Here are some more links to resources about population:
- 100 people: a world portrait - global education toolbox
- Worldometers - real time world statistics
http://www.worldometers.info/ This site updates world statistics in real time and includes statistics on population, food, health etc.
- Global statistics
http://www.xist.org/ This site contains statistics of population of regions, countries, provinces and cities. There are various tops around the world, e.g. largest countries, longest rivers, highest mountains etc
- Vital statistics
http://earthpulse.nationalgeographic.com/earthpulse/earthpulse-map National Geographic's Earth Pulse site examines the state of the world in 2012 with graphically displayedstatistics on population, migration, agriculture, political migration and refugees.