Competitiveness:

Canada
    Conference Board of Canada e-Library
              Browse by topic -> Economic Trends for forecasting

   
CANSIM - Statistics Canada's main database(free version) CANSIM II (able to change frequency and chart)
    Search North American Industry Classification System (NAICS) 2012 to determine the code for an industry

United States
   

World

Global Economic Prospects (World Bank) Note: Commodity Markets Website. Also note Data & Research tab at top - Data leads to country statistics.

World Economic Outlook (International Monetary Fund)  - publication has an underlying database. Note link to Data and Statistics - leads to many databases - one of which is Principal Global Indicators. Further data is available from OECD iLibrary