• Federal Signal average net profit margin for 2023 was 8.73%, a 7.78% increase from 2022.
• Federal Signal average net profit margin for 2022 was 8.1%, a 5.26% increase from 2021.
• Federal Signal average net profit margin for 2021 was 8.55%, a 2.06% decline from 2020.

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