In 2023, business enterprise expenditure on R&D in the US was recorded at $632.39 billion US dollars PPP, constant. As we transition into 2024, forecasts suggest a steady increase in investment, with year-on-year growth rates expected at approximately 5.7% in 2024, rising gradually to about 4.7% by 2028. The compound annual growth rate (CAGR) for the period 2024-2028 is projected at around 5%. This sustained upward trend indicates a consistent commitment to innovation and development by US businesses.

Future trends to watch for include:

The impact of emerging technologies such as artificial intelligence and biotechnology on R&D expenditure.
Geopolitical factors and their influence on funding availability and investment decisions.
The role of governmental policies and incentives in fostering private sector R&D initiatives.