Doing Business provides objective measures of business regulations and their enforcement across 183 economies. Each economy is ranked according to 10 sets of indicators. These are combined into an overall "ease of doing business" ranking.

DB
Topical
Annual
Developing and high-income economies
183
2004
2010
Data for Taiwan, China are available
National
Annual in July
October, 2011
July, 2012
Doing Business, The World Bank