You’ll find a large amount of data available through the World Bank’s Open Data Initiative: for time-series alone, there are some 8,000 indicators for around 200 countries. http://databank.worldbank.org/data/databases.aspx
Available are six topics so far: poverty, gender, jobs, health, financial inclusion, and the policy and institutional framework in African countries.
World Development Indicators (WDI) is the primary World Bank collection of development indicators, compiled from officially recognized international sources. It presents the most current and accurate global development data available, and includes national, regional and global estimates. [Note: Even though Global Development Finance (GDF) is no longer listed in the WDI database name, all external debt and financial flows data continue to be included in WDI. The GDF publication has been renamed International Debt Statistics (IDS), and has its own separate database, as well.
You can access a wide range of this and other data relevant for development with Weitzenegger’s Statistics Spider from http://statistics.weitzenegger.de