• Air China average return on assets for 2023 was -6.3, a 12.5% decline from 2022.
• Air China average return on assets for 2022 was -7.2, a 149.13% decline from 2021.
• Air China average return on assets for 2021 was -2.89, a 367.59% increase from 2020.

Roa - return on assets can be defined as an indicator of how profitable a company is relative to its total assets. Calculated by dividing a company's operating earnings by its total assets.