Check out the new resources on the Changing Library Workforce (http://www.lrs.org/workforce.asp) webpage, including links to studies from the U.S., Canada, and the United Kingdom.
There are also some very interesting articles & a presentation about the changes taking place in the library profession. Look for links to these articles:
* A Look at the Generations: Retirements and Rejuvenation of the Library Workforce
* A Worldwide Shortage of Librarians
* Diversity In The Library Workforce
* The Entry Level Gap
* Moving On Out
* Fixing the First Job