Operated by the respected Population Reference Bureau, this site has loads of data and reports about the U.S. population and demographic trends. (
http://www.ameristat.org/
)
The United Nations Population Information Network offers data on world population and demographic trends. This site is a bit confusing, but there's a lot of useful content. (
http://www.un.org/popin/
)
UNFPA is the UN agency that funds population and reproductive health programs around the world. While there's a bit of an agenda here, there are a lot of good publications and reports. Don't overlook the graphs and tables. (
http://www.unfpa.org/
)
The best site, in my opinion, for easy access to global, regional, and country-specific population data. Go here first if you're looking for data on areas outside your country. (
http://www.prb.org/
)
PopNet is an extension of the Population Reference Bureau and offers a good number of links to governmental and non-governmental sites that deal with population data or issues. (
http://www.popnet.org
)
This is the portal for demograhic, social, and housing statistics maintained by the United Nations. (
http://unstats.un.org/unsd/demographic/default.htm
)
This is the U.S. Census Bureau's site of international population statistics. Check out the population pyramids section in particular. (
http://www.census.gov/ipc/www/idbnew.html
)
A database of health, population, and social statistics maintained by the U.S. Centers for Disease Control and Prevention. (
http://www.cdc.gov/nchs/
)
The World Health Organization is not a demographic research organization per se, but you'll find this site quite useful for understanding the range of health issues faced by the planet's growing population. (
http://www.who.int/en/
)
This is a World Health Organization guide to statistics it keeps across its organization. For that reason, this is a good place to start if you're looking for health statistics. (
http://www3.who.int/whosis/menu.cfm
)
Because AIDS is ravaging the populations of many countries, it's vital for the student of global population geography to understand the disease and its spatial distribution. This site helps to do that. (
http://www.aegis.org/
)
Not pretty to look at, but this site will point you towards information about census taking around the world and some international demographic statistics. (
http://www.census.gov/ipc/www/
)
The CIA World Factbook has long been a reliable source for very basic population data about the world's countries. The site is well organized and easy to use. (
http://www.odci.gov/cia/publications/factbook/
)
Links, links, and more links. There's no excuse not to find some data or an organization after visiting this site. (
http://www.sosig.ac.uk/roads/subject-listing/World-cat/demog.html
)
This site is a database of professional literature on reproductive health issues. Many publications must be purchased. (
http://db.jhuccp.org/popinform/basic.html
)
This is an online lesson in how populations grow, maintain a balance, or decline. Squirrels seem to be the main focus. (
http://arcytech.org/java/population/
)
This speciality group of the Association of American Geographers (AAG) might be a good organization to join if you develop a deeper interest in population geography. (
http://www.pop.psu.edu/aag/psg.html
)