World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Political Science 35 735 668 121 113 124 7970

Cristian Vaccari publications per year

The chart shows the history of publications by Cristian Vaccari between 2004 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Cristian Vaccari published across 22 years, from 2004 to 2025, averaging 6.4 papers a year. Output peaked at 16 publications in 2021. 12 of the 140 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2004 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2021. 2004: 1 publication 2005: 0 publications 2006: 3 publications 2007: 8 publications 2008: 10 publications 2009: 9 publications 2010: 7 publications 2011: 8 publications 2012: 7 publications 2013: 11 publications 2014: 4 publications 2015: 8 publications 2016: 3 publications 2017: 7 publications 2018: 8 publications 2019: 1 publication 2020: 6 publications 2021: 16 publications 2022: 7 publications 2023: 4 publications 2024: 6 publications 2025: 6 publications
2004 2025

140 publications in total across all disciplines

View publications per year as a table
Cristian Vaccari: publications per year, 2004 to 2025
Year Publications
2004 1
2005 0
2006 3
2007 8
2008 10
2009 9
2010 7
2011 8
2012 7
2013 11
2014 4
2015 8
2016 3
2017 7
2018 8
2019 1
2020 6
2021 16
2022 7
2023 4
2024 6
2025 6
Total 140
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Cristian Vaccari publication distribution in Political Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Political Science in 2026. The highlighted bar marks where Cristian Vaccari sits on this spectrum.

No. of scientists
20 40 60 80
Bar chart with 61 bars. Horizontal axis: publications, 36–40 to 333+. Vertical axis: number of scientists, 0 to 97. Most scientists, 97, have 333+ publications. The last bar groups every scientist with 333 publications or more. The highlighted bar, 121–125 publications, is where this scientist sits. 36–40 publications: 10 scientists 41–45 publications: 11 scientists 46–50 publications: 25 scientists 51–55 publications: 27 scientists 56–60 publications: 44 scientists 61–65 publications: 52 scientists 66–70 publications: 62 scientists 71–75 publications: 62 scientists 76–80 publications: 79 scientists 81–85 publications: 71 scientists 86–90 publications: 82 scientists 91–95 publications: 65 scientists 96–100 publications: 85 scientists 101–105 publications: 76 scientists 106–110 publications: 66 scientists 111–115 publications: 78 scientists 116–120 publications: 67 scientists 121–125 publications: 73 scientists 126–130 publications: 73 scientists 131–135 publications: 64 scientists 136–140 publications: 45 scientists 141–145 publications: 53 scientists 146–150 publications: 44 scientists 151–155 publications: 45 scientists 156–160 publications: 33 scientists 161–165 publications: 32 scientists 166–170 publications: 28 scientists 171–175 publications: 31 scientists 176–180 publications: 29 scientists 181–185 publications: 27 scientists 186–190 publications: 36 scientists 191–195 publications: 27 scientists 196–200 publications: 24 scientists 201–205 publications: 16 scientists 206–210 publications: 16 scientists 211–215 publications: 19 scientists 216–220 publications: 16 scientists 221–225 publications: 17 scientists 226–230 publications: 18 scientists 231–235 publications: 23 scientists 236–240 publications: 17 scientists 241–245 publications: 13 scientists 246–250 publications: 17 scientists 251–255 publications: 9 scientists 256–260 publications: 13 scientists 261–265 publications: 8 scientists 266–270 publications: 12 scientists 271–275 publications: 8 scientists 276–280 publications: 10 scientists 281–285 publications: 13 scientists 286–290 publications: 13 scientists 291–295 publications: 5 scientists 296–300 publications: 6 scientists 301–305 publications: 11 scientists 306–310 publications: 9 scientists 311–315 publications: 6 scientists 316–320 publications: 4 scientists 321–325 publications: 4 scientists 326–330 publications: 2 scientists 331–332 publications: 5 scientists 333+ publications: 97 scientists
36–40 publications 333+

This scientist: 124 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 333 publications or more.

View publications distribution as a table
Number of Political Science scientists by publication count, Research.com 2026 ranking edition. Based on 2,033 ranked scientists.
Publications Scientists This scientist
36–40 10
41–45 11
46–50 25
51–55 27
56–60 44
61–65 52
66–70 62
71–75 62
76–80 79
81–85 71
86–90 82
91–95 65
96–100 85
101–105 76
106–110 66
111–115 78
116–120 67
121–125 73 124
126–130 73
131–135 64
136–140 45
141–145 53
146–150 44
151–155 45
156–160 33
161–165 32
166–170 28
171–175 31
176–180 29
181–185 27
186–190 36
191–195 27
196–200 24
201–205 16
206–210 16
211–215 19
216–220 16
221–225 17
226–230 18
231–235 23
236–240 17
241–245 13
246–250 17
251–255 9
256–260 13
261–265 8
266–270 12
271–275 8
276–280 10
281–285 13
286–290 13
291–295 5
296–300 6
301–305 11
306–310 9
311–315 6
316–320 4
321–325 4
326–330 2
331–332 5
333+ 97
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Cristian Vaccari D-index placement in Political Science in 2026

The chart shows the D-index (discipline H-index) distribution of Political Science scientists ranked by Research.com in 2026. The highlighted bar marks where Cristian Vaccari sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 43 bars. Horizontal axis: D-Index, 20 to 62+. Vertical axis: number of scientists, 0 to 100. Most scientists, 100, have 62+ D-Index. The last bar groups every scientist with 62 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 20 D-Index: 76 scientists 21 D-Index: 79 scientists 22 D-Index: 84 scientists 23 D-Index: 68 scientists 24 D-Index: 88 scientists 25 D-Index: 82 scientists 26 D-Index: 76 scientists 27 D-Index: 75 scientists 28 D-Index: 99 scientists 29 D-Index: 96 scientists 30 D-Index: 96 scientists 31 D-Index: 81 scientists 32 D-Index: 86 scientists 33 D-Index: 81 scientists 34 D-Index: 84 scientists 35 D-Index: 72 scientists 36 D-Index: 58 scientists 37 D-Index: 53 scientists 38 D-Index: 48 scientists 39 D-Index: 40 scientists 40 D-Index: 40 scientists 41 D-Index: 32 scientists 42 D-Index: 26 scientists 43 D-Index: 25 scientists 44 D-Index: 33 scientists 45 D-Index: 33 scientists 46 D-Index: 17 scientists 47 D-Index: 21 scientists 48 D-Index: 22 scientists 49 D-Index: 18 scientists 50 D-Index: 19 scientists 51 D-Index: 19 scientists 52 D-Index: 15 scientists 53 D-Index: 14 scientists 54 D-Index: 10 scientists 55 D-Index: 13 scientists 56 D-Index: 9 scientists 57 D-Index: 11 scientists 58 D-Index: 12 scientists 59 D-Index: 10 scientists 60 D-Index: 5 scientists 61 D-Index: 7 scientists 62+ D-Index: 100 scientists
20 D-Index 62+

This scientist: 35 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 62 D-Index or more.

View D-Index distribution as a table
Number of Political Science scientists by D-index, Research.com 2026 ranking edition. Based on 2,033 ranked scientists.
D-Index Scientists This scientist
20 76
21 79
22 84
23 68
24 88
25 82
26 76
27 75
28 99
29 96
30 96
31 81
32 86
33 81
34 84
35 72 35
36 58
37 53
38 48
39 40
40 40
41 32
42 26
43 25
44 33
45 33
46 17
47 21
48 22
49 18
50 19
51 19
52 15
53 14
54 10
55 13
56 9
57 11
58 12
59 10
60 5
61 7
62+ 100
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Overview

Cristian Vaccari is affiliated with the University of Edinburgh in the United Kingdom. Their research primarily spans the social sciences, with particular emphasis on sociology and political science, communication, artificial intelligence, statistical and nonlinear physics, and health.

The scientist's work covers a range of topics, notably misinformation and its impacts, social media and politics, hate speech and cyberbullying detection, opinion dynamics and social influence, media influence and politics, vaccine coverage and hesitancy, and media studies and communication.

Cristian Vaccari has contributed research to several publication venues. These include:

  • The International Journal of Press/Politics
  • Political Communication
  • Psychological Medicine
  • Social Media + Society
  • Mass Communication & Society

Frequent co-authors collaborating with Vaccari comprise Andrew Chadwick, Natalie-Anne Hall, Daniel Freeman, Bao Sheng Loe, and Felicity Waite.

Recent notable papers authored or co-authored by Cristian Vaccari include:

  • Deepfakes and Disinformation: Exploring the Impact of Synthetic Political Video on Deception, Uncertainty, and Trust in News, 2020, Social Media + Society
  • COVID-19 vaccine hesitancy in the UK: the Oxford coronavirus explanations, attitudes, and narratives survey (Oceans) II, 2020, Psychological Medicine
  • Effects of different types of written vaccination information on COVID-19 vaccine hesitancy in the UK (OCEANS-III): a single-blind, parallel-group, randomised controlled trial, 2021, The Lancet Public Health
  • Injection fears and COVID-19 vaccine hesitancy, 2021, Psychological Medicine
  • Online Social Endorsement and Covid-19 Vaccine Hesitancy in the United Kingdom, 2021, Social Media + Society

Best Publications

  • Social media, political polarization, and political disinformation: a review of the scientific literature

    Joshua A. Tucker;Andrew Guess;Pablo Barbera;Cristian Vaccari;Cristian Vaccari

  • Accidental exposure to politics on social media as online participation equalizer in Germany, Italy, and the United Kingdom

    Augusto Valeriani;Cristian Vaccari

  • Dual Screening the Political: Media Events, Social Media, and Citizen Engagement

    Cristian Vaccari;Andrew Chadwick;Ben O'Loughlin

  • Political expression and action on social media: Exploring the relationship between lower- and higher-threshold political activities among Twitter users in Italy

    Cristian Vaccari;Cristian Vaccari;Augusto Valeriani;Pablo Barberá;Richard Bonneau

  • Effects of different types of written vaccination information on COVID-19 vaccine hesitancy in the UK (OCEANS-III): a single-blind, parallel-group, randomised controlled trial.

    Daniel Freeman;Daniel Freeman;Bao Sheng Loe;Ly Mee Yu;Jason Freeman

  • Do tabloids poison the well of social media? Explaining democratically dysfunctional news sharing:

    Andrew Chadwick;Cristian Vaccari;Ben O'Loughlin

  • Digital Politics in Western Democracies: A Comparative Study

    Cristian Vaccari

  • Follow the leader! Direct and indirect flows of political communication during the 2013 Italian general election campaign:

    Cristian Vaccari;Augusto Valeriani

  • Of Echo Chambers and Contrarian Clubs: Exposure to Political Disagreement Among German and Italian Users of Twitter

    Cristian Vaccari;Cristian Vaccari;Augusto Valeriani;Pablo Barberá;John T. Jost

  • From the air to the ground: the internet in the 2004 US presidential campaign:

    Cristian Vaccari

  • Injection fears and COVID-19 vaccine hesitancy.

    Daniel Freeman;Sinéad Lambe;Sinéad Lambe;Ly Mee Yu;Jason Freeman

  • Social media and political communication: A survey of Twitter users during the 2013 Italian general election

    Cristian Vaccari;Augusto Valeriani;Pablo Barberá;Richard Bonneau

  • “Technology Is a Commodity”: The Internet in the 2008 United States Presidential Election

    Cristian Vaccari

  • News sharing on UK social media: misinformation, disinformation, and correction

    Andrew Chadwick;Cristian Vaccari

  • Online Social Endorsement and Covid-19 Vaccine Hesitancy in the United Kingdom

    Andrew Chadwick;Johannes Kaiser;Cristian Vaccari;Daniel Freeman;Daniel Freeman

  • Research Note: Italian Parties' Websites in the 2006 Elections

    Cristian Vaccari

  • Do People “Like” Politicians on Facebook? Not really. Large-Scale Direct Candidate-to-Voter Online Communication as an Outlier Phenomenon

    Rasmus Kleis Nielsen;Cristian Vaccari

  • Surfing to the Élysée: The Internet in the 2007 French Elections

    Cristian Vaccari

  • From echo chamber to persuasive device? Rethinking the role of the Internet in campaigns:

    Cristian Vaccari

  • What Drives Politicians' Online Popularity? An Analysis of the 2010 U.S. Midterm Elections

    Rasmus Kleis Nielsen;Cristian Vaccari

  • Digital Politics in Western Democracies

    Cristian Vaccari

Frequent Co-Authors

Andrew Chadwick
Andrew Chadwick Loughborough University
Daniel Freeman
Daniel Freeman University of Oxford
Ben O'Loughlin
Ben O'Loughlin Royal Holloway University of London
Rasmus Kleis Nielsen
Rasmus Kleis Nielsen University of Copenhagen
Joshua A. Tucker
Joshua A. Tucker New York University
Jonathan Nagler
Jonathan Nagler New York University
Helen McShane
Helen McShane University of Oxford
Andrew J. Pollard
Andrew J. Pollard University of Oxford
Stephan Lewandowsky
Stephan Lewandowsky University of Bristol
John T. Jost
John T. Jost New York University

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