• Koninklijke KPN average operating margin for 2023 was 32.98%, a 6.52% increase from 2022.
• Koninklijke KPN average operating margin for 2022 was 30.96%, a 7.57% increase from 2021.
• Koninklijke KPN average operating margin for 2021 was 28.78%, a 82.85% 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.