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Thursday, 23 August 2012

Most densely populated suburbs in Australia

A ranking of the top 150 most densely populated suburbs in Australia. New South Wales utterly dominates the list, with 118 of the top areas. Victoria provides 25, Queensland provides 6 and Western Australia provides 1 suburb.

The suburb with the highest population density in Australia is Elisabeth Bay in inner Sydney. Victoria's densest area is Southbank, Queensland's is Teneriffe and WA's is Highgate.

*Density = Population density measured by persons per square kilometre.

Rank State Rank Name State Persons Area (sq. km.) Density*
1 1 Elizabeth Bay NSW 5093 0.253 20165
2 2 Rushcutters
Bay
NSW 2372 0.156 15221
3 3 Wentworth Point NSW 2759 0.214 12869
4 4 Ultimo NSW 7111 0.558 12734
5 5 Pyrmont NSW 11618 0.933 12458
6 6 Darlinghurst NSW 10060 0.857 11738
7 7 Milsons Point NSW 2013 0.172 11701
8 8 Surry
Hills
NSW 15342 1.317 11651
9 9 Bondi NSW 9614 0.861 11162
10 10 Potts
Point
NSW 6862 0.617 11128
11 11 Redfern NSW 12034 1.172 10269
12 12 Haymarket NSW 5376 0.529 10169
13 13 Liberty Grove NSW 2048 0.207 9880
14 14 Millers
Point
NSW 1736 0.178 9739
15 15 Waterloo (NSW) NSW 10657 1.134 9399
16 16 Hillsdale NSW 4977 0.546 9110
17 17 Bondi Beach NSW 10748 1.186 9063
18 18 Newtown
(NSW)
NSW 14148 1.571 9008
19 1 Southbank VIC 11235 1.262 8900
20 19 Chippendale NSW 4057 0.463 8761
21 20 Allawah NSW 5367 0.625 8591
22 21 Woolloomooloo NSW 3716 0.434 8553
23 22 Erskineville NSW 6848 0.814 8412
24 23 Edgecliff NSW 1981 0.241 8217
25 24 Bondi Junction NSW 8660 1.079 8023
26 25 Enmore
(Marrickville - NSW)
NSW 3572 0.445 8022
27 2 Carlton (Vic.) VIC 13509 1.696 7964
28 26 Harris
Park
NSW 5072 0.637 7956
29 27 Kirribilli NSW 3668 0.476 7708
30 28 Paddington
(NSW)
NSW 12134 1.611 7531
31 29 Neutral Bay NSW 9384 1.265 7421
32 30 Coogee
(NSW)
NSW 14012 1.918 7304
33 31 Waverley (NSW) NSW 4253 0.590 7206
34 32 Lakemba NSW 15508 2.187 7091
35 33 North Bondi NSW 8581 1.213 7076
36 34 Kingsford
(NSW)
NSW 14101 2.013 7004
37 35 Wiley Park NSW 9698 1.393 6962
38 3 Fitzroy
(Vic.)
VIC 9430 1.377 6846
39 36 St Leonards (NSW) NSW 4467 0.665 6717
40 4 Balaclava
(Vic.)
VIC 5383 0.805 6686
41 37 McMahons Point NSW 2344 0.352 6659
42 38 Kurraba
Point
NSW 1702 0.258 6602
43 39 Glebe (NSW) NSW 11123 1.688 6589
44 40 Cremorne
(NSW)
NSW 11048 1.691 6534
45 1 Teneriffe QLD 4699 0.721 6518
46 41 Balmain
East
NSW 1866 0.289 6454
47 42 Balmain NSW 9783 1.523 6422
48 43 Wollstonecraft NSW 8012 1.255 6383
49 5 Windsor (Vic.) VIC 7069 1.111 6364
50 44 Ashfield
(NSW)
NSW 22189 3.495 6348
51 45 Waitara NSW 5370 0.847 6337
52 46 Dulwich
Hill
NSW 12981 2.052 6326
53 47 Campsie NSW 21218 3.370 6295
54 48 Dee
Why
NSW 19838 3.152 6293
55 49 Queenscliff (NSW) NSW 3208 0.512 6268
56 50 Stanmore
(NSW)
NSW 7702 1.259 6115
57 51 Fairlight NSW 5489 0.902 6087
58 52 Hurstville NSW 26040 4.281 6082
59 53 Summer Hill (Ashfield - NSW) NSW 6587 1.092 6032
60 54 Forest
Lodge
NSW 2722 0.452 6019
61 55 Dolls Point NSW 1784 0.298 5991
62 56 Tamarama NSW 1450 0.243 5967
63 6 Prahran VIC 11191 1.901 5887
64 57 Darlington
(Sydney - NSW)
NSW 2243 0.381 5883
65 58 Newington (NSW) NSW 5320 0.908 5860
66 59 Clovelly NSW 4581 0.782 5858
67 60 Annandale (NSW) NSW 8669 1.489 5823
68 61 Petersham NSW 7529 1.298 5801
69 62 Rockdale NSW 14036 2.424 5790
70 7 Elwood VIC 14638 2.554 5732
71 63 Double Bay NSW 4687 0.819 5725
72 64 Darling
Point
NSW 3919 0.687 5703
73 65 Rhodes NSW 5679 1.006 5645
74 66 Cremorne
Point
NSW 1978 0.352 5618
75 67 Woollahra NSW 7180 1.279 5615
76 8 St
Kilda (Vic.)
VIC 17795 3.179 5597
77 9 St Kilda East VIC 12576 2.256 5575
78 2 New
Farm
QLD 11330 2.055 5513
79 68 Birchgrove NSW 3107 0.576 5397
80 10 St
Kilda West
VIC 2845 0.529 5381
81 3 Kangaroo Point (Qld) QLD 7000 1.301 5379
82 69 Lavender
Bay
NSW 852 0.159 5357
83 11 Richmond (Vic.) VIC 23814 4.476 5321
84 70 Meadowbank
(NSW)
NSW 3667 0.691 5303
85 71 Crows Nest (NSW) NSW 4048 0.765 5293
86 72 Camperdown
(NSW)
NSW 7866 1.491 5276
87 12 South Yarra VIC 19134 3.649 5243
88 73 Breakfast
Point
NSW 2744 0.524 5232
89 74 Randwick NSW 27740 5.309 5225
90 13 Glen
Huntly
VIC 4658 0.894 5212
91 75 Leichhardt (NSW) NSW 13520 2.612 5176
92 14 Ripponlea VIC 1478 0.286 5168
93 76 Beaconsfield (NSW) NSW 906 0.176 5147
94 77 Burwood
(NSW)
NSW 12466 2.425 5140
95 15 Collingwood (Vic.) VIC 6467 1.267 5104
96 16 Seddon
(Vic.)
VIC 4851 0.955 5078
97 78 Bronte NSW 6827 1.347 5069
98 79 Sydney NSW 14308 2.840 5039
99 80 Abbotsford (NSW) NSW 5112 1.018 5022
100 1 Highgate
(WA)
WA 1941 0.388 5004
101 81 Maroubra NSW 29594 5.924 4996
102 82 Drummoyne NSW 11378 2.279 4992
103 83 Kogarah NSW 12764 2.589 4930
104 17 North
Melbourne
VIC 11755 2.389 4920
105 84 Carlton (NSW) NSW 9808 1.995 4916
106 85 Penshurst
(NSW)
NSW 11692 2.386 4901
107 86 Brighton-le-Sands NSW 8003 1.636 4893
108 87 Westmead NSW 14171 2.903 4882
109 88 Bankstown NSW 30572 6.290 4861
110 18 Kingsville VIC 3509 0.725 4841
111 89 Kensington (NSW) NSW 12776 2.643 4835
112 4 Highgate
Hill
QLD 5824 1.210 4812
113 90 Chiswick NSW 2470 0.513 4812
114 19 Princes
Hill
VIC 2075 0.433 4790
115 20 Middle Park (Vic.) VIC 4058 0.848 4788
116 91 Zetland NSW 3812 0.804 4742
117 92 North Strathfield NSW 4441 0.939 4731
118 93 Cooks
Hill
NSW 3621 0.767 4720
119 94 Russell Lea NSW 4780 1.020 4685
120 95 Freshwater
(NSW)
NSW 8252 1.763 4681
121 96 Wareemba NSW 1474 0.317 4652
122 97 Belmore NSW 12574 2.731 4605
123 98 Cabramatta NSW 20780 4.535 4582
124 21 Fitzroy
North
VIC 11473 2.505 4580
125 99 Cammeray NSW 6784 1.487 4561
126 22 Melbourne VIC 28371 6.232 4552
127 100 Dawes Point NSW 544 0.120 4539
128 23 Kensington
(Vic.)
VIC 9719 2.147 4527
129 101 Fairfield Heights NSW 6649 1.474 4510
130 102 Lewisham
(NSW)
NSW 2927 0.650 4506
131 103 South Coogee NSW 5076 1.132 4483
132 104 Bellevue
Hill
NSW 10765 2.405 4476
133 105 Rozelle NSW 7919 1.777 4457
134 5 Spring
Hill (Qld)
QLD 5259 1.184 4440
135 24 Brunswick (Vic.) VIC 22764 5.142 4427
136 106 Cronulla NSW 17042 3.875 4397
137 107 Rosebery (NSW) NSW 8479 1.928 4397
138 108 South
Hurstville
NSW 4928 1.121 4395
139 109 Waverton NSW 2807 0.639 4392
140 110 Punchbowl
(Canterbury - NSW)
NSW 18429 4.243 4344
141 111 North Sydney NSW 6258 1.441 4341
142 112 Naremburn NSW 5474 1.261 4341
143 113 Bexley NSW 19067 4.399 4335
144 114 Bardwell
Valley
NSW 2205 0.510 4320
145 25 Carnegie VIC 16299 3.805 4284
146 115 Chatswood NSW 21194 4.961 4272
147 116 Croydon (NSW) NSW 10381 2.451 4236
148 117 Marrickville NSW 24613 5.813 4234
149 6 Auchenflower QLD 5352 1.270 4213
150 118 Croydon Park (NSW) NSW 10742 2.564 4189


Wednesday, 8 August 2012

A look at indigenous areas in Australia

This post examines the differences in areas with a high number of indigenous residents. The figures are derived from assigning an indigenous percentage to each ABS Statistical Area Level 1.

Household Size

Average household size by percentage indigenous Australian in area

Household sizes are significantly larger in areas with 80-100% indigenous Australians, compared with those in areas with 0-60%.

Age

Median age of persons by percentage indigenous Australian in area
Highly indigenous areas have much younger residents than non-indigenous areas. Areas with 90% or more indigenous residents have an average age 14 years younger than areas with no indigenous residents.

Monthly Mortgage Repayment

Median monthly mortgage repayment ($AUD) by percentage indigenous Australian in area
Mortgage repayments decrease steadily from $1868 each month in areas with 0% indigenous residents to a mean value of $4.95 for areas with 100% indigenous residents.

Weekly Rent

Median weekly rent ($AUD) by percentage indigenous Australian in area
Weekly rents are at a median of $303 for areas with no indigenous residents, and reduce to around $50 per week for areas with 90-100% indigenous residents.

Family Income

Median weekly family income ($AUD) by percentage indigenous Australian in area

Areas with no indigenous residents have a median family income of $1,602 per week. This is significantly more than areas with only 10% indigenous residents. Families in areas with 100% indigenous residents earn $583 per week.

Household Income



Median weekly household income ($AUD) by percentage indigenous Australian in area

This is a chart with some stark contrasts. Areas with no indigenous residents earn $1,390 per week. Beyond that, most areas have median household incomes of around $1,000 per week. The key exception is areas with 100% indigenous residents, where the households have a median income of $829.

Personal Income


Median weekly personal income ($AUD) by percentage indigenous Australian in area

Again, areas with no indigenous residents are significantly wealthier than other areas. Individuals in areas with 10-60% indigenous residents earn a fairly consistent amount of around 500$ per week. Beyond that level, individual incomes decrease significantly. People in areas with 100% indigenous residents earn around half of those in areas with 0-60% indigenous residents.


Friday, 3 August 2012

The gender pay gap

It is hardly revelatory that men earn higher incomes than women than women in Australia. The 2011 Australian census confirms this, and provides the opportunity to break down the salary gap by geographical area.

The gender pay gap in Australia across geographical areas
The income difference between males and females, by geographical area

The chart above looks at ABS Statistical Area Level 4 (SA4) regions in Australia, and provides a visual representation of the equivalent salaries in each. So, for example, where males in the Latrobe - Gippsland area earn an average of $771 each week, women earn $500 per week.


Male-to-female income ratio, top five and bottom five
The top five and bottom five areas by male-to-female income ratio. Inner city Sydney has the closest gap between males and females, and the area around Mackay in Queensland has the largest gap.

The chart above shows the top five and the bottom five areas in Australia for the ratio of male-to-female incomes. Male residents in inner city Sydney earn 1.23 times the income compared with females in the same area. Inner city Melbourne has a similarly close ratio at 1.25. Two other areas of inner Sydney plus the New South Wales Mid North Coast complete the five most balanced areas in Australia. The clear trend here is that most of the areas here are highly urbanised, high density areas. These are also areas generally dominated by service sector work.

At the other end of the scale, the area around Mackay in Queensland has the largest ratio. Men earn 1.87 times the income compared with women in this area. Mandurah, Bunbury and the Outback areas of Western Australia and the Fitzroy region of Queensland round out the top five areas by gender income inequality. The main trait shared by these areas is that most have significant mining activities occurring within their boundaries.

Wednesday, 1 August 2012

The cities vs regional Australia: How do earnings compare?

Regional Australia is a term coined by the Australian government to describe areas of Australia outside of the big four cities (well not quite this definition, but it's close enough). Successful, modern cities such as Sydney, Melbourne, Brisbane and Perth are magnets for productive, educated labour from all over the world. The magnetic appeal of Regional Australia to skilled labour is, in contrast, limited. In order to satisfy labour requirements, the Australian government entices suitably skilled labour to Regional Australia through fast-track visas and other incentives. The 2011 Australian census presents an opportunity to partition data by geographical area and therefore allow us to perform a comparison between Regional Australia and its state capitals.

I recently posted about income distribution across Australian states, which included income equality analysis based on standard deviation measurements. The logic behind this approach is that a wider spread of incomes indicates a higher degree of income inequality. The chart below shows relative standard deviation, i.e. the spread of incomes relative to the mean value. This relative figure solves the problem where a lower average income compresses the spread, making lower income regions appear more equal.

Regional WA is the most unequal area in Australia
Relative standard deviation i.e. the spread of incomes relative to the mean income. This is an indicator of income inequality where the larger the percentage, the greater the inequality.


As can be seen above, regional Western Australia appears to have the highest degree of income inequality in the country, when measured by relative standard deviation. It even surpasses Northern Territory, the state/territory with the highest level of inequality covered in my previous post. The Western Australia section below covers the issue of regional WA income inequality in more detail..

New South Wales

Australia's most populous state exhibits a stark contrast between Sydney and the rest of the state. Household income in regional New South Wales rises sharply to form a tall spike with a mode around $900 per week, then tapers away to almost zero by the $2,200 point. Sydney forms an entirely different income profile, with a more even spread across a range of income levels, with the most common income bracket being $1,300 per week.


Income distribution in Sydney vs the rest of New South Wales

The mean Sydney weekly income is $1,556 per week, equivalent to $81,203 per year, whereas regional NSW residents earn a mean $1,051 each week ($54,829 per annum), which is equivalent to 48% less than in the city. 

Queensland

Queensland is unique among Australian states in that its state capital, Brisbane, does not dominate quite to the same extent as capitals in other states. The second city in Queensland, Gold Coast, also doubles as Australia's fifth largest city, albeit one that is slowly merging with the capital over time. The Gold Coast is not classified as Regional Australia and if it was measured simply as 'non-Brisbane Queensland' then it could skew the results for regional Queensland significantly. It is for these reasons that both Brisbane and the Gold Coast are separately assessed for Queensland.

Income distribution in Brisbane vs the Gold Coast vs the rest of New South Wales

What we see in Queensland is that the Brisbane is significantly wealthier than regional Queensland, and the Gold Coast sits somewhere in between the two. When measured by relative standard deviation, regional Queensland has higher levels of income inequality than the cities of South-East Queensland.

The Gold Coast and Brisbane have a fairly similar profile, and this may be expected given that the two cities are within commuting distance and therefore share significant portions of their economies with each other. There are two key differentiators between the two cities however. The Gold Coast has a bimodal profile in that there are spikes around both the $1,000 and the $1,400 per week bracket. Brisbane follows a more typical profile of having a single peak around $1,400 per week. The second key difference is that there are far more high earners in Brisbane than in the Gold Coast. For example, only around 0.5% of Gold Coast residents indicated that their household earned $2,300 per week ($120,000 per year). Of the Brisbane-based respondents, approximately 2.3% indicated that they earned this amount i.e. 4-5 times the frequency.

Victoria

Regional Victoria stands out as having the most extreme spike around a single income bracket. Around 16% of regional Victorians - around 1 in 6 - indicated a household income of $900 per week. This can be interpreted as indicating a high degree of income equality. Regional Victoria ranks third lowest in terms of relative standard deviation, further supporting its claims to higher income equality.

Melbourne-based residents earn significantly more than those in the regional areas. For example, only 6% of Melbourne households earn $900 per week and the most frequent income bracket is $1,400 per week.

Income distribution in Melbourne vs the rest of Victoria

Victoria is the only state in Australia where its capital has higher inequality than its regions. This can perhaps be attributed to a lack of mining activity in the state relative to other states.

Western Australia

Western Australia - the primary recipient of mining boom economic effects - appears to have the closest correlation between its capital, Perth, and the rest of the state. With a mean household income of $1,520, Perth households earn approximately $200 more than their regional counterparts. As a key base for FIFO mine workers, and the location of many mining offices, Perth is a city that is reaping the benefits of the growth in the resource sector.
Income distribution in Perth vs the rest of Western Australia
Two characteristics stand out for regional Western Australia. One is the quantity of households earning no income each week, and the other is the significant spike at the $2,800 per week mark ($146,000 per year). Over 2% of regional Western Australian households report no weekly income. This is approximately double the rate seen in other areas measured here and many times the frequency seen in Perth.

At the other end of the income spectrum, almost 3.5% of regional Western Australians report an annual household income of over $146,000 each year. Of the areas measured here, only Sydney-based residents come remotely close to this, with around 2% reporting incomes at this level.

Regional Western Australia has the highest income inequality in Australia, when measured by relative standard deviation. Its relative standard deviation of 53% is thanks to a standard deviation of $690, and a mean income of $1,305. In comparison, the Northern Territory's relative figure is 47%, Perth and Brisbane's is 39% and the figure for the Australian Capital Territory is 34%.