U.S. Research and Development Funding and Performance: Fact Sheet [Updated October 4, 2021] [open pdf - 1MB]
From the Document: "Research and development (R&D) in the United States is funded and performed by a number of sectors--including the federal government, state governments, businesses, academia, and nonprofit organizations--for a variety of purposes. This fact sheet begins by providing a profile of the U.S. R&D enterprise, including historical trends and current funding by sector and by whether the R&D is basic research, applied research, or development. The final section of this fact sheet includes data on R&D performance by sector."
CRS Report for Congress, R44307
Congressional Research Service: https://crsreports.congress.gov/