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
Medicine 95 9984 9368 964 920 413 36855

David A. Leon publications per year

The chart shows the history of publications by David A. Leon between 1980 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David A. Leon published across 47 years, from 1980 to 2026, averaging 10.9 papers a year. Output peaked at 40 publications in 2005. 15 of the 510 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1980 to 2026. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2005. 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 1 publication 1989: 1 publication 1990: 1 publication 1991: 3 publications 1992: 3 publications 1993: 4 publications 1994: 7 publications 1995: 4 publications 1996: 7 publications 1997: 7 publications 1998: 18 publications 1999: 15 publications 2000: 29 publications 2001: 23 publications 2002: 7 publications 2003: 10 publications 2004: 16 publications 2005: 40 publications 2006: 21 publications 2007: 17 publications 2008: 9 publications 2009: 16 publications 2010: 10 publications 2011: 21 publications 2012: 14 publications 2013: 16 publications 2014: 15 publications 2015: 8 publications 2016: 20 publications 2017: 8 publications 2018: 18 publications 2019: 14 publications 2020: 21 publications 2021: 21 publications 2022: 19 publications 2023: 14 publications 2024: 15 publications 2025: 14 publications 2026: 1 publication
1980 2026

510 publications in total across all disciplines

View publications per year as a table
David A. Leon: publications per year, 1980 to 2026
Year Publications
1980 1
1981 0
1982 0
1983 0
1984 1
1985 0
1986 0
1987 0
1988 1
1989 1
1990 1
1991 3
1992 3
1993 4
1994 7
1995 4
1996 7
1997 7
1998 18
1999 15
2000 29
2001 23
2002 7
2003 10
2004 16
2005 40
2006 21
2007 17
2008 9
2009 16
2010 10
2011 21
2012 14
2013 16
2014 15
2015 8
2016 20
2017 8
2018 18
2019 14
2020 21
2021 21
2022 19
2023 14
2024 15
2025 14
2026 1
Total 510
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David A. Leon publications per year - data summary

  • David A. Leon, a Medicine scholar from London School of Hygiene & Tropical Medicine, has 510 publications recorded across 47 years, from 1980 to 2026.
  • The oldest publication on record dates to 1980 and the most recent to 2026.
  • The most productive year is 2005, with 40 publications.
  • The least productive years with any output are 1980, 1984, 1988, 1989 and others, with 1 publication each.
  • 6 of the 47 years in the span carry no publications at all (1981, 1982, 1983, 1985 and others).
  • The rate of publication averages 10.9 papers per year over the whole span, or 12.4 per year counting only the 41 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 63 publications, 12% of the career total.
  • Split into equal eras - 1980-1995: 26 publications (1.6 per year); 1996-2011: 266 publications (16.6 per year); 2012-2026: 218 publications (14.5 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

David A. Leon publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where David A. Leon sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 401–420 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 413 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918 413
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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David A. Leon publication distribution in Medicine in 2026 - data summary

  • The chart plots the publication count of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 86 ranges running from 101–120 to 1,796+ publications.
  • David A. Leon, a Medicine scholar from London School of Hygiene & Tropical Medicine, records 413 publications - the 41st percentile of the discipline.
  • 41% of ranked Medicine scientists score the same or lower than David A. Leon, and about 59% score higher.
  • The median of the discipline falls in the 441–460 publications range, and David A. Leon ranks below the median.
  • The most crowded range is 341–360 publications, holding 922 scientists (5% of the field).
  • 64% of the field sits in the lowest quarter of the value range (up to 521–540 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,796 publications or more, 100 scientists in all (<1% of the field).

David A. Leon D-index placement in Medicine in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 94–95 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 95 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808 95
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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David A. Leon D-index placement in Medicine in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 75 ranges running from 70–71 to 217+ D-Index.
  • David A. Leon, a Medicine scholar from London School of Hygiene & Tropical Medicine, records 95 D-Index - the 51st percentile of the discipline.
  • 51% of ranked Medicine scientists score the same or lower than David A. Leon, and about 49% score higher.
  • The median of the discipline falls in the 94–95 D-Index range, and David A. Leon falls inside that same range.
  • The most crowded range is 82–83 D-Index, holding 1,027 scientists (5% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 106–107 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 217 D-Index or more, 98 scientists in all (<1% of the field).

Overview

David A. Leon is affiliated with the London School of Hygiene & Tropical Medicine in the United Kingdom. Their research primarily spans the field of Medicine, with a substantial focus on Cardiology and Cardiovascular Medicine, Health, General Health Professions, Epidemiology, and Public Health, Environmental and Occupational Health.

Their recent research publications include significant works such as:

  • "Nitrate and nitrite contamination in drinking water and cancer risk: A systematic review with meta-analysis" (2022, Environmental Research)
  • "COVID-19: a need for real-time monitoring of weekly excess deaths" (2020, The Lancet)
  • "Self-reported health as a predictor of mortality: A cohort study of its relation to other health measurements and observation time" (2020, Scientific Reports)
  • "Mortality among Care Home Residents in England during the first and second waves of the COVID-19 pandemic: an observational study of 4.3 million adults over the age of 65" (2022, The Lancet Regional Health - Europe)
  • "The Russian invasion of Ukraine and its public health consequences" (2022, The Lancet Regional Health - Europe)

The scientist's frequent publication venues include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • International Journal of Epidemiology
  • Scientific Reports
  • Wellcome Open Research
  • BMC Cardiovascular Disorders

David A. Leon has collaborated extensively with several frequent co-authors, among them:

  • Sofia Malyutina
  • Alexander V. Kudryavtsev
  • Henrik Schirmer
  • Vladimir M. Shkolnikov
  • Sarah Cook

Their research topics cover a range of public health and medical issues, notably:

  • Health disparities and outcomes
  • Blood Pressure and Hypertension Studies
  • Global Health Care Issues
  • COVID-19 and healthcare impacts
  • Global Public Health Policies and Epidemiology
  • Cardiovascular Health and Risk Factors
  • COVID-19 Clinical Research Studies

Best Publications

  • Body-mass index and risk of 22 specific cancers: a population-based cohort study of 5·24 million UK adults.

    Krishnan Bhaskaran;Ian Douglas;Harriet Forbes;Isabel dos-Santos-Silva

  • Birth Weight and Risk of Type 2 Diabetes: A Systematic Review

    Peter H. Whincup;Samantha J. Kaye;Christopher G. Owen;Rachel Huxley

  • Huge variation in Russian mortality rates 1984-94: artefact, alcohol, or what?

    David A Leon;Laurent Chenet;Vladimir M Shkolnikov;Sergei Zakharov

  • Reduced fetal growth rate and increased risk of death from ischaemic heart disease: cohort study of 15 000 Swedish men and women born 1915-29

    David A Leon;Hans O Lithell;Denny Vågerö;Ilona Koupilová

  • Relation of size at birth to non-insulin dependent diabetes and insulin concentrations in men aged 50-60 years

    Hans O Lithell;Paul M McKeigue;Lars Berglund;Rawya Mohsen

  • Risk thresholds for alcohol consumption: combined analysis of individual-participant data for 599 912 current drinkers in 83 prospective studies

    Angela M. Wood;Stephen Kaptoge;Adam S. Butterworth;Peter Willeit

  • Association of BMI with overall and cause-specific mortality: a population-based cohort study of 3·6 million adults in the UK.

    Krishnan Bhaskaran;Isabel dos-Santos-Silva;David A Leon;David A Leon;Ian J Douglas

  • Association between alcohol and cardiovascular disease:Mendelian randomisation analysis based on individual participant data

    Michael V Holmes;Michael V Holmes;Caroline E Dale;Luisa Zuccolo;Richard J Silverwood

  • Hypertension In Sub-Saharan Africa A Systematic Review

    Juliet Addo;Liam Smeeth;David A. Leon

  • EASL Clinical Practical Guidelines: Management of Alcoholic Liver Disease

    Philippe Mathurin;Antoine Hadengue;Giovanni Addolorato;Alastair Burt

  • Economic change, crime, and mortality crisis in Russia: regional analysis

    Peder Walberg;Martin McKee;Vladimir Shkolnikov;Laurent Chenet

  • Hazardous alcohol drinking and premature mortality in Russia: a population based case-control study.

    David A Leon;Lyudmila Saburova;Susannah Tomkins;Evgueny Andreev

  • Liver cirrhosis mortality rates in Britain from 1950 to 2002: an analysis of routine data

    David A Leon;Jim McCambridge

  • Failure to realise growth potential in utero and adult obesity in relation to blood pressure in 50 year old Swedish men.

    David A Leon;Ilona Koupilova;Hans O Lithell;Lars Berglund

  • Completeness and usability of ethnicity data in UK-based primary care and hospital databases

    Rohini Mathur;Krishnan Bhaskaran;Nish Chaturvedi;David A. Leon

  • Changes in life expectancy in Russia in the mid-1990s.

    Vladimir Shkolnikov;Martin McKee;David A Leon

  • Parity, age at first childbirth, and risk of ovarian cancer.

    H-O Adami;M Lambe;I Persson;A Ekbom

  • Paternal age and schizophrenia: a population based cohort study

    Attila Sipos;Finn Rasmussen;Glynn Harrison;Per Tynelius

  • Birth weight is inversely associated with incident coronary heart disease and stroke among individuals born in the 1950s: findings from the Aberdeen Children of the 1950s prospective cohort study.

    Debbie A. Lawlor;Georgina Ronalds;Heather Clark;George Davey Smith

  • Contributions of risk factors and medical care to cardiovascular mortality trends.

    Majid Ezzati;Ziad Obermeyer;Ioanna Tzoulaki;Bongani M. Mayosi

Frequent Co-Authors

Martin McKee
Martin McKee London School of Hygiene & Tropical Medicine
Vladimir M. Shkolnikov
Vladimir M. Shkolnikov Max Planck Society
Debbie A. Lawlor
Debbie A. Lawlor University of Bristol
George Davey Smith
George Davey Smith University of Bristol
Hans Lithell
Hans Lithell Uppsala University
Martin Bobak
Martin Bobak University College London
Liam Smeeth
Liam Smeeth London School of Hygiene & Tropical Medicine
Gill Walt
Gill Walt London School of Hygiene & Tropical Medicine
Denny Vågerö
Denny Vågerö Stockholm University
Sally Macintyre
Sally Macintyre MRC Social and Public Health Sciences Unit

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