Chinese Academy of Sciences (CAS)

中国科学院

China

Time frame: 1 May 2025 - 30 April 2026

Profile

The Nature Index tracks primary research articles from 178 applied, health, natural and social sciences journals, across many different publishers, chosen by an independent group of researchers. The Nature Index provides absolute Count of primary research articles and fractional Share counts of author contribution to articles. The positions in the table below reflect Chinese Academy of Sciences (CAS)'s position overall, domestically, within their sector, and in various subject areas based on their Share. Each position links to the corresponding table where Chinese Academy of Sciences (CAS) is listed.

Position by research output Share

Global China
Overall 1 1
Government 1 1

Position by research output Share in subject areas

Global China
Applied sciences 1 1
Health sciences 2 1
Natural sciences 1 1
Biological sciences 1 1
Chemistry 1 1
Earth & environmental sciences 1 1
Physical sciences 1 1
Social sciences 8 2

Research

Chinese Academy of Sciences (CAS) has the following research output in the current window (1 May 2025 - 30 April 2026) of the Nature Index. Click on Count to view a list of articles representing the corresponding Share value.

Overall research output

Count Share
Overall 12537 3620.25

Overall Count and Share for 'Chinese Academy of Sciences (CAS)' based on the 12-month time frame mentioned above.

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Research outputs by subject area

Note: Natural sciences includes biological sciences, chemistry, Earth & environmental sciences and physical sciences.
Subject Count Share
Applied sciences 3333 1007.30
Biological sciences 1428 447.12
Chemistry 3158 933.65
Earth & environmental sciences 1433 422.30
Health sciences 1456 356.02
Physical sciences 1611 421.39
Social sciences 118 32.48

Note: Hover over the donut graph to view the Share for each subject.

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Leading research topics

In the Current Index (12-month rolling window), Chinese Academy of Sciences (CAS) published the most articles in these research topics. Learn more about Nature Research Intelligence Topics.

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Share output for the past 5 years

Subject area or journal group 2021 2022 2023 2024 2025
Overall 1,937 2,054 2,241 3,184 3,655
Applied sciences 398 437 535 923 1,029
Health sciences 218 230 238 322 362
Natural sciences 1,313 1,380 1,462 1,908 2,236
Biological sciences 237 262 295 398 472
Chemistry 595 590 652 782 945
Earth & environmental sciences 201 236 228 355 419
Physical sciences 280 292 287 372 399
Social sciences 7 7 6 31 29
Nature & Science 28 32 37 43 42

Institution benchmarking

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Collaboration

Nature Index collaborations highlight fruitful collaborations that lead to high quality research around the world. A collaboration can be between any two institutions or locations co-authoring at least one article in the journals tracked by the Nature Index. The collaboration score between two institutions is the sum of each of their Shares on the papers to which both have contributed. The table and charts below highlight the leading collaborators with Chinese Academy of Sciences (CAS).

International vs domestic collaboration by Share

Type Percentage
International (721 institutions) 10.4%
Domestic (1827 institutions) 89.6%

Note: Hover over the pie chart to view the Share for each collaboration type.

Note: Hover over the graph to view collaboration by percentage of Share.

Top 5 domestic collaborators with Chinese Academy of Sciences (CAS) by Share

Collaborating institutions

Note: Hover over the bars to view details about each institution's Share.

Collaborating Institution Collaborators' Share Collaboration Score
University of Chinese Academy of Sciences (UCAS) 1805.07 / 948.00 2753.07
University of Science and Technology of China (USTC) 594.28 / 432.80 1027.08
Peking University (PKU) 414.76 / 433.59 848.35
Tsinghua University 224.82 / 250.51 475.32
Beijing National Laboratory for Molecular Sciences (BNLMS) 181.87 / 270.13 452.00

Top 5 international collaborators with Chinese Academy of Sciences (CAS) by Share

Collaborating institutions

Note: Hover over the bars to view details about each institution's Share.

Collaborating Institution Collaborators' Share Total Share
Helmholtz Association of German Research Centres 49.79 / 30.33 80.12
Max Planck Society 43.88 / 25.64 69.52
French National Centre for Scientific Research (CNRS) 43.85 / 16.78 60.63
Leibniz Association 34.64 / 21.24 55.88
National University of Singapore (NUS) 25.08 / 24.77 49.84

Latest supplements

Nature Index 2026 Nanoscience and nanotechnology

From programmable RNA architectures to next-generation materials for energy and healthcare, researchers are harnessing the unusual properties of the nanoscale to tackle some of society's biggest challenges. This supplement explores the discoveries that are driving the field, the hurdles that remain and the institutions that are leading in nanoscience and nanotechnology research.

Nature Index 2026 Nanoscience and nanotechnology
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Nature Index 2026 Chemistry

Chemistry research is undergoing a period of transformation, driven by new technologies and mounting environmental pressures. In this supplement, we explore the trends behind China’s extraordinary rise in chemistry output, and why efforts to curb the use of PFASs are accelerating worldwide. We also look at the innovations that could redefine how chemicals are designed, produced and recycled.

Nature Index 2026 Chemistry
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Relationships

Affiliated institutions

The following affiliated institutions are wholly owned, operated, administered or contains research facilities for Chinese Academy of Sciences (CAS). All affiliations for an affiliated institution are credited to the institution to which it is affiliated. Each of the affiliated institutions listed below has its own research profile.

Affiliated joint institutions and consortia

Represents joint institutions and consortia for which the institution is designated as a partner institution. Each partner institution of a joint institution or consortium receives an equivalent Share for every affiliation in which the consortium is included.