The number of papers published by Japanese scientific researchers in internationally influential scientific journals in 2015 has decreased by about 2005 compared to 600, which is the fact that international information service company Claribate Analytics (Philadelphia, USA) I found out in the summary of Delphi).Japan's share of the total number of published papers has also dropped from 8.4% to 5.2%.
According to Clarivate Analytics, the number of papers in Japan was lower than in 11 in 2005 fields, and the historically strong fields of materials science and engineering showed a decrease of more than 10%.There is also a significant decrease in molecular biology and computer science.Especially in immunology, the number of papers published has decreased by one-third.
Clarivate Analytics expects Japan's share of the number of papers to continue to decline, as does the United States, the United Kingdom and Germany, due to the surge in paper publications in China and South Korea.
On the other hand, excellent papers ranked in the top 10% of citations have been stably produced from Japan for the past 10 years.In particular, papers within the top 25% of citations have increased by 1%.Even in immunology, where the number of papers published dropped sharply, the number of papers in the top 19% increased from 26% to XNUMX%.
Senior Citation Analyst David Pendolberg said, "Although the number of papers in Japan has declined significantly, we still have many world-class scientists and are at the forefront of publishing excellent papers in various fields. I pointed out.
