The United Nations is a great resource site for research on country specific topics.
You can use it you are researching any group of countries for a particular policy comparison or product estimation .
http://unstats.un.org/unsd/cdb/cdb_help/cdb_quick_start.asp
You can click on the Country Profile link on the left.
A simple querying tool allows you specific country profiles along parameters.
Eg. India’s economy-
http://unstats.un.org/unsd/cdb/cdb_country_prof_results.asp?crID=356&cpID=11
The site requires you to acknolwedge credits and commercial usage
needs special permission. But it remains the most comprehensive and neutral sources of economic data.
A drawback is sometimes data is not updated for latest years.
The solution to that is individual statistics department of government. Historic time series are best used during this tool.
DECISION STATS 