• TeliaSonera AB average operating margin for 2023 was -7.6%, a 203.68% decline from 2022.
• TeliaSonera AB average operating margin for 2022 was 7.33%, a 255.63% decline from 2021.
• TeliaSonera AB average operating margin for 2021 was -4.71%, a 272.53% 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.