In 2023, Japan's Gross Domestic Expenditure on R&D stood at $183.5 billion US dollars PPP. From 2024 through 2028, forecast data indicate consistent growth in R&D expenditure, increasing from $185.87 billion in 2024 to $195.08 billion by 2028. The year-on-year growth rates reflect steady increases: 1.3% from 2024 to 2025, 1.23% from 2025 to 2026, 1.23% from 2026 to 2027, and 1.15% from 2027 to 2028. The five-year CAGR from 2024 to 2028 is approximately 1.21%, highlighting a stable upward trend.

Future trends to watch for include:

Japan's continuing focus on innovation and technology-driven sectors may accelerate R&D spending.
Global economic factors, including currency volatility and trade policies, could impact funding.
Government policy shifts aimed at boosting R&D, especially in next-gen technologies, might alter projections.