In the 2023 global ranking of the number of research papers in the field of natural science compiled by Springer Nature, a global academic publisher, Japan remained fifth in the world, but the number of papers declined for the second year in a row.China surpassed the United States to take the top spot in the world, and six institutions were in the top 5 in the research institution ranking.
According to Springer Nature, the top 10 countries in the world ranking are China, USA, Germany, UK, Japan, France, South Korea, Canada, Sweden and India.Japan remained in 5th place as in the previous year, but its share decreased by 9.6% compared to the previous year.
Japanese institutions in the top 100 rankings by research institution are Tokyo University 18th, Kyoto University 44th, Osaka University 74th, and Tohoku University 89th.The University of Tokyo decreased by 11.7% compared to the previous year, the second highest rate of decrease after the University of Oxford (16.7%).Riken, which was in the top 100 last year, fell to 103rd.
China increased its market share by 21.4%, quickly overtaking the United States, and moved from second place in the previous year to the top position for the first time.Among the top 2 institutions, six are monopolized, and the Chinese Academy of Sciences maintains the top position in the institutional rankings.
In the field of health science, which first appeared in the 2022 tally, among the top 20 research institutes, Harvard University in first place, and the United States with 1 institutions took the top spot, far ahead of China in second place.Japan was ninth, and the only place in the top 15 by research institution was the University of Tokyo, which was ranked 2th.
