• Paychex average net profit margin for 2024 was 31.98%, a 2.7% decline from 2023.
• 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.

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