,  2043: 183 Forecast persons aged 65-69,  2043: 213 Forecast persons aged 60-64,  2043: 269 Forecast persons aged 55-59,  2043: 310 Forecast persons aged 50-54,  2043: 334 Forecast persons aged 45-49,  2043: 349 Forecast persons aged 40-44,  2043: 360 Forecast persons aged 35-39,  2043: 363 Forecast persons aged 30-34,  2043: 354 Forecast persons aged 25-29,  2043: 347 Forecast persons aged 20-24,  2043: 369 Forecast persons aged 15-19,  2043: 384 Forecast persons aged 10-14,  2043: 363 Forecast persons aged 5-9,  2043: 358 Forecast persons aged 0-4,  2043: 376 Forecast persons aged 85+,  2028: 66 Forecast persons aged 80-84,  2028: 72 Forecast persons aged 75-79,  2028: 110 Forecast persons aged 70-74,  2028: 149 Forecast persons aged 65-69,  2028: 175 Forecast persons aged 60-64,  2028: 200 Forecast persons aged 55-59,  2028: 247 Forecast persons aged 50-54,  2028: 282 Forecast persons aged 45-49,  2028: 356 Forecast persons aged 40-44,  2028: 395 Forecast persons aged 35-39,  2028: 415 Forecast persons aged 30-34,  2028: 407 Forecast persons aged 25-29,  2028: 372 Forecast persons aged 20-24,  2028: 369 Forecast persons aged 15-19,  2028: 419 Forecast persons aged 10-14,  2028: 404 Forecast persons aged 5-9,  2028: 417 Forecast persons aged 0-4,  2028: 427 Forecast persons aged 85+,  2013: 28 Forecast persons aged 80-84,  2013: 35 Forecast persons aged 75-79,  2013: 30 Forecast persons aged 70-74,  2013: 75 Forecast persons aged 65-69,  2013: 81 Forecast persons aged 60-64,  2013: 121 Forecast persons aged 55-59,  2013: 166 Forecast persons aged 50-54,  2013: 175 Forecast persons aged 45-49,  2013: 161 Forecast persons aged 40-44,  2013: 201 Forecast persons aged 35-39,  2013: 184 Forecast persons aged 30-34,  2013: 173 Forecast persons aged 25-29,  2013: 204 Forecast persons aged 20-24,  2013: 216 Forecast persons aged 15-19,  2013: 256 Forecast persons aged 10-14,  2013: 200 Forecast persons aged 5-9,  2013: 166 Forecast persons aged 0-4,  2013: 230
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, January 2020.
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: 12 Forecast persons aged 80-84,  2028 to 2043: 38 Forecast persons aged 75-79,  2028 to 2043: 40 Forecast persons aged 70-74,  2028 to 2043: 33 Forecast persons aged 65-69,  2028 to 2043: 38 Forecast persons aged 60-64,  2028 to 2043: 68 Forecast persons aged 55-59,  2028 to 2043: 62 Forecast persons aged 50-54,  2028 to 2043: 52 Forecast persons aged 45-49,  2028 to 2043: -7 Forecast persons aged 40-44,  2028 to 2043: -36 Forecast persons aged 35-39,  2028 to 2043: -52 Forecast persons aged 30-34,  2028 to 2043: -53 Forecast persons aged 25-29,  2028 to 2043: -25 Forecast persons aged 20-24,  2028 to 2043: 0 Forecast persons aged 15-19,  2028 to 2043: -35 Forecast persons aged 10-14,  2028 to 2043: -41 Forecast persons aged 5-9,  2028 to 2043: -59 Forecast persons aged 0-4,  2028 to 2043: -51 Forecast persons aged 85+,  2013 to 2028: 37 Forecast persons aged 80-84,  2013 to 2028: 36 Forecast persons aged 75-79,  2013 to 2028: 80 Forecast persons aged 70-74,  2013 to 2028: 74 Forecast persons aged 65-69,  2013 to 2028: 94 Forecast persons aged 60-64,  2013 to 2028: 79 Forecast persons aged 55-59,  2013 to 2028: 81 Forecast persons aged 50-54,  2013 to 2028: 107 Forecast persons aged 45-49,  2013 to 2028: 195 Forecast persons aged 40-44,  2013 to 2028: 194 Forecast persons aged 35-39,  2013 to 2028: 230 Forecast persons aged 30-34,  2013 to 2028: 234 Forecast persons aged 25-29,  2013 to 2028: 168 Forecast persons aged 20-24,  2013 to 2028: 153 Forecast persons aged 15-19,  2013 to 2028: 163 Forecast persons aged 10-14,  2013 to 2028: 204 Forecast persons aged 5-9,  2013 to 2028: 251 Forecast persons aged 0-4,  2013 to 2028: 197
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, January 2020.

Key findings

In 2013, the dominant age structure for persons in Porirua-Elsdon-Takapuwahia was ages 15 to 19, which accounted for 9.5% of the total persons.

The largest increase in persons between 2013 and 2028 is forecast to be in ages 5 to 9, which is expected to increase by 251 and account for 7.9% of the total persons.

The largest 5 year age group in 2028 is 0 to 4 years, with a total of 427 persons.

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