In 2023, Japan's private non-profit expenditure on R&D in natural sciences was lower than the forecast for 2024, representing an incremental increase as the country inches towards a projected value of 406.61 million USD PPP by 2028. The year-on-year growth from 2024 to 2028 remains steady, averaging around 1% per annum, reflecting consistent investment into this sector. The Compound Annual Growth Rate (CAGR) over this five-year forecast period is expected to maintain a similar gradual upward trend.

Future trends to watch for in this domain include: