• H&R Block average operating margin for 2023 was 21.23%, a 1.92% decline from 2022.
• H&R Block average operating margin for 2022 was 20.83%, a 379.95% increase from 2021.
• H&R Block average operating margin for 2021 was 4.34%, a 129.62% 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.