Links for Geography Research

The CIA World Factbook: List of countries and their profiles

https://www.cia.gov/library/publications/the-world-factbook/index.html

Wealth Distribution Around World:

http://en.wikipedia.org/wiki/Distribution_of_wealth

Population Density / Distribution around the world w/ some comparitive statistics.

http://bernware.com/resources/popnotes.pdf

In Depth Population Breakdown from U.S. Census Bureau (good source)

http://www.census.gov/ipc/prod/wp02/wp-02003.pdf

The Earth Institute Directory (growing urbanization of the world)

http://www.earth.columbia.edu/news/2005/story03-07-05.html