The grape production in Japan is projected to decline steadily from 2024 to 2028, beginning at 159.9 thousand metric tons in 2024 and dropping to 151.0 thousand metric tons by 2028. This forecast indicates a consistent year-on-year decrease each year: 2025 will see a 1.44% decline, 2026 shows a 1.46% reduction, 2027 presents a 1.44% decline, and 2028 will experience a 1.37% decrease from the preceding year. The Compound Annual Growth Rate (CAGR) over the five-year forecast period is approximately -1.4%, reflecting an overall shrinking grape production market in Japan.

Future trends to watch for in grape production in Japan include:

Potential impacts of climate change on agricultural yields.
Innovations in agricultural technology that may improve efficiency and production.
Shifts in domestic and international demand for Japanese grapes.
Policy changes or economic conditions affecting the agricultural sector.