Open ended questions are usually difficult to answer, for instance where one can find data sources for economic indicators. Perhaps, the following list may suggest good places to start your quest for data.
Data Sources: A Compendium by the Econbrowser website
Data Sources at the American Economic Association website
Economic Data freely available online by the Economics Network
IMF Data by the International Monetary Fund
Public Use Data Archive by the NBER
Good luck in your data hunting!