In 2023, the influenza mortality rate for males in Japan stood at an actual value of 1.51 thousand deaths. The projected data from 2024 onwards show a consistent year-on-year increase in male influenza mortality. Specifically, from 2024 to 2025, there is a 6.3% rise, followed by a 5.33% increase from 2025 to 2026. The forecasted increments continue with a 5.06% rise from 2026 to 2027 and a 5.35% from 2027 to 2028. Over the five-year period from 2024 to 2028, the compound annual growth rate (CAGR) is approximately 5.56%.

Future trends to monitor:

Potential impacts of public health initiatives aimed at reducing influenza mortality.
The influence of healthcare advancements and vaccination programs.
Possible effects of demographic changes, such as aging populations, on mortality rates.