• Woori Bank average operating margin for 2023 was 19.77%, a 31.02% decline from 2022.
• Woori Bank average operating margin for 2022 was 28.66%, a 7.83% decline from 2021.
• Woori Bank average operating margin for 2021 was 26.58%, a 43.75% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.