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, Secondary schoolers (12 to 17) was the most common category among residents in Peppermint Grove (S), accounting for 16.8% (268 people). This share was higher than Greater Perth (7.4%). Since 2016, the biggest change was in Parents and homebuilders (35 to 49), which decreased by 34 people and 1.8 percentage points.
Section overview
Age structure - Service age groups
Peppermint Grove (S) - Total persons (Usual residence)
This table summarises service age groups for Peppermint Grove (S) in 2021 for persons, with comparison against Greater Perth and change since 2016.
Age structure - Service age groups snapshot
2021 distribution by category for Peppermint Grove (S), with comparison markers for Greater Perth.
Babies and pre-schoolers (0 to 4)
2021 count
50
% of total
3.1%
Change from 2016
+0.2pp
50
3.1%
+0.2pp
Primary schoolers (5 to 11)
2021 count
107
% of total
6.7%
Change from 2016
-1.8pp
107
6.7%
-1.8pp
Secondary schoolers (12 to 17)
2021 count
268
% of total
16.8%
Change from 2016
-0.7pp
268
16.8%
-0.7pp
Tertiary education and independence (18 to 24)
2021 count
162
% of total
10.1%
Change from 2016
-0.7pp
162
10.1%
-0.7pp
Young workforce (25 to 34)
2021 count
107
% of total
6.7%
Change from 2016
-1.2pp
107
6.7%
-1.2pp
Parents and homebuilders (35 to 49)
2021 count
216
% of total
13.5%
Change from 2016
-1.8pp
216
13.5%
-1.8pp
Older workers and pre-retirees (50 to 59)
2021 count
236
% of total
14.8%
Change from 2016
+0.3pp
236
14.8%
+0.3pp
Empty nesters and retirees (60 to 69)
2021 count
216
% of total
13.5%
Change from 2016
+1.5pp
216
13.5%
+1.5pp
Seniors (70 to 84)
2021 count
183
% of total
11.5%
Change from 2016
+1.6pp
183
11.5%
+1.6pp
Elderly aged (85 and over)
2021 count
39
% of total
2.4%
Change from 2016
+0.2pp
39
2.4%
+0.2pp
Chart view
Age structure - Service age groups change
Absolute change in category counts between 2016 and 2021.
Babies and pre-schoolers (0 to 4)
+3
+0.2pp
Primary schoolers (5 to 11)
-32
-1.8pp
Secondary schoolers (12 to 17)
-18
-0.7pp
Tertiary education and independence (18 to 24)
-14
-0.7pp
Young workforce (25 to 34)
-22
-1.2pp
Parents and homebuilders (35 to 49)
-34
-1.8pp
Older workers and pre-retirees (50 to 59)
-1
+0.3pp
Empty nesters and retirees (60 to 69)
+19
+1.5pp
Seniors (70 to 84)
+21
+1.6pp
Elderly aged (85 and over)
+3
+0.2pp
Data table
Service age groups for Peppermint Grove (S). Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Greater Perth.
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Greater Perth% | Count | % | Greater Perth% | Count | pp | |
| Babies and pre-schoolers (0 to 4) | 50 | 3.1% | 6.1% | 47 | 2.9% | 6.5% | +3 | +0.2pp |
| Primary schoolers (5 to 11) | 107 | 6.7% | 9.0% | 139 | 8.5% | 9.0% | -32 | -1.8pp |
| Secondary schoolers (12 to 17) | 268 | 16.8% | 7.4% | 286 | 17.5% | 7.2% | -18 | -0.7pp |
| Tertiary education and independence (18 to 24) | 162 | 10.1% | 8.6% | 176 | 10.8% | 9.4% | -14 | -0.7pp |
| Young workforce (25 to 34) | 107 | 6.7% | 14.4% | 129 | 7.9% | 15.8% | -22 | -1.2pp |
| Parents and homebuilders (35 to 49) | 216 | 13.5% | 21.0% | 250 | 15.3% | 20.9% | -34 | -1.8pp |
| Older workers and pre-retirees (50 to 59) | 236 | 14.8% | 12.4% | 237 | 14.5% | 12.2% | -1 | +0.3pp |
| Empty nesters and retirees (60 to 69) | 216 | 13.5% | 10.2% | 197 | 12.0% | 9.7% | +19 | +1.5pp |
| Seniors (70 to 84) | 183 | 11.5% | 9.1% | 162 | 9.9% | 7.5% | +21 | +1.6pp |
| Elderly aged (85 and over) | 39 | 2.4% | 1.9% | 36 | 2.2% | 1.8% | +3 | +0.2pp |
| Total | 1,597 | 100.0% | 100.0% | 1,636 | 100.0% | 100.0% | -39 | 0.0pp |