The research and development spending in the United States dropped from $131 billion to $119 billion, when adjusted for inflation, from 2007-2012, while Japan increased spending by $9 billion and China increased by $6.4 billion. Overall, Asia’s share of spending grew from 18 percent to 24 percent. Europe held steady at 29 percent.

Prior analyses have suggested the United States’ share of global expenditures were once as high as 80 percent.

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