• West Japan Railway average return on investment for 2023 was -1.53, a 84.34% decline from 2022.
• West Japan Railway average return on investment for 2022 was -0.83, a 38.52% increase from 2021.
• West Japan Railway average return on investment for 2021 was -1.35, a 168.88% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.