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#1
Hans van der Maarel

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Hi everybody,

I'm looking for a dataset of cities, worldwide, with reliable population numbers, say anything over 100.000 (yeah, I know I'm asking a lot here). GNIS has an attribute field for just that number, but it's generally not filled, so that's out of the question. Just a list of cities with their populations would be useful too, I can then join it with a georeferenced file.

Any pointers?
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#2
Rob

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this here link:

http://www.mongabay....ties_pop_01.htm

ranks the top 1000 by population, but it doesn't get you down to the 100k level, close though.

[Edit: it's got a link to many more at the top.]

#3
Andrew

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this here link:

http://www.mongabay....ties_pop_01.htm

ranks the top 1000 by population, but it doesn't get you down to the 100k level, close though.

[Edit: it's got a link to many more at the top.]


Hi,

Another site which I have in my favourites which is handy for quick references is the World Gazetteer.
I noticed there was reference to it at the top of a page on that site. http://www.world-gazetteer.com/

Andrew

#4
Jean-Louis

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I was looking over the link http://www.mongabay....ties_pop_01.htm
and it doesnt seem right to me,
How can Montreal and even Vancouver, Canada be bigger than Paris and Chicago?
There are different ways you can count the numbers but if you count Montreal at 3.5 million which is the entire metro area dont you also have to count the Greater Paris metro area at over 9 million?
Jean-Louis Rheault
Montreal


#5
frax

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I think the "ESRI Data & Maps" data, that comes with most (all?) ESRI software (e.g. ArcGIS) has world cities. Don't really know about the quality of the data though, and the issues related to urban areas vs city proper...
Hugo Ahlenius
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#6
Hans van der Maarel

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I think the "ESRI Data & Maps" data, that comes with most (all?) ESRI software (e.g. ArcGIS) has world cities. Don't really know about the quality of the data though, and the issues related to urban areas vs city proper...


I don't have any ESRI products ;)

Manifold comes with a lot of data too and as with ESRI it's largely derived from DCW/VMAP. There is a "world cities" file available in that set which is useless because it's actually world airports. Don't know if that's the case for the ESRI data too, but I wouldn't be surprised.

Found the World Gazetteer, seems reliable but not extensive enough. Mongabay goes down to ~118000 inhabitants, but it seems it's not consistent in using city vs urban population. The city of Paris has less inhabitants than the Vancouver urban area...

Fortunately, at this point I don't actually need the actual population numbers that much, just need to make some distinction in relative city size.

-- edit --

Ah, found this second list: Urban areas on Mongabay. This seems to do a better job, it's listing both urban and city populations.
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#7
Martin Gamache

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There is a raster population dataset out there that is quite good...Landscan.
http://www.ornl.gov/...scan/index.html

#8
Charlie Frye

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Manifold comes with a lot of data too and as with ESRI it's largely derived from DCW/VMAP. There is a "world cities" file available in that set which is useless because it's actually world airports. Don't know if that's the case for the ESRI data too, but I wouldn't be surprised.


Actually it's been a long time since we pulled data from DCW, and I'm pretty sure airports didn't figure in. 12-15 years ago including data with the product was something of an afterthought, but that has evolved and changed tremendously. So if you've got the data, you're getting a really good deal.

We've got a large team that now researches and compiles our data, releasing a new edition each year. We've had many favorable comments & reviews about the quality and currency of the data from a variety of NGOs and federal agencies. All the data is completely documented which includes full lineage, with sources and procedures we used to make the updates. For instance the lineage for the world cities is:
  • ArcWorld™ Supplement, 1996
  • United States Department of State, Bureau of Intelligence and Research, 1993/1994
  • The World Factbook 2000; 2003
  • U.S. National Imagery and Mapping Agency (Now NGA)
  • Bartholemew and Times Books, 1999
  • US Board on Geographic Names, 2000
  • BBC News (2002)
  • International Organization for Standardization (2002)
Also, there are 2,539 cities with populations starting at 50,000 people.

The main point is that the ESRI data is very well researched, kept up to date, and from a information design standpoint becoming more an more useful for cartographic purposes with each new release.
Charlie Frye
Chief Cartographer
Software Products Department
ESRI, Redlands, California

#9
Hans van der Maarel

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Actually it's been a long time since we pulled data from DCW, and I'm pretty sure airports didn't figure in. 12-15 years ago including data with the product was something of an afterthought, but that has evolved and changed tremendously. So if you've got the data, you're getting a really good deal.

The main point is that the ESRI data is very well researched, kept up to date, and from a information design standpoint becoming more an more useful for cartographic purposes with each new release.


How would I obtain the data without purchasing a license of Arc***, and what's the ESRI licensing model on the data?
Hans van der Maarel - Cartotalk Editor
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#10
Wes Peck

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This might be a suitable data source.

World Cities Population Database contains the location and population of 3000 cities with populations of 100,000 or more.

http://gcmd.nasa.gov...D_GNV00029.html

#11
Martin Gamache

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Has it been updated since 1990 though?

#12
Wes Peck

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Fortunately, at this point I don't actually need the actual population numbers that much, just need to make some distinction in relative city size.


The data are a bit dated, however they should meet the overall goal.

#13
Martin Gamache

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For places like China which have seen dramatic population migration over the last 15 years I would be concerned about a 17 year old dataset.

#14
mdsumner

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Australian Census 2006 just in.

:P

#15
Dennis McClendon

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How would I obtain the data without purchasing a license of Arc?

It's pretty easy to find the CD set on eBay for a few dollars.
Dennis McClendon, Chicago CartoGraphics
chicagocarto.com




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