In 2023, the number of infant deaths in Japan stood at approximately 1.16 million. Forecasts from 2024 to 2028 suggest a steady decline, with figures dropping from 1.16 million in 2024 to 0.757 million by 2028. Year-over-year changes indicate a declining trend: 8.62% from 2024 to 2025, 9.91% from 2025 to 2026, 10.47% from 2026 to 2027, and 11.45% from 2027 to 2028. The Compound Annual Growth Rate (CAGR) over this five-year horizon averages a significant decrease of 9.52% annually.

Future trends to watch for include:

Continued improvements in healthcare access and neonatal care quality, contributing to further reductions in infant mortality.
Potential demographic shifts impacting birth rates and overall infant population changes.
Technological advancements in early diagnosis and treatment of neonatal conditions.
Potential influencing factors include public health policies, economic conditions, and cultural changes.