• Paychex average net profit margin for 2023 was 31.14%, a 2.74% increase from 2022.
• Paychex average net profit margin for 2022 was 30.31%, a 7.9% increase from 2021.
• Paychex average net profit margin for 2021 was 28.09%, a 4.85% increase from 2020.

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