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Porirua CityCommunity profile

Porirua City

Service age groups

Porirua City had a higher proportion of male pre-schoolers and a lower proportion of males at post retirement age than Wellington Region in 2018.

The Age Structure of the population is the most widely used component of the Census. It is an indicator of an area’s residential role and function and how it is likely to change in the future. Porirua City's age demographics are indicative of the area’s era of settlement and provide key insights into the level of demand for services and facilities (as most services and facilities are age-specific).

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

To get a more complete picture of Porirua City's demographic characteristics, Porirua City's Age Structure should be viewed in conjunction with Family and Household type data.

Q:

Derived from the Census question:

'When were you born?'

Age structure - Service age groups
Porirua City - Total males20182013Change
Service age group (years)Number%Wellington Region %Number%Wellington Region %2013 to 2018
Babies and Pre-schoolers (0 to 4)2,2268.16.22,2509.07.0-24
Primary Schoolers (5 to 11)3,37512.29.42,91011.79.4+465
Secondary Schoolers (12 to 17)2,5059.17.72,4789.98.2+27
Tertiary education and independence (18 to 24)2,4909.010.32,3139.310.6+177
Young workforce (25 to 34)3,50712.714.62,70010.812.9+807
Parents and homebuilders (35 to 49)5,53220.120.25,39121.621.3+141
Older workers and pre-retirees (50 to 59)3,46212.613.03,09912.412.8+363
Empty nesters and retirees (60 to 69)2,5659.39.72,2749.19.5+291
Seniors (70 to 84)1,7076.27.61,3325.36.9+375
Elderly aged (85 and over)2100.81.31590.61.2+51
Total males27,579100.0100.024,906100.0100.0+2,673
Source: Statistics New Zealand, Census of Population and Dwellings 2013 and 2018. Compiled and presented in profile.id 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 service age groups of Porirua City in 2018 compared to Wellington Region shows that there was a higher proportion of males in the younger age groups (0 to 17 years) and a lower proportion of males in the older age groups (60+ years).

Overall, 29.4% of the male population was aged between 0 and 17, and 16.3% were aged 60 years and over, compared with 23.2% and 18.6% respectively for Wellington Region.

The major differences between the male age structure of Porirua City and Wellington Region were:

  • A larger percentage of 'Primary Schoolers (5 to 11)' (12.2% compared to 9.4%)
  • A larger percentage of 'Babies and Pre-schoolers (0 to 4)' (8.1% compared to 6.2%)
  • A larger percentage of 'Secondary Schoolers (12 to 17)' (9.1% compared to 7.7%)
  • A smaller percentage of 'Young workforce (25 to 34)' (12.7% compared to 14.6%)

Emerging groups

From 2013 to 2018, Porirua City's male population increased by 2,673 males (10.7%). This represents an average annual male population change of 2.06% per year over the period.

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

  • Young workforce (25 to 34) (+807 males)
  • Primary Schoolers (5 to 11) (+465 males)
  • Seniors (70 to 84) (+375 males)
  • Older workers and pre-retirees (50 to 59) (+363 males)

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