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Whangarei District CouncilCommunity profile

Whangarei District Council

Five year age groups

There were 2,034 people over the age of 85 living in Whangarei District Council in 2018, with largest age group being 5 to 9 year olds.

The Age Structure of Whangarei District Council provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Whangarei District Council's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture Whangarei District Council's Age Structure should be viewed in conjunction with Households and Dwelling Type.


Derived from the Census question:

'When were you born?'

Note: This page includes data from the 2018 Census. Between 2013 and 2018, the geographical classification was changed, and with it many boundaries were altered. As a result, you may see different small area options when comparing to pages that do not yet show 2018 data. Learn more.

Age structure - Five year age groups
Whangarei District Council20182013Change
Five year age groups (years)Number%New Zealand %Number%New Zealand %2013 to 2018
0 to 45,9976.66.35,5177.26.9+480
5 to 96,7957.56.95,6227.36.8+1,173
10 to 146,3277.06.55,4247.06.8+903
15 to 195,2895.86.44,9146.47.0+375
20 to 244,5575.06.83,7804.96.9+777
25 to 295,2865.87.33,7354.96.1+1,551
30 to 345,2655.86.73,5104.66.0+1,755
35 to 394,6865.26.34,2125.56.3+474
40 to 444,9895.56.25,2626.87.2-273
45 to 496,0516.76.85,3707.07.1+681
50 to 546,0666.76.65,6557.37.1+411
55 to 596,4327.16.45,2356.86.1+1,197
60 to 645,8986.55.64,8276.35.5+1,071
65 to 695,3765.94.94,3535.74.6+1,023
70 to 744,5215.03.93,4684.53.5+1,053
75 to 793,3123.62.82,5233.32.5+789
80 to 842,0792.31.81,8692.41.9+210
85 and over2,0342.21.81,7162.21.7+318
Source: Statistics New Zealand, Census of Population and Dwellings 2013 and 2018. Compiled and presented in by .id, the population experts.
Stats NZ data quality rating: Very high
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Whangarei District Council in 2018 compared to New Zealand shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).

Overall, 21.0% of the population was aged between 0 and 14, and 19.0% were aged 65 years and over, compared with 19.6% and 15.2% respectively for New Zealand.

The major differences between the age structure of Whangarei District Council and New Zealand were:

  • A larger percentage of persons aged 70 to 74 (5.0% compared to 3.9%)
  • A smaller percentage of persons aged 20 to 24 (5.0% compared to 6.8%)
  • A smaller percentage of persons aged 25 to 29 (5.8% compared to 7.3%)
  • A smaller percentage of persons aged 35 to 39 (5.2% compared to 6.3%)

Emerging groups

From 2013 to 2018, Whangarei District Council's population increased by 13,968 people (18.1%). This represents an average annual population change of 3.39% per year over the period.

The largest changes in age structure in this area between 2013 and 2018 were in the age groups:

  • 30 to 34 (+1,755 persons)
  • 25 to 29 (+1,551 persons)
  • 55 to 59 (+1,197 persons)
  • 5 to 9 (+1,173 persons)

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