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Sydenham District

Five year age groups

There were 396 people over the age of 85 living in Sydenham District in 2011, with largest age group being 15 to 19 year olds.

The Age Structure of 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 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 Sydenham District's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth (or age last birthday)?'

Total population

Age structure - Five year age groups
Sydenham District - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%City of Brimbank %Number%City of Brimbank %2006 to 2011
0 to 42,5925.66.63,3007.16.5-708
5 to 93,1836.96.23,6297.86.8-446
10 to 143,3657.36.34,0088.67.2-643
15 to 193,9278.57.04,0518.77.4-124
20 to 243,8548.37.93,4277.47.6+427
25 to 293,1726.88.42,8966.27.1+276
30 to 342,7776.07.53,3697.27.3-592
35 to 393,2297.07.23,8508.37.5-621
40 to 443,6277.87.14,0948.87.3-467
45 to 493,8818.46.73,9038.47.2-22
50 to 543,6227.86.53,2126.96.9+411
55 to 592,8566.26.02,3215.06.2+535
60 to 642,1664.75.31,5643.44.5+602
65 to 691,5723.43.81,0502.33.4+522
70 to 749882.12.96901.52.7+298
75 to 797221.62.15521.22.1+170
80 to 844551.01.53330.71.4+122
85 and over3960.91.23560.80.9+40

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2011
Age structure - five year age groups, 2011 85 and over, City of Brimbank: 1.2% 80 to 84, City of Brimbank: 1.5% 75 to 79, City of Brimbank: 2.1% 70 to 74, City of Brimbank: 2.9% 65 to 69, City of Brimbank: 3.8% 60 to 64, City of Brimbank: 5.3% 55 to 59, City of Brimbank: 6.0% 50 to 54, City of Brimbank: 6.5% 45 to 49, City of Brimbank: 6.7% 40 to 44, City of Brimbank: 7.1% 35 to 39, City of Brimbank: 7.2% 30 to 34, City of Brimbank: 7.5% 25 to 29, City of Brimbank: 8.4% 20 to 24, City of Brimbank: 7.9% 15 to 19, City of Brimbank: 7.0% 10 to 14, City of Brimbank: 6.3% 5 to 9, City of Brimbank: 6.2% 0 to 4, City of Brimbank: 6.6% 85 and over, Sydenham District: 0.9% 80 to 84, Sydenham District: 1.0% 75 to 79, Sydenham District: 1.6% 70 to 74, Sydenham District: 2.1% 65 to 69, Sydenham District: 3.4% 60 to 64, Sydenham District: 4.7% 55 to 59, Sydenham District: 6.2% 50 to 54, Sydenham District: 7.8% 45 to 49, Sydenham District: 8.4% 40 to 44, Sydenham District: 7.8% 35 to 39, Sydenham District: 7.0% 30 to 34, Sydenham District: 6.0% 25 to 29, Sydenham District: 6.8% 20 to 24, Sydenham District: 8.3% 15 to 19, Sydenham District: 8.5% 10 to 14, Sydenham District: 7.3% 5 to 9, Sydenham District: 6.9% 0 to 4, Sydenham District: 5.6%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2006 to 2011
Change in age structure - five year age groups, 2006 to 2011 85 and over, Sydenham District: +40 80 to 84, Sydenham District: +122 75 to 79, Sydenham District: +170 70 to 74, Sydenham District: +298 65 to 69, Sydenham District: +522 60 to 64, Sydenham District: +602 55 to 59, Sydenham District: +535 50 to 54, Sydenham District: +411 45 to 49, Sydenham District: -22 40 to 44, Sydenham District: -467 35 to 39, Sydenham District: -621 30 to 34, Sydenham District: -592 25 to 29, Sydenham District: +276 20 to 24, Sydenham District: +427 15 to 19, Sydenham District: -124 10 to 14, Sydenham District: -643 5 to 9, Sydenham District: -446 0 to 4, Sydenham District: -708
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of Sydenham District in 2011 compared to City of Brimbank shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 19.7% of the population was aged between 0 and 15, and 8.9% were aged 65 years and over, compared with 19.0% and 11.5% respectively for City of Brimbank.

The major differences between the age structure of Sydenham District and City of Brimbank were:

  • A larger percentage of persons aged 45 to 49 (8.4% compared to 6.7%)
  • A larger percentage of persons aged 15 to 19 (8.5% compared to 7.0%)
  • A smaller percentage of persons aged 25 to 29 (6.8% compared to 8.4%)
  • A smaller percentage of persons aged 30 to 34 (6.0% compared to 7.5%)

Emerging groups

From 2006 to 2011, Sydenham District's population decreased by 221 people (0.5%). This represents an average annual population change of -0.1% per year over the period.

The largest changes in age structure in this area between 2006 and 2011 were in the age groups:

  • 0 to 4 (-708 persons)
  • 10 to 14 (-643 persons)
  • 35 to 39 (-621 persons)
  • 60 to 64 (+602 persons)