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Porirua City

Service age groups

The Porirua City had a similar proportion of pre-schoolers and a lower proportion of people at post retirement age than Wellington Region in 2013.

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. The 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).

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

Derived from the Census question:

'When were you born?'

Total population

Age structure - Service age groups
Porirua City20132006Change
Service age group (years)Number%Wellington Region %Number%Wellington Region %2006 to 2013
map this data in atlas.idBabies and Pre-schoolers (0 to 4 )4,4318.66.74,2188.76.8+213
map this data in atlas.idPrimary Schoolers (5 to 11)5,77211.29.05,98212.39.6-210
map this data in atlas.idSecondary Schoolers (12 to 17 )4,8339.37.85,12410.68.6-291
map this data in atlas.idTertiary education and independence (18 to 24)4,7769.210.64,4259.110.3+351
map this data in atlas.idYoung workforce (25 to 34)5,90111.413.16,29113.014.2-390
map this data in atlas.idParents and homebuilders (35 to 49)11,45122.121.711,07022.823.1+381
Older workers and pre-retirees (50 to 59)
6,57912.712.95,64911.611.7+930
Empty nesters and retirees (60 to 69)
4,6989.19.53,4327.17.7+1,266
Seniors (70 to 84)
2,8475.57.32,0494.26.7+798
map this data in atlas.idElderly aged (85 and over)4320.81.63060.61.3+126

Source: Statistics New Zealand, Census of Population and Dwellings 2006 and 2013. Compiled and presented in profile.id by .id , the population experts.

Age structure, 2013
Age structure, 2013 Babies and Pre-schoolers (0 to 4 ), Wellington Region: 6.7% Primary Schoolers (5 to 11), Wellington Region: 9.0% Secondary Schoolers (12 to 17 ), Wellington Region: 7.8% Tertiary education and independence (18 to 24), Wellington Region: 10.6% Young workforce (25 to 34), Wellington Region: 13.1% Parents and homebuilders (35 to 49), Wellington Region: 21.7% Older workers and pre-retirees (50 to 59), Wellington Region: 12.9% Empty nesters and retirees (60 to 69), Wellington Region: 9.5% Seniors (70 to 84), Wellington Region: 7.3% Elderly aged (85 and over), Wellington Region: 1.6% Babies and Pre-schoolers (0 to 4 ), Porirua City: 8.6% Primary Schoolers (5 to 11), Porirua City: 11.2% Secondary Schoolers (12 to 17 ), Porirua City: 9.3% Tertiary education and independence (18 to 24), Porirua City: 9.2% Young workforce (25 to 34), Porirua City: 11.4% Parents and homebuilders (35 to 49), Porirua City: 22.1% Older workers and pre-retirees (50 to 59), Porirua City: 12.7% Empty nesters and retirees (60 to 69), Porirua City: 9.1% Seniors (70 to 84), Porirua City: 5.5% Elderly aged (85 and over), Porirua City: 0.8%
Source: Statistics New Zealand, Census of Population and Dwellings, 2013
Compiled and presented by .id, the population experts.
Change in age structure, 2006 to 2013
Change in age structure, 2006 to 2013 Babies and Pre-schoolers (0 to 4 ), Porirua City: +213 Primary Schoolers (5 to 11), Porirua City: -210 Secondary Schoolers (12 to 17 ), Porirua City: -291 Tertiary education and independence (18 to 24), Porirua City: +351 Young workforce (25 to 34), Porirua City: -390 Parents and homebuilders (35 to 49), Porirua City: +381 Older workers and pre-retirees (50 to 59), Porirua City: +930 Empty nesters and retirees (60 to 69), Porirua City: +1,266 Seniors (70 to 84), Porirua City: +798 Elderly aged (85 and over), Porirua City: +126
Source: Statistics New Zealand, Census of Population and Dwellings, 2006 and 2013
Compiled and presented by .id, the population experts.

Dominant groups

Analysis of the service age groups of the Porirua City in 2013 compared to the Wellington Region shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).

Overall, 29.1% of the population was aged between 0 and 17, and 15.4% were aged 60 years and over, compared with 23.4% and 18.4% respectively for the Wellington Region.

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

  • A larger percentage of 'Primary Schoolers (5 to 11)' (11.2% compared to 9.0%)
  • A larger percentage of 'Babies and Pre-schoolers (0 to 4 )' (8.6% compared to 6.7%)
  • A smaller percentage of 'Seniors (70 to 84)' (5.5% compared to 7.3%)
  • A smaller percentage of 'Young workforce (25 to 34)' (11.4% compared to 13.1%)

Emerging groups

From 2006 to 2013, Porirua City's population increased by 3,174 people (6.5%). This represents an average annual population change of 0.91% per year over the period.

The largest changes in age structure in this area between 2006 and 2013 were in the age groups:

  • Empty nesters and retirees (60 to 69) (+1,266 persons)
  • Older workers and pre-retirees (50 to 59) (+930 persons)
  • Seniors (70 to 84) (+798 persons)
  • Young workforce (25 to 34) (-390 persons)

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