In London, riders on the Tube are reminded to "Mind the Gap". On the Gapminder website, visitors are reminded to mind a variety of gaps, whether they be in income inequality or quality of health care. This rather absorbing website was created as a non-profit venture to promote "sustainable global development and achievement of the United Nations Millennium Development Goals by increased use and...

This fascinating interactive map from the United Nations Development Program provides Human Development Reports on over 200 countries around the world. Fancy a factoid? While the United States scores number five in its ability to promote human development, with a mean income of $50,000 a year and a murder rate of less than 5 out of every 100,000 people, the prison population stands at a whopping...

As part of its mission, the Organisation for Economic Cooperation and Development (OECD) collects various statistics needed to create reports for both its member nations and the general public. Visitors can browse a variety of data sets as well as download data in Excel file format. A useful glossary is also provided.