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LEARN MORE ABOUT .idIn 2021, the largest age group in Tuggerah - Mardi was 50 to 54 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 338 people.
The Age Structure of Tuggerah - Mardi provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Tuggerah - Mardi'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 Tuggerah - Mardi'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 | |||||||
|---|---|---|---|---|---|---|---|
| Tuggerah - Mardi - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Central Coast Council area % | Number | % | Central Coast Council area % | 1991 to 2021 |
| 0 to 4 | 339 | 5.9 | 5.6 | 134 | 8.4 | 8.1 | +204 |
| 5 to 9 | 382 | 6.7 | 6.1 | 110 | 6.9 | 7.6 | +271 |
| 10 to 14 | 400 | 7.0 | 6.3 | 125 | 7.9 | 7.0 | +275 |
| 15 to 19 | 403 | 7.1 | 5.9 | 108 | 6.8 | 6.7 | +294 |
| 20 to 24 | 389 | 6.8 | 5.3 | 88 | 5.6 | 5.6 | +300 |
| 25 to 29 | 337 | 5.9 | 5.4 | 124 | 7.8 | 6.8 | +212 |
| 30 to 34 | 395 | 6.9 | 5.7 | 131 | 8.2 | 7.9 | +264 |
| 35 to 39 | 355 | 6.2 | 6.0 | 134 | 8.4 | 7.4 | +220 |
| 40 to 44 | 350 | 6.1 | 5.9 | 96 | 6.0 | 7.0 | +254 |
| 45 to 49 | 396 | 6.9 | 6.3 | 89 | 5.6 | 5.3 | +307 |
| 50 to 54 | 422 | 7.4 | 6.4 | 84 | 5.3 | 4.2 | +338 |
| 55 to 59 | 360 | 6.3 | 6.5 | 72 | 4.5 | 4.1 | +287 |
| 60 to 64 | 318 | 5.6 | 6.4 | 90 | 5.7 | 5.2 | +227 |
| 65 to 69 | 249 | 4.4 | 5.9 | 59 | 3.7 | 5.6 | +189 |
| 70 to 74 | 235 | 4.1 | 5.7 | 52 | 3.3 | 4.9 | +183 |
| 75 to 79 | 161 | 2.8 | 4.4 | 53 | 3.3 | 3.5 | +108 |
| 80 to 84 | 139 | 2.4 | 3.0 | 20 | 1.3 | 1.9 | +119 |
| 85 and over | 85 | 1.5 | 3.0 | 19 | 1.2 | 1.0 | +65 |
| Total population | 5,715 | 100.0 | 100.0 | 1,596 | 100.0 | 100.0 | +4,118 |
Dominant groups
Analysis of the five year age groups of Tuggerah - Mardi in 2021 compared to Central Coast Council area 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, 19.6% of the population was aged between 0 and 15, and 15.2% were aged 65 years and over, compared with 18.1% and 22.1% respectively for Central Coast Council area.
The major differences between the age structure of Tuggerah - Mardi and Central Coast Council area were:
- A smaller percentage of persons aged 70 to 74 (4.1% compared to 5.7%)
- A smaller percentage of persons aged 65 to 69 (4.4% compared to 5.9%)
- A smaller percentage of persons aged 75 to 79 (2.8% compared to 4.4%)
- A smaller percentage of persons aged 85 and over (1.5% compared to 3.0%)
Emerging groups
From 1991 to 2021, Tuggerah - Mardi's population increased by 4,119 people (258.1%). This represents an average annual population change of 4.34% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+338 persons)
- 45 to 49 (+307 persons)
- 20 to 24 (+300 persons)
- 15 to 19 (+294 persons)
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