• Nippon Telegraph And Telephone average net profit margin for 2023 was 11.39%, a 5.66% decline from 2022.
• Nippon Telegraph And Telephone average net profit margin for 2022 was 10.78%, a 17.69% increase from 2021.
• Nippon Telegraph And Telephone average net profit margin for 2021 was 9.16%, a 15.37% increase from 2020.

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