• Unum Group average gross margin for 2023 was 39%, a 13.64% decline from 2022.
• Unum Group average gross margin for 2022 was 34.32%, a 17.61% increase from 2021.
• Unum Group average gross margin for 2021 was 29.18%, a 8.12% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.