Earnings for the fourth quarter were USD 350 million, down from USD 2.5 billion a year earlier.
The biggest drag came from a previously announced USD 3.5 billion charge for legal costs and corporate repositioning.
Like other banks, Citi has faced numerous government and private litigation allegations that it conspired with its competitors to rig interest rates and foreign-exchange trades.
Large legal charges also weighed on annual net income, which fell 46.5 per cent from last year to USD 7.3 billion.
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Citi chief executive Michael Corbat said 2014 results overall "fell short of our expectations," but that the company made progress simplifying its corporate structure, removing unnecessary risk and cutting expenses.
The big US bank also faced tough questions in 2014 after the Federal Reserve rejected its plan for shareholder distributions and after it disclosed a large fraud case involving its Mexican subsidiary.
Citi chief financial officer John Gerspach told an analyst conference call that 2014 was a "noisy" year but that the headline news "masks some of the progress we made."
Earnings in Citi's global consumer banking segment rose eight percent to USD 1.7 billion, thanks in part to higher revenues in North America, where average loans rose 10 per cent and there was a one per cent gain in average deposits.
Revenues fell in global consumer banking in international segments, but part of that was due to the strong dollar.
Revenues dropped two per cent in Asia, but rose one per cent in constant dollars.