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LEARN MORE ABOUT .idIn 2021, the largest age group in Cotham Ward was 15 to 19 year olds. The group that changed the most since 2006 was 10 to 14 year olds, decreasing by 146 people.
The Age Structure of Cotham Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Cotham Ward's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Cotham Ward'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?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Cotham Ward - Total males (Enumerated) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Ashburton % | Number | % | Ashburton % | 2006 to 2021 |
| 0 to 4 | 270 | 3.7 | 5.9 | 396 | 5.5 | 6.5 | -126 |
| 5 to 9 | 366 | 5.0 | 7.9 | 478 | 6.7 | 8.1 | -113 |
| 10 to 14 | 516 | 7.0 | 7.7 | 661 | 9.2 | 8.0 | -146 |
| 15 to 19 | 634 | 8.6 | 7.3 | 662 | 9.2 | 7.0 | -28 |
| 20 to 24 | 569 | 7.7 | 6.9 | 494 | 6.9 | 6.6 | +75 |
| 25 to 29 | 429 | 5.8 | 4.2 | 358 | 5.0 | 5.3 | +70 |
| 30 to 34 | 369 | 5.0 | 4.8 | 327 | 4.6 | 6.4 | +41 |
| 35 to 39 | 341 | 4.6 | 5.8 | 360 | 5.0 | 7.2 | -20 |
| 40 to 44 | 389 | 5.3 | 7.1 | 514 | 7.2 | 7.9 | -126 |
| 45 to 49 | 479 | 6.5 | 7.5 | 590 | 8.2 | 8.0 | -111 |
| 50 to 54 | 525 | 7.1 | 7.1 | 525 | 7.3 | 7.1 | -1 |
| 55 to 59 | 520 | 7.1 | 6.9 | 463 | 6.4 | 5.9 | +56 |
| 60 to 64 | 450 | 6.1 | 5.6 | 395 | 5.5 | 4.0 | +55 |
| 65 to 69 | 402 | 5.5 | 5.0 | 258 | 3.6 | 2.9 | +143 |
| 70 to 74 | 332 | 4.5 | 3.5 | 196 | 2.7 | 2.5 | +136 |
| 75 to 79 | 269 | 3.7 | 2.7 | 216 | 3.0 | 2.5 | +52 |
| 80 to 84 | 243 | 3.3 | 2.1 | 161 | 2.2 | 1.6 | +82 |
| 85 and over | 245 | 3.3 | 1.9 | 126 | 1.8 | 2.3 | +119 |
| Total population | 7,348 | 100.0 | 100.0 | 7,189 | 100.0 | 100.0 | +158 |
Dominant groups
Analysis of the male five year age groups of Cotham Ward in 2021 compared to Ashburton shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 15.7% of the male population was aged between 0 and 15, and 20.3% were aged 65 years and over, compared with 21.5% and 15.2% respectively for Ashburton.
The major differences between the male age structure of Cotham Ward and Ashburton were:
- A larger percentage of males aged 25 to 29 (5.8% compared to 4.2%)
- A smaller percentage of males aged 5 to 9 (5.0% compared to 7.9%)
- A smaller percentage of males aged 0 to 4 (3.7% compared to 5.9%)
- A smaller percentage of males aged 40 to 44 (5.3% compared to 7.1%)
Emerging groups
From 2006 to 2021, Cotham Ward's male population increased by 159 people (2.2%). This represents an average annual population change of 0.15% per year over the period.
The largest changes in male age structure in this area between 2006 and 2021 were in the age groups:
- 10 to 14 (-146 males)
- 65 to 69 (+143 males)
- 70 to 74 (+136 males)
- 0 to 4 (-126 males)
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