Upper HuttPopulation forecast
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Trentham - Brentwood

Population and age structure

Between 2013 and 2028, the age structure forecasts for Trentham - Brentwood indicate a 3.9% decrease in population under working age, a 25.4% increase in population of retirement age, and a 2.0% 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 Upper Hutt 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
Trentham - Brentwood - Total persons201320282043Change between 2013 and 2043
Age group (years)Number%Number%Number%Number
0 to 43307.33006.63086.5-22
5 to 93197.13297.23357.0+17
10 to 143608.03417.53487.3-12
15 to 193407.53126.83046.4-35
20 to 242605.82285.02405.0-21
25 to 292395.32214.82274.8-13
30 to 342405.32455.32475.2+8
35 to 393197.12936.42996.3-20
40 to 443608.03267.13327.0-28
45 to 493307.33156.93226.8-8
50 to 543096.92976.52996.3-11
55 to 592515.62886.32825.9+31
60 to 642004.42665.82665.6+66
65 to 692214.92545.62575.4+36
70 to 741302.92134.62425.1+112
75 to 791002.21493.31994.2+100
80 to 84902.01222.71553.3+65
85 and over1092.4771.71042.2-5
Total persons4,508100.04,575100.04,767100.0+259

Population and household forecasts, 2013 to 2043, prepared by .id , the population experts, November 2016.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2043: 104 Forecast persons aged 80-84,  2043: 155 Forecast persons aged 75-79,  2043: 199 Forecast persons aged 70-74,  2043: 242 Forecast persons aged 65-69,  2043: 257 Forecast persons aged 60-64,  2043: 266 Forecast persons aged 55-59,  2043: 282 Forecast persons aged 50-54,  2043: 299 Forecast persons aged 45-49,  2043: 322 Forecast persons aged 40-44,  2043: 332 Forecast persons aged 35-39,  2043: 299 Forecast persons aged 30-34,  2043: 247 Forecast persons aged 25-29,  2043: 227 Forecast persons aged 20-24,  2043: 240 Forecast persons aged 15-19,  2043: 304 Forecast persons aged 10-14,  2043: 348 Forecast persons aged 5-9,  2043: 335 Forecast persons aged 0-4,  2043: 308 Forecast persons aged 85+,  2028: 77 Forecast persons aged 80-84,  2028: 122 Forecast persons aged 75-79,  2028: 149 Forecast persons aged 70-74,  2028: 213 Forecast persons aged 65-69,  2028: 254 Forecast persons aged 60-64,  2028: 266 Forecast persons aged 55-59,  2028: 288 Forecast persons aged 50-54,  2028: 297 Forecast persons aged 45-49,  2028: 315 Forecast persons aged 40-44,  2028: 326 Forecast persons aged 35-39,  2028: 293 Forecast persons aged 30-34,  2028: 245 Forecast persons aged 25-29,  2028: 221 Forecast persons aged 20-24,  2028: 228 Forecast persons aged 15-19,  2028: 312 Forecast persons aged 10-14,  2028: 341 Forecast persons aged 5-9,  2028: 329 Forecast persons aged 0-4,  2028: 300 Forecast persons aged 85+,  2013: 109 Forecast persons aged 80-84,  2013: 90 Forecast persons aged 75-79,  2013: 100 Forecast persons aged 70-74,  2013: 130 Forecast persons aged 65-69,  2013: 221 Forecast persons aged 60-64,  2013: 200 Forecast persons aged 55-59,  2013: 251 Forecast persons aged 50-54,  2013: 309 Forecast persons aged 45-49,  2013: 330 Forecast persons aged 40-44,  2013: 360 Forecast persons aged 35-39,  2013: 319 Forecast persons aged 30-34,  2013: 240 Forecast persons aged 25-29,  2013: 239 Forecast persons aged 20-24,  2013: 260 Forecast persons aged 15-19,  2013: 340 Forecast persons aged 10-14,  2013: 360 Forecast persons aged 5-9,  2013: 319 Forecast persons aged 0-4,  2013: 330
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, November 2016.
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: 28 Forecast persons aged 80-84,  2028 to 2043: 33 Forecast persons aged 75-79,  2028 to 2043: 50 Forecast persons aged 70-74,  2028 to 2043: 29 Forecast persons aged 65-69,  2028 to 2043: 2 Forecast persons aged 60-64,  2028 to 2043: 0 Forecast persons aged 55-59,  2028 to 2043: -6 Forecast persons aged 50-54,  2028 to 2043: 1 Forecast persons aged 45-49,  2028 to 2043: 7 Forecast persons aged 40-44,  2028 to 2043: 6 Forecast persons aged 35-39,  2028 to 2043: 6 Forecast persons aged 30-34,  2028 to 2043: 3 Forecast persons aged 25-29,  2028 to 2043: 6 Forecast persons aged 20-24,  2028 to 2043: 12 Forecast persons aged 15-19,  2028 to 2043: -8 Forecast persons aged 10-14,  2028 to 2043: 7 Forecast persons aged 5-9,  2028 to 2043: 7 Forecast persons aged 0-4,  2028 to 2043: 8 Forecast persons aged 85+,  2013 to 2028: -33 Forecast persons aged 80-84,  2013 to 2028: 31 Forecast persons aged 75-79,  2013 to 2028: 49 Forecast persons aged 70-74,  2013 to 2028: 83 Forecast persons aged 65-69,  2013 to 2028: 34 Forecast persons aged 60-64,  2013 to 2028: 66 Forecast persons aged 55-59,  2013 to 2028: 37 Forecast persons aged 50-54,  2013 to 2028: -12 Forecast persons aged 45-49,  2013 to 2028: -15 Forecast persons aged 40-44,  2013 to 2028: -34 Forecast persons aged 35-39,  2013 to 2028: -26 Forecast persons aged 30-34,  2013 to 2028: 5 Forecast persons aged 25-29,  2013 to 2028: -18 Forecast persons aged 20-24,  2013 to 2028: -32 Forecast persons aged 15-19,  2013 to 2028: -28 Forecast persons aged 10-14,  2013 to 2028: -19 Forecast persons aged 5-9,  2013 to 2028: 10 Forecast persons aged 0-4,  2013 to 2028: -30
Population and household forecasts, 2013 to 2043, prepared by .id the population experts, November 2016.

Key findings

In 2013, the dominant age structure for persons in Trentham - Brentwood was ages 10 to 14, which accounted for 8.0% 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 83 and account for 4.6% of the total persons.

The largest 5 year age group in 2028 is 10 to 14 years, with a total of 341 persons.

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