18 September 2009

This rocks my world

From Ryan Briggs: here and here

If you think that population density is important for political and economic outcomes (I do), this development could be pretty revolutionary. I'd be interested though to know how much of this density is due to Nigeria, South Africa, Ethiopia, and the East African Community, and how the other 40 or so countries fare.


Ryan said...

I also think that this is a really big deal, and I'm glad that someone else found it surprising and interesting.

Here is a graph with just sub-saharan Africa: http://twitpic.com/i72ny
I'm going to try to make an animated, shaded map of Africa to show pop density changes across countries from 1950-2010.

Here is a (long, ugly) link to all of the relevant data in case someone else feels like doing it for me: http://data.un.org/Data.aspx?q=ethiopia+population+density&d=PopDiv&f=variableID%3a14%3bcrID%3a108%2c12%2c120%2c132%2c140%2c148%2c174%2c178%2c180%2c204%2c226%2c231%2c232%2c24%2c262%2c266%2c270%2c288%2c324%2c384%2c404%2c426%2c430%2c450%2c454%2c466%2c478%2c480%2c504%2c508%2c516%2c562%2c566%2c624%2c646%2c678%2c686%2c690%2c694%2c706%2c710%2c716%2c72%2c736%2c748%2c768%2c788%2c800%2c818%2c834%2c854%2c894%2c947%3btimeID%3a1001%2c1006%2c1011%2c1016%2c1021%2c1026%2c1031%2c1036%2c1041%2c1046%2c1051%2c1056%2c1061%3bvarID%3a2&c=2,4,6,7&s=_crEngNameOrderBy:asc,_timeEngNameOrderBy:desc,_varEngNameOrderBy:asc&v=1

Lee said...

You can get a quick low-tech equivalent by flicking through these maps - density for 1960/1970/1980/1990/2000


R said...

Would love to hear more about the ways in which you think population density affects political and economic outcomes. My initial brainstorms:

On the positive side, cities allow for much more efficient markets and social linkages, and are probably less resource intense in some ways (e.g. transportation fuel).

On the negative side, poverty and unemployment can be particularly explosive in urban settings, and the urban poor are more vulnerable to higher food prices, which may be here to stay.

Any thoughts?

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