• Ecolab average operating margin for 2023 was 12.02%, a 5.9% increase from 2022.
• Ecolab average operating margin for 2022 was 11.35%, a 9.05% increase from 2021.
• Ecolab average operating margin for 2021 was 12.48%, a 6.73% 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.