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United States of America - Number of researchers in R&D

4,018.6
(per million people)
in 2012

Though United States of America number of researchers in R&D fluctuated substantially in recent years, it tended to increase through 1998 - 2012 period ending at 4,018.6 per million people in 2012.

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Researchers in R&D are professionals engaged in the conception or creation of new knowledge, products, processes, methods, or systems and in the management of the projects concerned. Postgraduate PhD students (ISCED97 level 6) engaged in R&D are included.

Date Value Change, %
2012 4,018.6 0.19 %
2011 4,010.8 3.72 %
2010 3,867.0 -5.03 %
2009 4,071.8 4.09 %
2008 3,911.8 4.10 %
2007 3,757.8 -0.63 %
2006 3,781.6 1.71 %
2005 3,718.0 -1.24 %
2004 3,764.8 -2.72 %
2003 3,870.2 6.61 %
2002 3,630.3 2.39 %
2001 3,545.6