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ETO Research Almanac
Between 2017 and 2022, researchers published roughly
900,000
English-language articles on artificial intelligence
The global artificial intelligence literature grew
103%
between 2017 and 2022
Articles on artificial intelligence made up
7%
of articles across all fields
Authors from private companies contributed to
6%
of artificial intelligence articles
What counts as "artificial intelligence" research?How precise are these numbers?What are the other caveats?
Data last updated November 20, 2023

Vital signs

899,150
artificial intelligence articles were released between 2017 and 2022 (estd.)
Statistic description
103%
growth in research between 2017 and 2022
Statistic description
7%
of all articles focused on artificial intelligence

Citation impact

14
citations for the average artificial intelligence article
8
citations for the average article

Countries

Documentation
18%
of artificial intelligence articles have American authors
Statistic description
30%
have Chinese authors
Statistic description
16%
have European authors
Statistic description
Country Articles (2017-2022)Documentation Growth (2017-2022) Global shareDocumentation Citations per articleDocumentation
China266,501150%30%14.8
United States165,01035%18%30.3
India55,608118%6%8.8

Top-cited articlesDocumentation

Research organizations

Documentation
  • #1 Chinese Academy of Sciences (China)
  • #2 Tsinghua University (China)
  • #3 University of Chinese Academy of Sciences (China)
Organization Articles
(2017-2022Documentation
Citations per article Documentation Country
Chinese Academy of Sciences15,24027.3China
Tsinghua University7,85735.8China
University of Chinese Academy of Sciences5,94925.8China

Patents and industry

5%
of artificial intelligence articles are cited in patents
2%
of articles are cited in patents
6%
of artificial intelligence articles had authors from private companies (vs 3% of articles in general)
Statistic description
Company Articles
(2017-2022Documentation
Citations per article Documentation Country
Google4,731143.1United States
Microsoft4,242133.4United States
IBM2,64835.5United States