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LEARN MORE ABOUT .idIn 2021, the largest age group in the Sydenham District was 55 to 59 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 1,729 people.
The Age Structure of the Sydenham District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Sydenham District'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 the Sydenham District'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 | |||||||
|---|---|---|---|---|---|---|---|
| Sydenham District - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | St Albans District % | Number | % | St Albans District % | 1991 to 2021 |
| 0 to 4 | 1,059 | 4.5 | 5.5 | 1,208 | 12.0 | 7.7 | -150 |
| 5 to 9 | 1,167 | 5.0 | 5.6 | 1,062 | 10.6 | 8.3 | +105 |
| 10 to 14 | 1,205 | 5.1 | 5.2 | 878 | 8.8 | 9.2 | +327 |
| 15 to 19 | 1,485 | 6.3 | 5.3 | 742 | 7.4 | 9.3 | +743 |
| 20 to 24 | 1,601 | 6.8 | 6.9 | 655 | 6.5 | 8.7 | +945 |
| 25 to 29 | 1,517 | 6.4 | 8.3 | 1,045 | 10.4 | 8.2 | +472 |
| 30 to 34 | 1,473 | 6.3 | 8.0 | 1,279 | 12.7 | 8.5 | +193 |
| 35 to 39 | 1,411 | 6.0 | 6.9 | 1,038 | 10.3 | 8.9 | +372 |
| 40 to 44 | 1,318 | 5.6 | 6.1 | 747 | 7.5 | 8.3 | +570 |
| 45 to 49 | 1,615 | 6.9 | 6.0 | 411 | 4.1 | 5.7 | +1,203 |
| 50 to 54 | 1,887 | 8.0 | 6.0 | 304 | 3.0 | 4.3 | +1,583 |
| 55 to 59 | 1,913 | 8.1 | 5.6 | 183 | 1.8 | 3.7 | +1,729 |
| 60 to 64 | 1,799 | 7.6 | 5.7 | 183 | 1.8 | 3.2 | +1,615 |
| 65 to 69 | 1,361 | 5.8 | 5.6 | 94 | 0.9 | 2.8 | +1,267 |
| 70 to 74 | 1,044 | 4.4 | 4.9 | 75 | 0.7 | 1.6 | +969 |
| 75 to 79 | 676 | 2.9 | 3.3 | 47 | 0.5 | 0.9 | +629 |
| 80 to 84 | 465 | 2.0 | 2.5 | 41 | 0.4 | 0.5 | +424 |
| 85 and over | 537 | 2.3 | 2.6 | 38 | 0.4 | 0.2 | +499 |
| Total population | 23,533 | 100.0 | 100.0 | 10,038 | 100.0 | 100.0 | +13,494 |
Dominant groups
Analysis of the female five year age groups of the Sydenham District in 2021 compared to the St Albans District shows that there was a lower proportion of females in the younger age groups (under 15) as well as a lower proportion of females in the older age groups (65+).
Overall, 14.6% of the female population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 16.3% and 18.9% respectively for the St Albans District.
The major differences between the female age structure of the Sydenham District and the St Albans District were:
- A larger percentage of females aged 55 to 59 (8.1% compared to 5.6%)
- A larger percentage of females aged 50 to 54 (8.0% compared to 6.0%)
- A larger percentage of females aged 60 to 64 (7.6% compared to 5.7%)
- A smaller percentage of females aged 25 to 29 (6.4% compared to 8.3%)
Emerging groups
From 1991 to 2021, Sydenham District's female population increased by 13,495 people (134.4%). This represents an average annual population change of 2.88% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+1,729 females)
- 60 to 64 (+1,615 females)
- 50 to 54 (+1,583 females)
- 65 to 69 (+1,267 females)
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