Population

Five year age groups

About this topic

Five year age groups show the population in standard five-year cohorts from early childhood through older age. Because each band covers the same span of years, the topic gives a clear and comparable view of an area's age structure.

This topic is useful for identifying growth or decline in specific cohorts and for comparing age patterns across places and over time. For service planning, it is often read together with service age groups, household types, and dwelling types.

Interpretation notes

  • Age is reported as at Census night, so the counts are a snapshot of the resident age structure at that point in time.
  • Because each band covers the same five-year span, this topic is best for exact cohort comparison rather than service-planning life stages.

Key insight

In 2021, 40 to 44 year olds was the largest age group among residents in Scoresby, accounting for 7.9% (478 people). This share was higher than Knox (C) (6.8%). Since 2016, the biggest change was in 40 to 44 year olds, which increased by 475 people and 5.5 percentage points.

Section overview

Age structure - Five year age groups

Scoresby - Total persons (Usual residence)

This table summarises five year age groups for Scoresby in 2021 for persons, with comparison against Knox (C) and change since 2016.

Age structure - Five year age groups snapshot

2021 distribution by category for Scoresby, with comparison markers for Knox (C).

Scoresby
Knox (C)

0 to 4

2021 count

281

% of total

4.6%

Change from 2016

-0.2pp

5 to 9

2021 count

361

% of total

6.0%

Change from 2016

-5.2pp

10 to 14

2021 count

402

% of total

6.6%

Change from 2016

-3.0pp

15 to 19

2021 count

424

% of total

7.0%

Change from 2016

+7.0pp

20 to 24

2021 count

410

% of total

6.8%

Change from 2016

+6.8pp

25 to 29

2021 count

385

% of total

6.3%

Change from 2016

+3.9pp

30 to 34

2021 count

300

% of total

4.9%

Change from 2016

+4.9pp

35 to 39

2021 count

447

% of total

7.4%

Change from 2016

+0.2pp

40 to 44

2021 count

478

% of total

7.9%

Change from 2016

+5.5pp

45 to 49

2021 count

463

% of total

7.6%

Change from 2016

+1.2pp

50 to 54

2021 count

426

% of total

7.0%

Change from 2016

+2.2pp

55 to 59

2021 count

383

% of total

6.3%

Change from 2016

-8.1pp

60 to 64

2021 count

369

% of total

6.1%

Change from 2016

-4.3pp

65 to 69

2021 count

303

% of total

5.0%

Change from 2016

-9.4pp

70 to 74

2021 count

305

% of total

5.0%

Change from 2016

+2.6pp

75 to 79

2021 count

162

% of total

2.7%

Change from 2016

+2.7pp

80 to 84

2021 count

111

% of total

1.8%

Change from 2016

-0.6pp

85 and over

2021 count

63

% of total

1.0%

Change from 2016

+1.0pp

Data table

Five year age groups for Scoresby. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Knox (C).

Five year age groups for Scoresby. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Knox (C).
Five year age groups for Scoresby. Age structure - Five year age groups. 2021 and 2016 counts, percentages, and change compared with Knox (C).
Category20212016Change
Count%Knox (C)%Count%Knox (C)%Countpp
0 to 42814.6%5.3%64.8%5.9%+275-0.2pp
5 to 93616.0%5.9%1411.2%5.9%+347-5.2pp
10 to 144026.6%5.8%129.6%5.8%+390-3.0pp
15 to 194247.0%5.9%00.0%6.4%+424+7.0pp
20 to 244106.8%6.1%00.0%6.6%+410+6.8pp
25 to 293856.3%6.0%32.4%6.4%+382+3.9pp
30 to 343004.9%6.7%00.0%6.8%+300+4.9pp
35 to 394477.4%7.2%97.2%6.7%+438+0.2pp
40 to 444787.9%6.8%32.4%6.8%+475+5.5pp
45 to 494637.6%6.7%86.4%7.2%+455+1.2pp
50 to 544267.0%6.8%64.8%7.2%+420+2.2pp
55 to 593836.3%6.7%1814.4%6.8%+365-8.1pp
60 to 643696.1%6.2%1310.4%6.1%+356-4.3pp
65 to 693035.0%5.4%1814.4%5.2%+285-9.4pp
70 to 743055.0%4.6%32.4%3.6%+302+2.6pp
75 to 791622.7%3.2%00.0%2.7%+162+2.7pp
80 to 841111.8%2.4%32.4%1.9%+108-0.6pp
85 and over631.0%2.2%00.0%2.0%+63+1.0pp
Total6,066100.0%100.0%125100.0%100.0%+5,9410.0pp