In 2023, the R&D tax incentives in the US composed a significant contribution to the GDP. Forecasts for 2024-2028 indicate a steady rise from 0.14% to 0.15% of GDP. The annual growth rate of this indirect government support through R&D incentives shows minor increments, reflecting stability in government policy effectiveness.

Future trends to watch for include:

Potential policy changes affecting R&D funding and tax incentives.
Technological advancements increasing R&D needs and expenditure further.
Comparative analysis with global counterparts to ensure competitive edge in R&D investment.