Population
Service age groups
About this topic
Service age groups divide the population into broad life-stage bands such as children, young adults, working-age adults, and older people. The groupings are designed to reflect typical demand for age-based services and facilities rather than exact five-year cohorts.
This view is useful for planning childcare, schools, recreation, aged services, and other community infrastructure. It works best alongside five year age groups, household type, and dwelling data, which add more detail about who is living in an area and how needs may change over time.
Interpretation notes
- This is a derived grouping rather than a direct Census question, so the age bands are planning-oriented summaries built from standard age data.
- Percentages relate to the total population; use five year age groups when exact cohort detail matters.
Related topics
Key insight
In 2021, Parents and homebuilders (35 to 49) was the most common category among residents in Carramar (WA), accounting for 22.9% (1,647 people). This share was higher than Wanneroo (C) (21.7%). Since 2016, the biggest change was in Older workers and pre-retirees (50 to 59), which increased by 208 people and 2.9 percentage points.
Section overview
Age structure - Service age groups
Carramar (WA) - Total persons (Usual residence)
This table summarises service age groups for Carramar (WA) in 2021 for persons, with comparison against Wanneroo (C) and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Carramar (WA), with comparison markers for Wanneroo (C).
Babies and pre-schoolers (0 to 4)
2021 count
408
% of total
5.7%
Change from 2016
-1.2pp
408
5.7%
-1.2pp
Primary schoolers (5 to 11)
2021 count
756
% of total
10.5%
Change from 2016
-1.7pp
756
10.5%
-1.7pp
Secondary schoolers (12 to 17)
2021 count
755
% of total
10.5%
Change from 2016
+0.2pp
755
10.5%
+0.2pp
Tertiary education and independence (18 to 24)
2021 count
682
% of total
9.5%
Change from 2016
-0.2pp
682
9.5%
-0.2pp
Young workforce (25 to 34)
2021 count
723
% of total
10.1%
Change from 2016
-2.0pp
723
10.1%
-2.0pp
Parents and homebuilders (35 to 49)
2021 count
1,647
% of total
22.9%
Change from 2016
-1.8pp
1,647
22.9%
-1.8pp
Older workers and pre-retirees (50 to 59)
2021 count
1,124
% of total
15.7%
Change from 2016
+2.9pp
1,124
15.7%
+2.9pp
Empty nesters and retirees (60 to 69)
2021 count
616
% of total
8.6%
Change from 2016
+1.4pp
616
8.6%
+1.4pp
Seniors (70 to 84)
2021 count
394
% of total
5.5%
Change from 2016
+1.7pp
394
5.5%
+1.7pp
Elderly aged (85 and over)
2021 count
43
% of total
0.6%
Change from 2016
+0.3pp
43
0.6%
+0.3pp
Chart view
Age structure - Service age groups change
Absolute change in category counts between 2016 and 2021.
Babies and pre-schoolers (0 to 4)
-89
-1.2pp
Primary schoolers (5 to 11)
-119
-1.7pp
Secondary schoolers (12 to 17)
+18
+0.2pp
Tertiary education and independence (18 to 24)
-13
-0.2pp
Young workforce (25 to 34)
-143
-2.0pp
Parents and homebuilders (35 to 49)
-123
-1.8pp
Older workers and pre-retirees (50 to 59)
+208
+2.9pp
Empty nesters and retirees (60 to 69)
+103
+1.4pp
Seniors (70 to 84)
+124
+1.7pp
Elderly aged (85 and over)
+25
+0.3pp
Data table
Service age groups for Carramar (WA). Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Wanneroo (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Wanneroo (C)% | Count | % | Wanneroo (C)% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 408 | 5.7% | 7.1% | 497 | 6.9% | 8.0% | -89 | -1.2pp |
| Primary schoolers (5 to 11) | 756 | 10.5% | 10.6% | 875 | 12.2% | 10.8% | -119 | -1.7pp |
| Secondary schoolers (12 to 17) | 755 | 10.5% | 8.5% | 737 | 10.3% | 8.5% | +18 | +0.2pp |
| Tertiary education and independence (18 to 24) | 682 | 9.5% | 9.0% | 695 | 9.7% | 9.6% | -13 | -0.2pp |
| Young workforce (25 to 34) | 723 | 10.1% | 13.9% | 866 | 12.1% | 15.7% | -143 | -2.0pp |
| Parents and homebuilders (35 to 49) | 1,647 | 22.9% | 21.7% | 1,770 | 24.7% | 22.4% | -123 | -1.8pp |
| Older workers and pre-retirees (50 to 59) | 1,124 | 15.7% | 12.5% | 916 | 12.8% | 11.2% | +208 | +2.9pp |
| Empty nesters and retirees (60 to 69) | 616 | 8.6% | 8.5% | 513 | 7.2% | 7.4% | +103 | +1.4pp |
| Seniors (70 to 84) | 394 | 5.5% | 7.0% | 270 | 3.8% | 5.4% | +124 | +1.7pp |
| Elderly aged (85 and over) | 43 | 0.6% | 1.3% | 18 | 0.3% | 1.0% | +25 | +0.3pp |
| Total | 7,178 | 100.0% | 100.0% | 7,171 | 100.0% | 100.0% | +7 | 0.0pp |