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Social Sciences and Humanities
South Africa
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 81 355 306 7 6 370 23514

Stephen Tollman publications per year

The chart shows the history of publications by Stephen Tollman between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stephen Tollman published across 38 years, from 1988 to 2025, averaging 12.1 papers a year. Output peaked at 41 publications in 2021. 35 of the 459 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 41. Peak 41 publications in 2021. 1988: 1 publication 1989: 0 publications 1990: 1 publication 1991: 1 publication 1992: 5 publications 1993: 4 publications 1994: 4 publications 1995: 1 publication 1996: 0 publications 1997: 4 publications 1998: 1 publication 1999: 6 publications 2000: 5 publications 2001: 5 publications 2002: 2 publications 2003: 1 publication 2004: 5 publications 2005: 0 publications 2006: 12 publications 2007: 19 publications 2008: 2 publications 2009: 8 publications 2010: 11 publications 2011: 7 publications 2012: 8 publications 2013: 23 publications 2014: 34 publications 2015: 22 publications 2016: 25 publications 2017: 34 publications 2018: 16 publications 2019: 26 publications 2020: 25 publications 2021: 41 publications 2022: 38 publications 2023: 27 publications 2024: 24 publications 2025: 11 publications
1988 2025

459 publications in total across all disciplines

View publications per year as a table
Stephen Tollman: publications per year, 1988 to 2025
Year Publications
1988 1
1989 0
1990 1
1991 1
1992 5
1993 4
1994 4
1995 1
1996 0
1997 4
1998 1
1999 6
2000 5
2001 5
2002 2
2003 1
2004 5
2005 0
2006 12
2007 19
2008 2
2009 8
2010 11
2011 7
2012 8
2013 23
2014 34
2015 22
2016 25
2017 34
2018 16
2019 26
2020 25
2021 41
2022 38
2023 27
2024 24
2025 11
Total 459
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Stephen Tollman publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Stephen Tollman sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 364–373 publications, is where this scientist sits. 44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44–53 publications 570+

This scientist: 370 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213
234–243 170
244–253 167
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42 370
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
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Stephen Tollman D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Stephen Tollman sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 81 D-Index, is where this scientist sits. 30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 81 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
49 186
50 187
51 166
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18 81
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
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Research.com Recognitions

  • 2026 - Research.com Social Sciences and Humanities in South Africa Leader Award
  • 2025 - Research.com Social Sciences and Humanities in South Africa Leader Award
  • 2022 - Research.com Social Sciences and Humanities in South Africa Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Law
  • Health care
  • Public health

Stephen Tollman mainly focuses on Demography, Public health, Rural area, Environmental health and Gerontology. Stephen Tollman has included themes like Overweight, Obesity, Cross-sectional study, Cash transfers and Pediatrics in his Demography study. His Public health research is multidisciplinary, relying on both Developing country, Economic growth, Mortality rate and Census.

His Rural area study incorporates themes from Age and female fertility, Birth rate, Refugee, Family planning and Socioeconomic status. His Environmental health research includes themes of Life expectancy, Verbal autopsy, Vital registration and Demographic transition. As part of the same scientific family, Stephen Tollman usually focuses on Gerontology, concentrating on Community health and intersecting with Public relations, Variety and Power.

His most cited work include:

  • The burden of non-communicable diseases in South Africa. (685 citations)
  • The burden of non-communicable diseases in South Africa. (685 citations)
  • The African Genome Variation Project shapes medical genetics in Africa (332 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Demography, Public health, Environmental health, Gerontology and Epidemiology. His Demography research is multidisciplinary, incorporating perspectives in Rural area, Socioeconomic status, Acquired immunodeficiency syndrome and Obesity. The study incorporates disciplines such as Life expectancy and Cause of death in addition to Acquired immunodeficiency syndrome.

His Public health research incorporates elements of Economic growth, Health care and Verbal autopsy. His work in Environmental health covers topics such as Psychological intervention which are related to areas like Confidence interval. The Gerontology study which covers Cross-sectional study that intersects with Young adult.

He most often published in these fields:

  • Demography (40.58%)
  • Public health (33.42%)
  • Environmental health (32.63%)

What were the highlights of his more recent work (between 2017-2021)?

  • Demography (40.58%)
  • Longitudinal study (6.90%)
  • Cohort (9.55%)

In recent papers he was focusing on the following fields of study:

His primary areas of investigation include Demography, Longitudinal study, Cohort, Environmental health and Psychological intervention. His research in Demography intersects with topics in Condom, Obesity, Epidemiology, Young adult and Community mobilization. The Epidemiology study combines topics in areas such as Disease and Public health.

His work deals with themes such as Cohort study, Epidemiological transition and Risk factor, which intersect with Environmental health. His Psychological intervention research includes elements of Health care, Mediation and Confidence interval. Stephen Tollman has researched Mental health in several fields, including Rural area and Social Welfare.

Between 2017 and 2021, his most popular works were:

  • The UCL–Lancet Commission on Migration and Health: the health of a world on the move (211 citations)
  • Global patterns of mortality in international migrants: a systematic review and meta-analysis (69 citations)
  • Cohort Profile: Health and Ageing in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI) (47 citations)

In his most recent research, the most cited papers focused on:

  • Law
  • Internal medicine
  • Health care

His primary areas of study are Demography, Cohort, Longitudinal study, Epidemiology and Gerontology. The various areas that Stephen Tollman examines in his Demography study include Condom, Psychological intervention, Obesity, Community mobilization and Confidence interval. His Longitudinal study study also includes

  • MEDLINE together with Ageing,
  • Relative risk, which have a strong connection to Pediatrics and Comorbidity,
  • Viral load together with Emtricitabine, Community health and Logistic regression.

His Epidemiology research is multidisciplinary, incorporating elements of Cognitive reserve, Cross-sectional study, Cognition and Depression. The concepts of his Cognition study are interwoven with issues in Dementia, Population based study and Public health. His studies in Depression integrate themes in fields like Multiple Chronic Conditions and Integrated care.

Best Publications

  • The burden of non-communicable diseases in South Africa.

    Bongani M Mayosi;Alan J Flisher;Umesh G Lalloo;Freddy Sitas

  • The UCL–Lancet Commission on Migration and Health: the health of a world on the move

    Ibrahim Abubakar;Robert W Aldridge;Delan Devakumar;Miriam Orcutt

  • The African Genome Variation Project shapes medical genetics in Africa

    Deepti Gurdasani;Tommy Carstensen;Tommy Carstensen;Fasil Tekola-Ayele;Luca Pagani

  • Profile: Agincourt Health and Socio-demographic Surveillance System

    Kathleen Kahn;Mark A Collinson;F Xavier Gómez-Olivé;Obed Mokoena

  • Evidence that a tax on sugar sweetened beverages reduces the obesity rate: a meta-analysis

    Maria A Cabrera Escobar;J Lennert Veerman;Stephen M Tollman;Melanie Y Bertram

  • Achieving the health Millennium Development Goals for South Africa: challenges and priorities

    Mickey. Chopra;Mickey. Chopra;Joy E. Lawn;Joy E. Lawn;David. Sanders;Peter. Barron

  • Research capacity. Enabling the genomic revolution in Africa

    Charles Rotimi;Akin Abayomi;Alash'le Abimiku;Victoria May Adabayeri

  • The prevalence of stunting, overweight and obesity, and metabolic disease risk in rural South African children

    Elizabeth W Kimani-Murage;Kathleen Kahn;Kathleen Kahn;John M Pettifor;Stephen M Tollman;Stephen M Tollman

  • Global patterns of mortality in international migrants: a systematic review and meta-analysis

    Robert W Aldridge;Laura B Nellums;Laura B Nellums;Sean Bartlett;Anna Louise Barr

  • Implications of mortality transition for primary health care in rural South Africa: a population-based surveillance study

    Stephen M Tollman;Stephen M Tollman;Kathleen Kahn;Kathleen Kahn;Benn Sartorius;Mark A Collinson

  • Validation and application of verbal autopsies in a rural area of South Africa.

    Kathleen Kahn;Stephen M. Tollman;Michel Garenne;John S. S. Gear

  • Returning home to die: circular labour migration and mortality in South Africa.

    Samuel J. Clark;Mark A. Collinson;Kathleen Kahn;Kyle Drullinger

  • The effect of a conditional cash transfer on HIV incidence in young women in rural South Africa (HPTN 068): a phase 3, randomised controlled trial

    Audrey Pettifor;Catherine MacPhail;Catherine MacPhail;James P Hughes;James P Hughes;Amanda Selin

  • Community-based antibiotic access and use in six low-income and middle-income countries: a mixed-method approach.

    Nga T T Do;Huong T L Vu;Chuc T K Nguyen;Sureeporn Punpuing

  • Strengthening standardised interpretation of verbal autopsy data: the new InterVA-4 tool

    Peter Byass;Daniel Chandramohan;Samuel J. Clark;Lucia D'Ambruoso

  • Assessing health seeking behaviour among tuberculosis patients in rural South Africa.

    R M Pronyk;M B Makhubele;J R Hargreaves;S M Tollman

  • Ageing and adult health status in eight lower-income countries: the INDEPTH WHO-SAGE collaboration

    Paul Kowal;Kathleen Kahn;Nawi Ng;Nirmala Naidoo

  • Prevalence of HIV among those 15 and older in rural South Africa

    Francesc Xavier Gómez-Olivé;Nicole Angotti;Brian Houle;Kerstin Klipstein-Grobusch

  • Research into health, population and social transitions in rural South Africa: data and methods of the Agincourt Health and Demographic Surveillance System.

    Kathleen Kahn;Stephen M. Tollman;Mark A. Collinson;Samuel J. Clark

  • Highly prevalent circular migration: Households, mobility and economic status in rural South Africa

    Mark Collinson;Stephen Tollman;Kathleen Kahn;Samuel Clark

  • A perspective on Primary Health Care in South Africa : Primary Health Care : in context

    Keegan Kautzky;Stephen M. Tollman

Frequent Co-Authors

Kathleen Kahn
Kathleen Kahn University of the Witwatersrand
Mark A. Collinson
Mark A. Collinson University of the Witwatersrand
Peter Byass
Peter Byass Umeå University
Lisa F. Berkman
Lisa F. Berkman Harvard University
Osman Sankoh
Osman Sankoh University of the Witwatersrand
Audrey Pettifor
Audrey Pettifor University of North Carolina at Chapel Hill
Margaret Thorogood
Margaret Thorogood University of Warwick
Michèle Ramsay
Michèle Ramsay University of the Witwatersrand
Karen J. Hofman
Karen J. Hofman University of the Witwatersrand
Alan Stein
Alan Stein University of Oxford

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