• Merck average return on equity for 2023 was 11.86, a 68.34% increase from 2022.
• Merck average return on equity for 2022 was 37.46, a 39.41% decline from 2021.
• Merck average return on equity for 2021 was 26.87, a 26.02% increase from 2020.

Roe - return on equity can be defined as the amount of net income returned as a percentage of shareholders equity. Return on equity measures a corporation's profitability by revealing how much profit a company generates with the money shareholders have invested.