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Porirua CityCommunity profile

Titahi Bay North

Service age groups

Titahi Bay North had a lower proportion of pre-schoolers and a higher proportion of people at post retirement age than Porirua City 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. Titahi Bay North'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 Titahi Bay North's demographic characteristics, Titahi Bay North'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
Titahi Bay North - Total persons20182013Change
Service age group (years)Number%Porirua City %Number%Porirua City %2013 to 2018
Babies and Pre-schoolers (0 to 4)1957.37.82319.48.6-36
Primary Schoolers (5 to 11)30311.311.626410.811.2+39
Secondary Schoolers (12 to 17)2137.98.61686.89.3+45
Tertiary education and independence (18 to 24)1987.48.82349.59.2-36
Young workforce (25 to 34)44116.413.033613.711.4+105
Parents and homebuilders (35 to 49)55820.820.852221.322.1+36
Older workers and pre-retirees (50 to 59)31211.612.731813.012.7-6
Empty nesters and retirees (60 to 69)27610.39.32229.09.1+54
Seniors (70 to 84)1626.06.41355.55.5+27
Elderly aged (85 and over)240.91.0241.00.80
Total population2,682100.0100.02,454100.0100.0+228
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 Titahi Bay North in 2018 compared to Porirua City shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 26.5% of the population was aged between 0 and 17, and 17.2% were aged 60 years and over, compared with 28.0% and 16.7% respectively for Porirua City.

The major differences between the age structure of Titahi Bay North and Porirua City were:

  • A larger percentage of 'Young workforce (25 to 34)' (16.4% compared to 13.0%)
  • A larger percentage of 'Empty nesters and retirees (60 to 69)' (10.3% compared to 9.3%)
  • A smaller percentage of 'Tertiary education and independence (18 to 24)' (7.4% compared to 8.8%)
  • A smaller percentage of 'Older workers and pre-retirees (50 to 59)' (11.6% compared to 12.7%)

Emerging groups

From 2013 to 2018, Titahi Bay North's population increased by 228 people (9.3%). This represents an average annual population change of 1.79% per year over the period.

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

  • Young workforce (25 to 34) (+105 persons)
  • Empty nesters and retirees (60 to 69) (+54 persons)

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