Marketline Advantage - Once inside, click on databases to reach their macro-economics statistics.
International Financial Statistics - From the International Monetary Fund. The IFS database contains approximately 32,000 time series covering more than 200 countries and areas and includes all series appearing on the IFS Country Pages; exchange rate series for all Fund member countries, plus Aruba and the Netherlands Antilles; major Fund accounts series; and most other world, area, and country series from the IFS World Tables.
OECD - Statistics measuring productivity and global flows of trade and investment in countries around the world. Analyse and compare data to predict future trends. Browse statistics by country or by topic.
Passport GMID - This database also contains statistics on GDP, debt, money, savings, research and development spending and other financial data.
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CIA World Factbook - Statistics on countries and rankings based on a variety of metrics.