The United States had the second largest R&D/GDP ratio among the G7 countries, spending about 2.6% of GDP on R&D activities in 2006.
SOURCE: Appendix Table 4-35, Science and Engineering Indicators 2008, National Science Foundation, http://www.nsf.gov/statistics/seind08.
Figure 17. R&D share of GDP, by selected country: 1993-2006
NOTES: (*) Data for China and India are taken from UNESCO Institute for Statistics (UIS), Data Centre, http://www.uis.unesco.org. Accessed October 2007.
DIGEST OF KEY SCIENCE AND ENGINEERING INDICATORS 2008 – Selected Global Marketplace Indicators