• Merck average return on assets for 2023 was 6.09, a 13.74% decline from 2022.
• Merck average return on assets for 2022 was 7.06, a 13.5% decline from 2021.
• Merck average return on assets for 2021 was 6.22, a 56.68% 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.