The list below shows the largest banks in the world based on market capitalization as of January 20, 2012. Industrial & Commercial Bank of China (ICBC) is the largest bank in the world by market capitalization value. Chinese banks occupy the top positions. The People’s Republic now has 4 of the top 7 banks, including the top 2.
The following is a list of the top 20 largest US banks ranked by market capitalization as of January 20, 2012. Wells Fargo is the largest bank in the United States with market cap of over $160 billion.
World’s Largest Gold Reserves
relbanks.com (Jan 2012)
Top Ten Banks by Reuters: Investment Banking Review
Financial Times (Seem hard to use their data.)
Worlds’ Biggest Banks
Global finance (Oct 2011)