• Fiserv average operating margin for 2023 was 23.7%, a 31.96% increase from 2022.
• Fiserv average operating margin for 2022 was 17.96%, a 32.94% increase from 2021.
• Fiserv average operating margin for 2021 was 13.51%, a 6.13% 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.