In 2023, Japan's government sector intramural R&D expenditure stood at 12.3 billion euros. From 2024 to 2028, the expenditure is forecasted to increase steadily, growing from 12.63 billion euros in 2024 to 13.89 billion euros in 2028. The year-on-year growth rates are approximately 2.54% in 2025, 2.39% in 2026, 2.41% in 2027, and 2.28% in 2028. The compound annual growth rate (CAGR) for the five-year period is around 2.4%.

Future trends to watch for:

Increased investment in cutting-edge technologies such as AI and quantum computing.
Potential shifts in government policy emphasizing sustainable and green technologies.
Impact of global economic conditions on R&D budget allocations.
The balance between public and private sector R&D collaboration and funding.