• Henkel AG average operating margin for 2018 was 15.21%, a 1.74% decline from 2017.
• Henkel AG average operating margin for 2017 was 14.95%, a 1.64% increase from 2016.
• Henkel AG average operating margin for 2016 was 15.2%, a 9.67% decline from 2015.

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.