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
Psychology 90 935 817 112 102 288 47924

Joseph Firth publications per year

The chart shows the history of publications by Joseph Firth between 2010 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Joseph Firth published across 17 years, from 2010 to 2026, averaging 23.3 papers a year. Output peaked at 60 publications in 2019. 39 of the 396 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 2010 to 2026. Vertical axis: number of publications, 0 to 60. Peak 60 publications in 2019. 2010: 1 publication 2011: 0 publications 2012: 1 publication 2013: 1 publication 2014: 1 publication 2015: 4 publications 2016: 18 publications 2017: 32 publications 2018: 48 publications 2019: 60 publications 2020: 60 publications 2021: 47 publications 2022: 29 publications 2023: 27 publications 2024: 28 publications 2025: 35 publications 2026: 4 publications
2010 2026

396 publications in total across all disciplines

View publications per year as a table
Joseph Firth: publications per year, 2010 to 2026
Year Publications
2010 1
2011 0
2012 1
2013 1
2014 1
2015 4
2016 18
2017 32
2018 48
2019 60
2020 60
2021 47
2022 29
2023 27
2024 28
2025 35
2026 4
Total 396
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Joseph Firth publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Joseph Firth sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 281–290 publications, is where this scientist sits. 31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31–40 publications 705+

This scientist: 288 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139 288
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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Joseph Firth D-index placement in Psychology in 2026

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

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 90–91 D-Index, is where this scientist sits. 30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30–31 D-Index 144+

This scientist: 90 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77 90
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Overview

Joseph Firth is affiliated with the University of Manchester in the United Kingdom. Their research spans multiple fields related to medicine and psychology, with a particular focus on mental health, physical activity, and digital interventions.

Their work extensively covers topics such as:

  • Digital Mental Health Interventions
  • Physical Activity and Health
  • Eating Disorders and Behaviors
  • Schizophrenia research and treatment
  • Mental Health Research Topics
  • Obesity, Physical Activity, Diet
  • Mobile Health and mHealth Applications

Firth's main fields of study include Medicine and Psychology. Within these broader areas, they have contributed to research in Clinical Psychology, Psychiatry and Mental Health, Physiology, Applied Psychology, and Public Health, Environmental and Occupational Health.

Frequent publication venues for Firth's work demonstrate consistent contributions to journals such as:

  • World Psychiatry
  • Psychiatry Research
  • The Lancet Psychiatry
  • Mental Health and Physical Activity
  • Journal of Affective Disorders

Some notable recent publications by Joseph Firth include:

  • A meta-review of "lifestyle psychiatry": the role of exercise, smoking, diet and sleep in the prevention and treatment of mental disorders, 2020, World Psychiatry
  • World Health Organization 2020 guidelines on physical activity and sedentary behaviour, 2020, British Journal of Sports Medicine
  • 2020 WHO guidelines on physical activity and sedentary behaviour for children and adolescents aged 5-17 years: summary of the evidence, 2020, International Journal of Behavioral Nutrition and Physical Activity
  • Digital Mental Health and COVID-19: Using Technology Today to Accelerate the Curve on Access and Quality Tomorrow, 2020, JMIR Mental Health
  • The growing field of digital psychiatry: current evidence and the future of apps, social media, chatbots, and virtual reality, 2021, World Psychiatry

Firth collaborates frequently with several researchers in their field, including Brendon Stubbs, Davy Vancampfort, John Torous, Marco Solmi, and Felipe Barreto Schuch, indicating a broad network within mental health, psychiatry, and digital health research.

Best Publications

  • World Health Organization 2020 guidelines on physical activity and sedentary behaviour

    Fiona C. Bull;Salih S. Al-Ansari;Stuart Biddle;Katja Borodulin

  • Physical Activity and Incident Depression: A Meta-Analysis of Prospective Cohort Studies

    Felipe B. Schuch;Davy Vancampfort;Joseph Firth;Simon Rosenbaum

  • The Lancet Psychiatry Commission: a blueprint for protecting physical health in people with mental illness

    Joseph Firth;Joseph Firth;Joseph Firth;Najma Siddiqi;Ai Koyanagi;Ai Koyanagi;Ai Koyanagi;Dan J Siskind

  • The efficacy of smartphone-based mental health interventions for depressive symptoms: a meta-analysis of randomized controlled trials.

    Joseph Firth;John B Torous;Jennifer Nicholas;Rebekah Carney

  • Sedentary behavior and physical activity levels in people with schizophrenia, bipolar disorder and major depressive disorder: a global systematic review and meta-analysis.

    Davy Vancampfort;Joseph Firth;Felipe B. Schuch;Simon Rosenbaum;Simon Rosenbaum

  • Clinical review of user engagement with mental health smartphone apps: evidence, theory and improvements.

    John Torous;Jennifer Nicholas;Mark E Larsen;Mark E Larsen;Joseph Firth

  • Can smartphone mental health interventions reduce symptoms of anxiety? A meta-analysis of randomized controlled trials.

    Joseph Firth;John Torous;Jennifer Nicholas;Rebekah Carney

  • A systematic review and meta-analysis of exercise interventions in schizophrenia patients

    Joseph Firth;Jack Cotter;Rebecca Elliott;Paul French

  • Physical activity and sedentary behavior in people with major depressive disorder: A systematic review and meta-analysis.

    Felipe Schuch;Davy Vancampfort;Joseph Firth;Simon Rosenbaum

  • EPA guidance on physical activity as a treatment for severe mental illness: a meta-review of the evidence and Position Statement from the European Psychiatric Association (EPA), supported by the International Organization of Physical Therapists in Mental Health (IOPTMH).

    Brendon Stubbs;Brendon Stubbs;Davy Vancampfort;Mats Hallgren;Joseph Firth

  • An examination of the anxiolytic effects of exercise for people with anxiety and stress-related disorders: A meta-analysis

    Brendon Stubbs;Brendon Stubbs;Davy Vancampfort;Simon Rosenbaum;Joseph Firth

  • Motivating factors and barriers towards exercise in severe mental illness: a systematic review and meta-analysis

    Joseph Firth;Simon Rosenbaum;Brendon Stubbs;Paul Gorczynski

  • The "online brain": how the Internet may be changing our cognition

    Joseph Firth;John B Torous;Brendon Stubbs;Josh A Firth

  • Diet and depression: exploring the biological mechanisms of action

    Wolfgang Marx;Melissa Lane;Meghan Hockey;Hajara Aslam

  • The Effects of Dietary Improvement on Symptoms of Depression and Anxiety: A Meta-Analysis of Randomized Controlled Trials

    Joseph Firth;Wolfgang Marx;Sarah Dash;Rebekah Carney

  • Aerobic Exercise Improves Cognitive Functioning in People With Schizophrenia: A Systematic Review and Meta-Analysis

    Joseph Firth;Brendon Stubbs;Brendon Stubbs;Simon Rosenbaum;Davy Vancampfort

  • Effect of aerobic exercise on hippocampal volume in humans: A systematic review and meta-analysis

    Joseph Firth;Joseph Firth;Brendon Stubbs;Davy Vancampfort;Felipe Schuch

Frequent Co-Authors

Brendon Stubbs
Brendon Stubbs Medical University of Vienna
Ai Koyanagi
Ai Koyanagi University of Barcelona
Lee Smith
Lee Smith Anglia Ruskin University
Felipe Barreto Schuch
Felipe Barreto Schuch Deakin University
Alison R. Yung
Alison R. Yung Deakin University
Nicola Veronese
Nicola Veronese University of Palermo
Marco Solmi
Marco Solmi University of Ottawa
John Torous
John Torous Harvard Medical School
André F. Carvalho
André F. Carvalho Centre for Addiction and Mental Health

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