This blog is intended to go along with Population: An Introduction to Concepts and Issues, by John R. Weeks, published by Cengage Learning. The latest edition is the 13th (it will be out in January 2020), but this blog is meant to complement any edition of the book by showing the way in which demographic issues are regularly in the news.

You can download an iPhone app for the 13th edition from the App Store (search for Weeks Population).

If you are a user of my textbook and would like to suggest a blog post idea, please email me at:

Sunday, September 19, 2010


The Mexican government has consistently opposed the walls and fences erected by the US along the US-Mexico border. But, as my son, Gregory Weeks, has pointed out, Mexico is building a wall along its southern border with Guatemala in order to keep out "contraband" and, of course, illegal immigrants. Trying to fence off the US from Mexico has, by all available evidence, done nothing to deter undocumented immigrants from entering the country. Rather, it encourages them to stay once here, since the cost of going back and forth is now higher than it used to be. There is no reason to believe that Mexico's experience will be any different.

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