California Institute of Technology (Caltech)

United States of America (USA)

Time frame: 1 June 2025 - 30 May 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 California Institute of Technology (Caltech)'s position overall, domestically, within their sector, and in various subject areas based on their Share. Each position links to the corresponding table where California Institute of Technology (Caltech) is listed.

Position by research output Share

Global United States of America (USA)
Overall 85 25
Academic 78 24

Position by research output Share in subject areas

Global United States of America (USA)
Applied sciences 162 25
Health sciences 259 83
Natural sciences 48 12
Biological sciences 90 33
Chemistry 101 12
Earth & environmental sciences 37 9
Physical sciences 15 4
Social sciences 241 68

Research

California Institute of Technology (Caltech) has the following research output in the current window (1 June 2025 - 30 May 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 1018 264.07

Overall Count and Share for 'California Institute of Technology (Caltech)' based on the 12-month time frame mentioned above.

View all articles

Research outputs by subject area

Note: Natural sciences includes biological sciences, chemistry, Earth & environmental sciences and physical sciences.
Subject Count Share
Applied sciences 110 39.47
Biological sciences 84 32.93
Chemistry 94 51.73
Earth & environmental sciences 141 34.04
Health sciences 69 20.15
Physical sciences 507 81.50
Social sciences 13 4.26

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

Leading research topics

In the Current Index (12-month rolling window), California Institute of Technology (Caltech) published the most articles in these research topics. Learn more about Nature Research Intelligence Topics.

View all topics

Share output for the past 5 years

Subject area or journal group 2021 2022 2023 2024 2025
Overall 262 237 241 273 266
Applied sciences 38 25 29 43 0
Health sciences 19 16 19 19 0
Natural sciences 204 195 191 205 0
Biological sciences 37 41 28 31 0
Chemistry 48 52 43 47 47
Earth & environmental sciences 49 39 39 41 0
Physical sciences 69 63 81 86 0
Social sciences 1 1 2 5 0
Nature & Science 20 24 16 20 19

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 California Institute of Technology (Caltech).

International vs domestic collaboration by Share

Type Percentage
International (93 institutions) 28.7%
Domestic (98 institutions) 71.3%

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 California Institute of Technology (Caltech) by Share

Collaborating institutions

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

Collaborating Institution Collaborators' Share Collaboration Score
Jet Propulsion Laboratory (JPL) 32.69 / 47.88 80.57
National Aeronautics and Space Administration (NASA) 37.08 / 34.34 71.42
University of California, Los Angeles (UCLA) 19.77 / 21.52 41.28
Massachusetts Institute of Technology (MIT) 17.88 / 17.53 35.41
Harvard University 18.76 / 16.23 34.99

Top 5 international collaborators with California Institute of Technology (Caltech) by Share

Collaborating institutions

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

Collaborating Institution Collaborators' Share Total Share
Max Planck Society 8.86 / 7.33 16.18
French National Centre for Scientific Research (CNRS) 10.47 / 5.30 15.77
Spanish National Research Council (CSIC) 7.89 / 4.75 12.64
Leibniz Association 6.46 / 0.79 7.25
Yonsei University 2.79 / 3.89 6.68

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Relationships

Affiliated institutions

The following affiliated institutions are wholly owned, operated, administered or contains research facilities for California Institute of Technology (Caltech). 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.