Other statistical databases

Penn World Table
Provides purchasing power parity and national income accounts for 189 countries/territories for 1950-2009.

International Financial Statistics (IFS)
Statistical database from IMF containing about 32 000 time series covering 200 countries.

UN-Data
60 years of statistical information collected by United Nations.

World Bank Data Catalog
Covering almost all the World Bank statistical databases.

OECD iLibrary

Statistics, journals, reports and books from the OECD.