The dual concerns of economic competitiveness and national security have provided the main impetus behind the continued growth in support for research and development (R&D) by both government and industry. The funding of science and technology is a major factor behind capital and labor productivity increases. This report presents a summary of comprehensive measures of the financial and human resources that sectors of the U.S. economy devote to scientific and technological activities. Areas discussed include: (1) "R&D Expenditures"; (2) "Scientists and Engineers"; (3) "R&D Trends and the National Economy"; (4) "R&D Performance"; (5) "Research and Development by National Objective"; (6) "The Federal R&D Funds/Total Budget Funds Ratio"; (7) "The R&D/GNP Ratio"; (8) "Basic Research, Applied Research, and Development"; (9) "Basic Research"; (10) "Applied Research"; (11) "Development"; (12) "Full-Time Equivalent (FTE) R&D Scientists and Engineers"; (13) "International Comparisons"; (14) "Employment Trends"; (15) "S/E Labor Market Balance"; (16) "Sectoral Patterns and Trends"; (17) "Doctoral Scientists and Engineers"; (18) "Foreign Citizen Participation"; (19) "S/E Pipeline"; (20) "Precollege Science and Mathematics"; (21) "S/E Degree Production"; (22) "Entry to the S/E Labor Market." Appendices include technical notes and detailed statistical tables. (CW)