Development refers to improvements in the conditions of people’s lives, such as health, education, and income. It occurs at different rates in different countries. The U.S. underwent its own version of development since the time it became an independent nation in 1776.Learn more about Rich World, Poor World: A Guide to Global Development
The Commitment to Development Index (CDI), which ranks 21 countries across six policy areas, is widely seen as the most comprehensive and substantive measure of rich country policies towards development. In response to requests from other would-be index builders, CDI architect David Roodman describes the work of the interdisciplinary team that builds and runs the Index. Among the lessons: to work well, policy indexes must combine humility with a clear sense of purpose.