
The Industrial and Commercial bank of China (ICBC) is the world's largest bank in terms of market capitalisation, profitability and customer deposits.
Here's list of world's biggest banks ranked by market capitalization, according to relbanks.com.
Industrial & Commercial bank of China (ICBC)
Rank: 1
Mcap: $233.6 billion
Country: China
Market Capitalisation as of 30/04/2013.

China Construction Bank
Rank: 2
MCap: $209.2 billion
Country: China

HSBC Holdings
Rank: 3
MCap: $202.4 billion
Country: United Kingdom
...

Wells Fargo & Co
Rank: 4
MCap: $200.2 billion
Country: United States
...

JP Morgan Chase & Co
Rank: 5
MCap: $187.6 billion
Country: United States
...

Agricultural Bank of China
Rank: 6
MCap: $142.9 billion
Country: China
...

Citigroup
Rank: 7
MCap: $141.8 billion
Country: United States
...

Bank of America
Rank: 8
MCap: $133.2 billion
Country: United States
...

Bank of China
Rank: 9
MCap: $130.0 billion
Country: China
...

Commonwealth Bank of Australia
Rank: 10
MCap: $122.3 billion
Country: Australia
...

Westpac Banking Corporation
Rank: 11
MCap: $108.5 billion
Country: Australia
...

Mitsubishi UFJ Financial Group (MUFG)
Rank: 12
MCap: $96.37 billion
Country: Japan
...

Australia and New Zealand Banking (ANZ)
Rank: 13
MCap: $90.37 billion
Country: Australia
...

Royal Bank of Canada
Rank: 14
MCap: $87.17 billion
Country: Canada
...

National Australia Bank
Rank: 15
MCap: $82.38 billion
Country: Australia
...

Itau Unibanco
Rank: 16
MCap: $77.37 billion
Country: Brazil
...

Banco Santander
Rank: 17
MCap: $75.79 billion
Country: Spain
...

Toronto-Dominion Bank
Rank: 18
MCap: $75.67 billion
Country: Canada
...

American Express
Rank: 19
MCap: $75.57 billion
Country: United States
...

Sberbank of Russia
Rank: 20
MCap: $71.45 billion
Country: Russia
...

Banco Bradesco
Rank: 21
MCap: $71 billion
Country: Brazil
...

BNP Paribas
Rank: 22
MCap: $68.83 billion
Country: France
...

Bank of Nova Scotia (Scotiabank)
Rank: 23
MCap: $68.83 billion
Country: Canada
...

Goldman Sachs Group
Rank: 24
MCap: $68.00 billion
Country: US
...

UBS AG
Rank: 25
MCap: $67.88 billion
Country: Switzerland
...

Sumitomo Mitsui Financial
Rank: 26
MCap: $66.85 billion
Country: Japan
...

US Bancorp
Rank: 27
MCap: $62.03 billion
Country: US
...

Standard Chartered
Rank: 28
MCap: $60.46 billion
Country: UK
...

Lloyds Banking Group
Rank: 29
MCap: $59.89 billion
Country: UK
...

Bank of Communications
Rank: 30
MCap: $57.28 billion
Country: China