According to the Nature Publishing Index 2011, China now publishes more than 6% of papers published in Nature journals. In 2011, 225 of the 3425 papers published in Nature journals were represented by China.

The Index measures the output of research articles from nations and institutes in terms of publications in the 18 Nature-branded primary research journals in 2011. It also includes data from 2010 and 2009 for comparison.

In addition, the Index shows that China now publishes more than 10% of the world's most cited scientific research.

The full Press Release from Nature is available here.