The cost-to-income ratio (CIR) measures the profitability and efficiency of a bank by putting operating costs in relation to operating income. The lower the cost-income ratio, the more profitable the bank.Â
Includes nationwide commercial banks, regional banks, digital banks, and specialized banks established by the government. Foreign bank branches were excluded.
1,000 South Korean won equals 0.72 U.S. dollars or 0.64 euros as of May 2025.
Figures have been rounded.
The release date used here is the access date.
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Cost-to-income ratio of banks South Korea 2024, by bank
In fiscal year 2024, the cost-to-income ratio (CIR) of the Export-Import Bank of Korea reached about ** percent, making it the most cost-efficient bank among all domestic banks in South Korea. It was followed by Toss Bank with around ** percent.
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Financial Supervisory Service. (May 12, 2025). Cost-to-income ratio (CIR) of banks in South Korea in 2024, by bank [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1241796/south-korea-cost-income-ratio-by-bank/
Financial Supervisory Service. "Cost-to-income ratio (CIR) of banks in South Korea in 2024, by bank." Chart. May 12, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1241796/south-korea-cost-income-ratio-by-bank/
Financial Supervisory Service. (2025). Cost-to-income ratio (CIR) of banks in South Korea in 2024, by bank. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1241796/south-korea-cost-income-ratio-by-bank/
Financial Supervisory Service. "Cost-to-income Ratio (Cir) of Banks in South Korea in 2024, by Bank." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 May 2025, /statistics/1241796/south-korea-cost-income-ratio-by-bank/
Financial Supervisory Service, Cost-to-income ratio (CIR) of banks in South Korea in 2024, by bank ÌÇÐÄÆƽâ°æ, /statistics/1241796/south-korea-cost-income-ratio-by-bank/ (last visited July 31, 2026)
Cost-to-income ratio (CIR) of banks in South Korea in 2024, by bank [Graph], Financial Supervisory Service, May 12, 2025. [Online]. Available: /statistics/1241796/south-korea-cost-income-ratio-by-bank/
