Worldometers is a new website reporting world statistics in real time. Worldometers is edited by leading experts on a variety of topics related to development and demographics. The list of agencies worldometers draws from is very extensive and impressive. Visit the worldometers sources page to see the entire list.
Applications for Educators
Worldometers.info and Stop The Hunger.com are useful for quickly finding development data. An interesting lesson using Stop the Hunger and Worldometers would be to have students track patterns in development statistics over a period of hours or days to see how fast some statistics like national debt or world population change. The links to the sources page is a good reference for further investigation.