• Duolingo average net profit margin for 2023 was -4.61%, a 76.98% decline from 2022.
• Duolingo average net profit margin for 2022 was -20.03%, a 9.27% decline from 2021.
• Duolingo average net profit margin for 2021 was -18.33%, a 96.67% increase from 2020.

Net profit margin can be defined as net Income as a portion of total sales revenue.