Original article by Roy Morgan Research
Market Research Update – Page: Online : 23-Feb-15

A Roy Morgan Consumer Single Source Survey has found that the "share of wallet" of each of Australia’s four major bank has increased over the last decade. The ANZ Bank’s share of wallet rose by 5.2 per cent to 28.8 per cent between January 2004 and December 2014, while the Commonwealth Bank of Australia’s share rose by 4.3 per cent to 34.2 per cent. For accounts/deposits, CBA has the highest share of their customers’ wallet with 60.3 per cent (up 7.1 per cent over the last 10 years), followed by Westpac with 55.3 per cent (up three per cent)

CORPORATES
ROY MORGAN RESEARCH LIMITED, NATIONAL AUSTRALIA BANK LIMITED – ASX NAB, COMMONWEALTH BANK OF AUSTRALIA – ASX CBA, WESTPAC BANKING CORPORATION – ASX WBC, AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED – ASX ANZ