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ETO Research Almanac
Between 2017 and 2022, researchers published roughly
95,000
English-language articles on natural language processing
The global natural language processing literature grew
105%
between 2017 and 2022
Articles on natural language processing made up
10%
of all articles on artificial intelligence
Authors from private companies contributed to
10%
of natural language processing articles
What counts as "natural language processing" research?How precise are these numbers?What are the other caveats?
Data last updated November 20, 2023

Vital signs

94,407
natural language processing articles were released between 2017 and 2022 (estd.)
Statistic description
105%
growth in research between 2017 and 2022
Statistic description
10%
of all artificial intelligence articles focused on natural language processing

Citation impact

19
citations for the average natural language processing article
14
citations for the average artificial intelligence article

Countries

Documentation
21%
of natural language processing articles have American authors
Statistic description
21%
have Chinese authors
Statistic description
16%
have European authors
Statistic description
Country Articles (2017-2022)Documentation Growth (2017-2022) Global shareDocumentation Citations per articleDocumentation
United States19,89915%21%46.3
China19,517133%21%17
United Kingdom6,331-2%7%38.6

Top-cited articlesDocumentation

Research organizations

Documentation
  • #1 Microsoft (United States) (United States)
  • #2 Microsoft Research (United Kingdom) (United Kingdom)
  • #3 Chinese Academy of Sciences (China)
Organization Articles
(2017-2022Documentation
Citations per article Documentation Country
Microsoft (United States)1,34961.8United States
Microsoft Research (United Kingdom)1,32561.6United Kingdom
Chinese Academy of Sciences1,30729.3China

Patents and industry

5%
of natural language processing articles are cited in patents
5%
of artificial intelligence articles are cited in patents
10%
of natural language processing articles had authors from private companies (vs 6% of artificial intelligence articles in general)
Statistic description
Company Articles
(2017-2022Documentation
Citations per article Documentation Country
Microsoft1,405121United States
Google1,106264.4United States
Amazon71656United States