According to StatNano In 2019, more than 40 percent of the world’s publications relating to nanoscience were from China, followed by the United States, India, and Iran, holding 13.5, 8.5, and 6 percent of the publications, respectively.
China’s nanoscience articles published in 2019 comprise more than 16 percent of its total scientific publications in this year. Following China, the United States ranked second with around 24,000 nanoscience articles; and India, Iran, and South Korea took the next places, respectively. Apart from the number of nanoscience articles of different countries, the share of their nanoscience articles in their total publications can be considered as an indication of the priority they give to this field of science. From this viewpoint, Iran and India, respectively, placed a higher priority on nanoscience in 2019 as compared to the other countries.
These statistical data are monthly gathered by StatNano using a search string relating to nanoscience and nanotechnology in the Web of Science.
Source: https://statnano.com/news/67470/2019%E2%80%99s-20-Leading-Countries-in-Nanotechnology-Publications
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