In 2024, the United States spent some *** billion U.S. dollars, in real terms, on research and development (R&D) activities. This was an increase from billion U.S. dollars a year prior. Most of the R&D expenditure in the U.S. was made in the business sector.
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NCSES. (February 28, 2025). Total inflation-adjusted research and development (R&D) expenditure in the United States from 1990 to 2024 (in 2017-adjusted billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/
NCSES. "Total inflation-adjusted research and development (R&D) expenditure in the United States from 1990 to 2024 (in 2017-adjusted billion U.S. dollars)." Chart. February 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/
NCSES. (2025). Total inflation-adjusted research and development (R&D) expenditure in the United States from 1990 to 2024 (in 2017-adjusted billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/
NCSES. "Total Inflation-adjusted Research and Development (R&d) Expenditure in The United States from 1990 to 2024 (in 2017-adjusted Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Feb 2025, /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/
NCSES, Total inflation-adjusted research and development (R&D) expenditure in the United States from 1990 to 2024 (in 2017-adjusted billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/ (last visited July 21, 2026)
Total inflation-adjusted research and development (R&D) expenditure in the United States from 1990 to 2024 (in 2017-adjusted billion U.S. dollars) [Graph], NCSES, February 28, 2025. [Online]. Available: /statistics/1662178/research-and-development-spending-united-states-inflation-adjusted/
