The Down Range Forum
Member Section => Down Range Cafe => Topic started by: philw on February 12, 2010, 06:03:23 AM
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was talking with one of the blokes at work re populations
we looked up how big is Australia to USA and the size of cities
http://simple.wikipedia.org/wiki/List_of_United_States_cities_by_population
http://en.wikipedia.org/wiki/List_of_cities_in_Australia_by_population
1 New York New York 8,363,710
2 Los Angeles California 3,833,995
3 Chicago Illinois 2,853,114
4 Houston Texas 2,242,193
5 Phoenix Arizona 1,567,924
6 Philadelphia Pennsylvania 1,447,395
7 San Antonio Texas 1,351,305
8 Dallas Texas 1,279,910
9 San Diego California 1,279,329
10 San Jose California 948,279
1 Sydney New South Wales 4,399,722
2 Melbourne Victoria 3,892,419
3 Brisbane Queensland 1,945,639
4 Perth Western Australia 1,602,559
5 Adelaide South Australia 1,172,105
6 Gold Coast-Tweed Queensland/New South Wales 558,888
7 Newcastle New South Wales 531,191
8 Canberra-Queanbeyan Australian Capital Territory/New South Wales 395,126
* Canberra Australian Capital Territory[3] 345,257
9 Wollongong New South Wales 284,169
10 Sunshine Coast Queensland 237,562
11 Greater Hobart Tasmania 209,287
also with how big we are compared to Europe
(http://www.vskc.org.au/uploads/exped/Australia%20and%20Europe%20compared.jpg)
yet 90% or so of our population is around the City's
interesting to look at though
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Similar to China. I used to think China was a very large country but it turns out it has about the same area as the USA.
Like Australia, 90% of it's population is in the cities along the coast.
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I would guess that most countries have 80% to 90% of their populations living in cities/suburban areas. I found some other interesting tid-bits concerning how the world's land mass is utilized.
Land Use Statistics - About 30 percent of the surface is exposed land and 70% is covered by water. This land usage is broken out as follows:
Arable land: 13.13 percent (of the 30%)
Defined as: Land cultivated for crops like wheat, maize, and rice that are replanted after each harvest
Permanent crops: 4.71 percent (of the 30%)
Defined as: Land cultivated for crops like citrus, coffee, and rubber that are not replanted after each harvest; includes land under flowering shrubs, fruit trees, nut trees, and vines, but excludes land under trees grown for wood or timber.
Permanent pastures: 26 percent (of the 30%)
Forests and woodland: 32 percent (of the 30%)
Urban areas: 1.5 percent (of the 30%)
It is estimated that 12.5% of the Earth’s surface is suitable for humans to dwell. The 1.5% above is a fraction of the fraction. If my math is correct Urban Area's occupy just .05% of the total Earth's surface. In reality, people occupy an insignificant percentage of the Earth's surface.
Other: 30 percent (of the 30%)
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38-24-36
Those are interesting numbers!!!!!!LOL
JMHO
Richard
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I would guess that most countries have 80% to 90% of their populations living in cities/suburban areas. I found some other interesting tid-bits concerning how the world's land mass is utilized.
Arable land: 13.13 percent (of the 30%)
Defined as: Land cultivated for crops like wheat, maize, and rice that are replanted after each harvest
Permanent crops: 4.71 percent (of the 30%)
Defined as: Land cultivated for crops like citrus, coffee, and rubber that are not replanted after each harvest; includes land under flowering shrubs, fruit trees, nut trees, and vines, but excludes land under trees grown for wood or timber.
It is estimated that 12.5% of the Earth’s surface is suitable for humans to dwell. The 1.5% above is a fraction of the fraction. If my math is correct Urban Area's occupy just .05% of the total Earth's surface. In reality, people occupy an insignificant percentage of the Earth's surface.
Interesting that there is more land suitable for crops (13.13 + 4.71 = 17.30) than is suitable for human dwelling (12.5). I guess no one would want to live in a rice paddy...but I wonder what other crops are like that?