Useful Stats: 2004 Industrial R&D Intensity by State
California accounted for 22.4 percent of the nation’s total industrial R&D in 2004, leading the U.S. with $46.6 billion in total industrial R&D expenditures, according to the National Science Foundation’s (NSF) Survey of Industrial Research and Development: 2004. Michigan ($15.2 billion), Massachusetts ($11.8 billion), New Jersey ($11.0 billion), and Texas ($11.0 billion) rounded out the top five.