Mainland
The annual list identifies some 6,600 researchers from across the globe who demonstrated significant influence in their chosen field or fields through the publication of multiple highly cited papers during the last decade. The Highly Cited Researchers' names are drawn from the publications that rank in the top 1% by citations for field and publication year in the Web of Science™ citation index, and the list identifies the research institutions and countries where they are based.
The key findings for 2021 show:
- 6,602 researchers from more than 70 countries and regions have been recognized this year – 3,774 in specific fields and 2,828 for cross-field impact.
- The
United States is the institutional home for 2,622 of the Highly Cited Researchers in 2021, which amounts to 39.7%, down from 43.3% in 2018. While there has been a decline in the number ofU.S. -based Highly Cited Researchers, there can be no doubt that theU.S. still leads the world in research influence. Of all papers indexed in the Web of Science for 2010 to 2020 the percentage with aU.S. -based author was 24.7%. - Mainland
China is second this year, with 935 Highly Cited Researchers, or 14.2%, up from 7.9% in 2018. In four years, Mainland China has nearly doubled its share of the Highly Cited Researchers population. - The
United Kingdom , with 492 researchers or 7.5%, comes in third. This is a particularly high number of researchers at the very top of their fields in terms of citation impact, given that theUnited Kingdom has a population 1/5 the size ofthe United States and 1/20 the size of Mainland China. Australia has narrowly overtakenGermany at fourth, with 332 researchers, and theNetherlands is sixth, with 207 researchers – remarkable for countries of 25 million and 17 million, respectively, versusGermany's 83 million. They also place aboveCanada ,France ,Spain andSwitzerland in the top 10.Harvard University , home to 214 researchers, is once again the institution with the highest concentration of Highly Cited Researchers in the world.Hong Kong has increased its number to 79 from 60 last year, an impressive achievement, partly due to a dramatic increase in Highly Cited Researchers from theUniversity of Hong Kong , which more than doubled its number of Highly Cited Researchers from 14 to 33 from 2020 to 2021.- For the first time, researchers from
Bangladesh ,Kuwait ,Mauritius ,Morocco and theRepublic of Georgia are included on the list this year.
Naturally, Mainland China's gain means losses elsewhere. There is a 1.8% loss in Highly Cited Researchers for
Nobel Prize recipients and researchers of
This year's list includes 24
Exceptional broad performance
Of the researchers named as Highly Cited in the 21 Essential Science Indicators (ESI)™ fields, 23 researchers showed exceptionally broad performance, recognized for being highly cited in three or more fields. They are a truly global group – in
Figure 1: Highly Cited Researchers by country or region
Ranking | Country/Territory | Number HCRs | % | Change % Share 2018 to 2021 |
1 | 2,622 | 39.7 | -3.6 | |
2 | 935 | 14.2 | 6.2 | |
3 | 492 | 7.5 | -1.5 | |
4 | 332 | 5 | 1 | |
5 | 331 | 5 | -0.9 | |
6 | 207 | 3.1 | 0 | |
7 | 196 | 3 | 0.3 | |
8 | 146 | 2.2 | -0.4 | |
9 | 109 | 1.7 | -0.2 | |
10 | 102 | 1.5 | -0.7 |
Figure 2: Highly Cited Researchers by research institution or organization
Ranking | Institution and Country/Region | Number HCRs |
1 | 214 | |
2 | 194 | |
3 | 122 | |
4 | 93 | |
5 | 70 | |
6 | 64 | |
7 | 62 | |
8 | 58 | |
9 | 56 | |
10 | 51 |
Our analysts have found continued growth in the highly cited, high-impact research from Mainland China, but
The full 2021 Highly Cited Researchers list and executive summary can be found here.
Follow us online: on Twitter @ClarivateAG #HighlyCited2021.
Notes to editors:
Methodology:
More than 6,600 researchers, in 21 fields of the sciences and social sciences, and cross-field categories were selected based on the number of highly cited papers they produced over an 11-year period from
The sharp decline for
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