The number of government-insured commercial banks has decreased in the past decade, indicating that smaller banks are merging, or closing. These smaller banks, including credit unions, focus more on individual clients. While this gives them a broader customer base, it also leaves them exposed to non-performing loans. High costs of holding brick and mortar banks complement the shift of the leading banks towards mobile and internet banking, which has itself led to several branchless banks.
Investment banking is also extremely lucrative, and most of the leading banks worldwide are from the United States, when measuring by revenue from investment banking. These investments often generate a higher return personal accounts. On the other end of the spectrum, private banks cater to high-net-worth individuals. These banks manage and invest the assets of such individuals, hoping to earn a modest return in exchange for management fees.