• Unum Group average operating margin for 2023 was 13.47%, a 6.85% increase from 2022.
• Unum Group average operating margin for 2022 was 14.46%, a 66.4% decline from 2021.
• Unum Group average operating margin for 2021 was 8.69%, a 5.23% 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.