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
Social Sciences and Humanities 57 1769 1589 133 124 314 13255

Alan H. Bittles publications per year

The chart shows the history of publications by Alan H. Bittles between 1965 and 2020, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alan H. Bittles published across 56 years, from 1965 to 2020, averaging 6.1 papers a year. Output peaked at 20 publications in 2004. 8 of the 343 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1965 to 2020. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2004. 1965: 1 publication 1966: 0 publications 1967: 0 publications 1968: 2 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 2 publications 1975: 1 publication 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 4 publications 1980: 2 publications 1981: 8 publications 1982: 5 publications 1983: 5 publications 1984: 5 publications 1985: 5 publications 1986: 6 publications 1987: 6 publications 1988: 10 publications 1989: 6 publications 1990: 7 publications 1991: 8 publications 1992: 7 publications 1993: 11 publications 1994: 9 publications 1995: 10 publications 1996: 10 publications 1997: 7 publications 1998: 9 publications 1999: 10 publications 2000: 7 publications 2001: 11 publications 2002: 12 publications 2003: 15 publications 2004: 20 publications 2005: 10 publications 2006: 9 publications 2007: 8 publications 2008: 15 publications 2009: 7 publications 2010: 11 publications 2011: 6 publications 2012: 16 publications 2013: 5 publications 2014: 9 publications 2015: 1 publication 2016: 6 publications 2017: 5 publications 2018: 4 publications 2019: 4 publications 2020: 4 publications
1965 2020

343 publications in total across all disciplines

View publications per year as a table
Alan H. Bittles: publications per year, 1965 to 2020
Year Publications
1965 1
1966 0
1967 0
1968 2
1969 0
1970 0
1971 0
1972 0
1973 1
1974 2
1975 1
1976 1
1977 0
1978 0
1979 4
1980 2
1981 8
1982 5
1983 5
1984 5
1985 5
1986 6
1987 6
1988 10
1989 6
1990 7
1991 8
1992 7
1993 11
1994 9
1995 10
1996 10
1997 7
1998 9
1999 10
2000 7
2001 11
2002 12
2003 15
2004 20
2005 10
2006 9
2007 8
2008 15
2009 7
2010 11
2011 6
2012 16
2013 5
2014 9
2015 1
2016 6
2017 5
2018 4
2019 4
2020 4
Total 343
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Alan H. Bittles 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 Alan H. Bittles 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, 314–323 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: 314 publications — 89th percentile

89% 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
314–323 101 314
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
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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Alan H. Bittles 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 Alan H. Bittles 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, 57 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: 57 D-Index — 78th percentile

78% 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 57
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
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

  • 2007 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Genetics
  • Mutation

His primary areas of study are Demography, Consanguinity, Consanguineous Marriage, Infant mortality and Inbreeding. His Demography research incorporates themes from Genetic counseling, Genetics, Intellectual disability, Urbanization and Pediatrics. His studies in Intellectual disability integrate themes in fields like Life expectancy, Cancer registry, Incidence and Down syndrome.

His Consanguinity research includes elements of Offspring, Pregnancy, Fertility, Public health and Developing country. His Consanguineous Marriage study incorporates themes from Endogamy, Legislation, Prejudice and Caste. His work in Infant mortality tackles topics such as Child mortality which are related to areas like Mortality rate, Logistic regression and Birth order.

His most cited work include:

  • Consanguinity and its relevance to clinical genetics (411 citations)
  • Consanguinity, human evolution, and complex diseases (336 citations)
  • The Influence of Intellectual Disability on Life Expectancy (325 citations)

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

Alan H. Bittles mostly deals with Demography, Consanguinity, Consanguineous Marriage, Genetics and Inbreeding. His work deals with themes such as Fertility, Coefficient of relationship, Disease, Developing country and Ethnic group, which intersect with Demography. His Consanguinity research incorporates themes from Endogamy, Public health, Genetic counseling and Infant mortality.

His Public health research is multidisciplinary, incorporating elements of Epidemiology and Human genetics. His Consanguineous Marriage research includes themes of Genealogy, Genetic drift and Cousin. His study in Genetics focuses on Allele in particular.

He most often published in these fields:

  • Demography (43.89%)
  • Consanguinity (36.67%)
  • Consanguineous Marriage (26.39%)

What were the highlights of his more recent work (between 2010-2020)?

  • Consanguinity (36.67%)
  • Consanguineous Marriage (26.39%)
  • Demography (43.89%)

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

Consanguinity, Consanguineous Marriage, Demography, Disease and Public health are his primary areas of study. His work carried out in the field of Consanguinity brings together such families of science as Endogamy, Genealogy, Genetic counseling and Infant mortality. His study with Consanguineous Marriage involves better knowledge in Genetics.

His Demography study combines topics in areas such as Coefficient of relationship, First Cousin, Life expectancy, Down syndrome and Ethnic group. The Disease study combines topics in areas such as Clinical trial and Medical emergency. His Public health research is multidisciplinary, relying on both Epidemiology, Disease burden, Bioinformatics and Human genetics.

Between 2010 and 2020, his most popular works were:

  • Consanguineous marriages, pearls and perils: Geneva International Consanguinity Workshop Report (174 citations)
  • Consanguinity in Context (71 citations)
  • Consanguinity and the risk of congenital heart disease (52 citations)

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

  • Gene
  • Genetics
  • Mutation

His primary areas of investigation include Consanguinity, Genetic counseling, Demography, Consanguineous Marriage and Pediatrics. In his study, Orphan drug is strongly linked to Disease, which falls under the umbrella field of Consanguinity. His studies in Genetic counseling integrate themes in fields like Latin Americans, Family medicine, Human genetics, Developing country and Health education.

His Demography study combines topics from a wide range of disciplines, such as Offspring, Pregnancy outcomes, First Cousin, Ethnic group and Index case. His Consanguineous Marriage research integrates issues from Global population, Fertility, Genetic testing and Infant mortality. Alan H. Bittles combines subjects such as Heart disease, European population, Genetic predisposition and Risk factor with his study of Pediatrics.

Best Publications

  • Consanguinity and its relevance to clinical genetics

    AH Bittles

  • Consanguinity, human evolution, and complex diseases

    Alan Bittles;Michael Black

  • The four ages of Down syndrome.

    Alan H Bittles;Carol Bower;Rafat Hussain;Emma J Glasson;Emma J Glasson;Emma J Glasson

  • The Influence of Intellectual Disability on Life Expectancy

    A.H. Bittles;B.A. Petterson;S.G. Sullivan;R. Hussain

  • The changing survival profile of people with Down's syndrome: implications for genetic counselling.

    Emma Glasson;S.G. Sullivan;R. Hussain;B.A. Petterson

  • Clinical, social, and ethical implications of changing life expectancy in Down syndrome

    A H Bittles;E J Glasson

  • Reproductive behavior and health in consanguineous marriages.

    Bittles Ah;Mason Wm;Greene J;Rao Na

  • The costs of human inbreeding and their implications for variations at the DNA level

    Alan H. Bittles;James V. Neel

  • Consanguineous marriages, pearls and perils: Geneva International Consanguinity Workshop Report

    Hanan Hamamy;Stylianos E. Antonarakis;Luigi Luca Cavalli-Sforza;Samia Temtamy

  • The Role and Significance of Consanguinity as a Demographic Variable

    Alan H. Bittles

  • The prevalence and demographic characteristics of consanguineous marriages in Pakistan

    R. Hussain;A. H. Bittles

  • Genetic Counseling and Screening of Consanguineous Couples and Their Offspring: Recommendations of the National Society of Genetic Counselors

    Robin L. Bennett;Arno G. Motulsky;Alan Bittles;Louanne Hudgins

  • Endogamy, consanguinity and community genetics.

    A H Bittles

  • Gene mapping in Gypsies identifies a novel demyelinating neuropathy on chromosome 8q24.

    Luba Kalaydjieva;Luba Kalaydjieva;Joachim Hallmayer;David Chandler;Alexey Savov

  • Community control of genetic and congenital disorders

    A. Alwan;B. Modell;A.H. Bittles;A. Czeilel

  • A Community Genetics Perspective on Consanguineous Marriage

    A.H. Bittles

  • The impact of consanguinity on neonatal and infant health.

    Alan H Bittles;Alan H Bittles;Michael L Black

  • Consanguinity as a Determinant of Reproductive Behaviour and Mortality in Pakistan

    Alan H Bittles;Jonathan C Grant;Sajjad A Shami

  • Consanguinity in Context

    Alan H. Bittles

  • A climatologic investigation of the SARS-CoV outbreak in Beijing, China.

    Jingsong Yuan;Hongmin Yun;Wei Lan;Wei Wang

Frequent Co-Authors

Sheena G. Sullivan
Sheena G. Sullivan World Health Organization
Jonathan Grant
Jonathan Grant King's College London
Sue Fletcher
Sue Fletcher Murdoch University
Neil Small
Neil Small University of Bradford
Tony Roscioli
Tony Roscioli University of New South Wales
Ken McElreavey
Ken McElreavey Institut Pasteur
Bartha Maria Knoppers
Bartha Maria Knoppers McGill University Health Centre
Raoul C.M. Hennekam
Raoul C.M. Hennekam University of Amsterdam
Jon F. Merz
Jon F. Merz University of Pennsylvania
Anne De Paepe
Anne De Paepe Ghent University Hospital

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