More Specifc Financial and Health Sources
World Development Indicators - World Bank is an excellent tool for finding country statistics.
World Health Organization Health Topics has statistical and news information on the 193 member countries.
United Nations Water UN-Water is the United Nations inter-agency coordination mechanism for all freshwater and sanitation related matters.
The World’s Water Reports on access to fresh water and sanitation. See the 2011 edition "Data Section" for statistics by country
International Financial Statistics Online has detailed financial statistics
Britannica.com World Data Analyst is useful for statistical country rankings and direct comparisons as well as quick country overviews
OECD Library and OECD Statistics primarily on the most developed countries with some additional coverage.