• Janus Henderson Group average operating margin for 2023 was 20.92%, a 18.41% increase from 2022.
• Janus Henderson Group average operating margin for 2022 was 25.64%, a 13.41% decline from 2021.
• Janus Henderson Group average operating margin for 2021 was 29.61%, a 613.49% decline 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.