In Science and Engineering Indicators 2014, a biennial round-up of global trends in research, the US National Science Foundation notes that the number of papers authored or co-authored by Chinese scientists grew by an average of more than 15% per year between 2001 and 2011 - leading the country to an 11% share of world output as the United States' share declined to 26%. The total world output of research papers grew by 2.8% per year. See go.nature.com/wfptv8 for more.
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