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.

Key insight

In 2021, Young workforce (25 to 34) was the most common category among residents in Mount Peter, accounting for 21.6% (149 people). This share was higher than Cairns (R) (13.2%). Since 2016, the biggest change was in Young workforce (25 to 34), which increased by 143 people and 15.1 percentage points.

Section overview

Age structure - Service age groups

Mount Peter - Total persons (Usual residence)

This table summarises service age groups for Mount Peter in 2021 for persons, with comparison against Cairns (R) and change since 2016.

Age structure - Service age groups snapshot

2021 distribution by category for Mount Peter, with comparison markers for Cairns (R).

Mount Peter
Cairns (R)

Babies and pre-schoolers (0 to 4)

2021 count

72

% of total

10.4%

Change from 2016

+7.1pp

Primary schoolers (5 to 11)

2021 count

91

% of total

13.2%

Change from 2016

+3.4pp

Secondary schoolers (12 to 17)

2021 count

43

% of total

6.2%

Change from 2016

-2.5pp

Tertiary education and independence (18 to 24)

2021 count

61

% of total

8.9%

Change from 2016

+8.9pp

Young workforce (25 to 34)

2021 count

149

% of total

21.6%

Change from 2016

+15.1pp

Parents and homebuilders (35 to 49)

2021 count

141

% of total

20.5%

Change from 2016

+10.7pp

Older workers and pre-retirees (50 to 59)

2021 count

50

% of total

7.3%

Change from 2016

-7.9pp

Empty nesters and retirees (60 to 69)

2021 count

46

% of total

6.7%

Change from 2016

-0.9pp

Seniors (70 to 84)

2021 count

28

% of total

4.1%

Change from 2016

+0.8pp

Elderly aged (85 and over)

2021 count

3

% of total

0.4%

Change from 2016

-2.9pp

Data table

Service age groups for Mount Peter. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Cairns (R).

Service age groups for Mount Peter. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Cairns (R).
Service age groups for Mount Peter. Age structure - Service age groups. 2021 and 2016 counts, percentages, and change compared with Cairns (R).
Category20212016Change
Count%Cairns (R)%Count%Cairns (R)%Countpp
Babies and pre-schoolers (0 to 4)7210.4%5.5%33.3%6.5%+69+7.1pp
Primary schoolers (5 to 11)9113.2%9.2%99.8%9.9%+82+3.4pp
Secondary schoolers (12 to 17)436.2%8.3%88.7%8.1%+35-2.5pp
Tertiary education and independence (18 to 24)618.9%7.7%00.0%8.0%+61+8.9pp
Young workforce (25 to 34)14921.6%13.2%66.5%13.6%+143+15.1pp
Parents and homebuilders (35 to 49)14120.5%20.9%99.8%21.9%+132+10.7pp
Older workers and pre-retirees (50 to 59)507.3%13.6%1415.2%13.6%+36-7.9pp
Empty nesters and retirees (60 to 69)466.7%11.2%77.6%10.4%+39-0.9pp
Seniors (70 to 84)284.1%8.8%33.3%6.6%+25+0.8pp
Elderly aged (85 and over)30.4%1.5%33.3%1.3%0-2.9pp
Total689100.0%100.0%92100.0%100.0%+5970.0pp