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Alexandrina CouncilCommunity profile
Service age groups Five year age groups Age-sex pyramid

Alexandrina Council

Service age groups

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In 2021, Alexandrina Council had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Regional SA.

The Age Structure of Alexandrina Council provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Alexandrina Council'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 Alexandrina Council'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?'

Refers to:

Total population

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Age structure - Service age groups
Alexandrina Council - Total persons (Usual residence)20212006Change
Service age group (years)Number%Regional SA %Number%Regional SA %2006 to 2021
Babies and pre-schoolers (0 to 4)1,1203.94.91,1115.46.0+9
Primary schoolers (5 to 11)1,9826.98.11,7838.69.7+199
Secondary schoolers (12 to 17)1,8676.57.01,7168.38.5+151
Tertiary education and independence (18 to 24)1,5645.46.51,1875.77.0+377
Young workforce (25 to 34)2,2247.710.51,7678.510.7+457
Parents and homebuilders (35 to 49)4,28614.916.44,20020.321.7+86
Older workers and pre-retirees (50 to 59)3,81813.313.93,14215.214.1+676
Empty nesters and retirees (60 to 69)5,09117.715.12,93014.110.8+2,161
Seniors (70 to 84)5,83720.314.72,47111.99.6+3,366
Elderly aged (85 and over)9413.32.84021.91.9+539
Total28,730100.0100.020,709100.0100.0+8,021
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the service age groups of Alexandrina Council in 2021 compared to Regional SA 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, 17.3% of the population was aged between 0 and 17, and 41.3% were aged 60 years and over, compared with 20.0% and 32.6% respectively for Regional SA.

The major differences between the age structure of Alexandrina Council and Regional SA were:

  • A larger percentage of 'Seniors' (20.3% compared to 14.7%)
  • A larger percentage of 'Empty nesters and retirees' (17.7% compared to 15.1%)
  • A smaller percentage of 'Young workforce' (7.7% compared to 10.5%)
  • A smaller percentage of 'Parents and homebuilders' (14.9% compared to 16.4%)

Emerging groups

From 2006 to 2021, Alexandrina Council's population increased by 8,021 people (38.7%). This represents an average annual population change of 2.21% per year over the period.

The largest changes in the age structure in this area between 2006 and 2021 were in the age groups:

  • Seniors (70 to 84) (+3,366 people)
  • Empty nesters and retirees (60 to 69) (+2,161 people)
  • Older workers and pre-retirees (50 to 59) (+676 people)
  • Elderly aged (85 and over) (+539 people)

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