Citigroup's cost to income ratio reached 57.0% in the first quarter of 2019, down from 57.8% when compared to the previous quarter.
Historically, the bank’s costs reached an all time high of 436% of income in 4Q2008 and an all time low of 40.0% in 2Q2009.
When compared to total assets, bank's cost amounted to 2.18% in 1Q2019, up from 2.06% in the previous quarter.
Staff accounted for 53.5% of total operating expenditures in the first quarter of 2019. The bank operated a network of 2,404 branches and employed 203,000 persons in 1Q2019.