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In 2021, Seaford had lower proportion of female children (under 18) and a higher proportion of females aged 60 or older than Christie Downs.

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

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 Seaford's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Service age groups
Seaford - Total females (Enumerated)20211991Change
Service age group (years)Number%Christie Downs %Number%Christie Downs %1991 to 2021
Babies and pre-schoolers (0 to 4)1124.84.81057.07.0+7
Primary schoolers (5 to 11)1888.18.521914.510.4-31
Secondary schoolers (12 to 17)1355.86.415910.510.1-24
Tertiary education and independence (18 to 24)1496.47.51107.311.1+39
Young workforce (25 to 34)26111.212.924216.014.3+19
Parents and homebuilders (35 to 49)42418.219.138725.625.5+37
Older workers and pre-retirees (50 to 59)26211.311.41057.07.6+157
Empty nesters and retirees (60 to 69)29512.712.01197.97.4+176
Seniors (70 to 84)35615.314.4634.26.2+293
Elderly aged (85 and over)1456.23.10--0.5+145
Total2,327100.0100.01,509100.0100.0+817
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female service age groups of Seaford in 2021 compared to Christie Downs shows that there was a lower proportion of females in the younger age groups (0 to 17 years) and a higher proportion of females in the older age groups (60+ years).

Overall, 18.7% of the female population was aged between 0 and 17, and 34.2% were aged 60 years and over, compared with 19.7% and 29.5% respectively for Christie Downs.

The major differences between the female age structure of Seaford and Christie Downs were:

  • A larger percentage of 'Frail aged' (6.2% compared to 3.1%)
  • A larger percentage of 'Seniors' (15.3% compared to 14.4%)
  • A smaller percentage of 'Young workforce' (11.2% compared to 12.9%)
  • A smaller percentage of 'Tertiary education & independence' (6.4% compared to 7.5%)

Emerging groups

From 1991 to 2021, Seaford's female population increased by 818 people (54.2%). This represents an average annual population change of 1.45% per year over the period.

The largest changes in the female age structure in this area between 1991 and 2021 were in the age groups:

  • Seniors (70 to 84) (+293 females)
  • Empty nesters and retirees (60 to 69) (+176 females)
  • Older workers and pre-retirees (50 to 59) (+157 females)
  • Elderly aged (85 and over) (+145 females)

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