• Fiserv average operating margin for 2023 was 25.19%, a 33.35% increase from 2022.
• Fiserv average operating margin for 2022 was 18.89%, a 32.84% increase from 2021.
• Fiserv average operating margin for 2021 was 14.22%, a 17.62% 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.