• Marriott average gross margin for 2023 was 22.17%, a 3.7% decline from 2022.
• Marriott average gross margin for 2022 was 21.38%, a 14.52% increase from 2021.
• Marriott average gross margin for 2021 was 18.67%, a 38.91% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.