Above all, Kent had a vision to build a cable company that operated in second-tier suburban markets and college towns with low population density.

FORBES: Strategies

An example of a better approach might be to group retail sites by high, medium and low population density in the surrounding 10 mile area.

FORBES: Esri Continues Focus on Spatial Analytics for Business

Kazakhstan has additional obstacles: Cold weather, few tennis courts and a large land mass with low population density, which makes for expensive travel and greater difficulty in creating clusters of talent.

WSJ: How to Build a Tennis Empire

While the residents of Samso can take advantage of their island's blustery weather, open spaces and low-population density to be carbon neutral, the success of wind energy on a global scale may come down to simple economics.

CNN: Striking a blow for wind power

We have low population density, clean air, fresh water, fertile land, an ocean on either side and a grand total of two nations on our borders. (One of which is a also a huge, stable and peaceful nation with clean air, fresh water, and fertile land and even lower population density).

FORBES: Crossroads for the Sole Superpower

Moreover, with the exception of the continent's handful of natural resource-rich, low population-density countries like Angola (see my September 9, 2008 column advocating an intensified strategic engagement with the geopolitically significant Southern African country), most of America's would-be partners are constrained by lack of the financial wherewithal to upgrade their capabilities to meet even short-term priorities.

CENTERFORSECURITYPOLICY: A stimulus for African security

Population density is low and there are no large cities.

UNESCO: EDUCATION

Certainly sustained economic growth, low density and more affordable housing all clearly continue to push the center of population gravity toward certain Sun Belt cities, primarily in the Southeast and Texas.

FORBES: America's Fastest- and Slowest-Growing Cities