Gaddy, H., Fortunato, L. & Sear, R. (2024) High rates of polygyny do not lock large proportions of men out of the marriage market. SocArXiv

McLean, E. & Sear, R. & Slaymaker, E. (2024). Versatility, value and limitations of using Health and Demographic Surveillance Site data for secondary analyses: guidance for researchers using examples from existing analyses. SocArXiv

McLean, E., & Sironi, M., & Dube, A., & Slaymaker,E, & Crampin, A. C. & Sear, R. (2024). Transitions to adulthood in men and women in rural Malawi in the 21st century using sequence analysis: some evidence for delay. SocArXiv

Sear, R. (2022) ‘National IQ’ datasets do not provide accurate, unbiased or comparable measures of cognitive ability worldwide. PsyArXiv.

Hassan, A., Lawson, D.W., Schaffnit, S.B., Urassa, M. & Sear, R. (2021) Childcare in transition: evidence that patterns of childcare differ by degree of market integration in north-western Tanzania. OSF Preprints

Raybould, A., Sear, R. (2021) Expectations after expecting: the impact of first birth on the fertility expectations of one child women in the USA and UK. SocArXiv


Burger, O., Lee, R. & Sear, R. Human Evolutionary Demography (2024) Open Book Publishers.

Sear, R., Burger, O. & Lee, R. (2024) Human evolutionary demography: introduction and rationale. In: Human Evolutionary Demography, eds Burger, O., Lee, R. & Sear, R., pp 1-24. Open Book Publishers. Available at the book’s doi above, or on OSF:

Burger, O., Lee, R. & Sear, R. (2024) Human evolutionary demography: closing thoughts (2024). In: Human Evolutionary Demography, eds Burger, O., Lee, R. & Sear, R., pp 741-758. Open Book Publishers. Available at the book’s doi above, or on OSF:

Hassan, A., Spake, L., Shaver, J.H., Shenk, M.K., Sosis, R., Sear, R. (2024) Nuclearization of maternal support networks in the UK and the US during the COVID-19 pandemic: Impact on women’s financial and emotional wellbeing. Social Sciences & Humanities Open 10 100932

Spake, L., Schaffnit, S.B., Page, A.E., Hassan, A., Lynch, R., Watts, J., Sosis, R., Sear, R., Shenk, M.K., Shaver, J.H. (2024) Religious women receive more allomaternal support from non-partner kin in two low-fertility countries. Evolution and Human Behavior 45 (3): 268-280

McLean E, Kalobekamo F, Mwiba O, Crampin, A.C., Slaymaker, E., Sear, R. & Dube A. (2024) Family network and household composition: a longitudinal dataset derived from the Karonga Health and Demographic Surveillance System, in rural Malawi [version 2; peer review: 2 approved]. Wellcome Open Res 2024, 8:573

Spake, L., Hassan, A., Schaffnit, S.B., Alam, N., Amoah, A.S., Badijie, J., Cerami, C., Crampin, A., Dube, A., Kaye, M.P., Kotch, R., Liew, F., McLean, E., Munthali-Mkandiwire, S., Mwalwanda, L., Petersen, A-C., Prentice, A.M., Zohora, F. t., Watts, J., Sear, R., Shenk, M.K., Sosis, R., Shaver, J. (2023) A practical guide to cross-cultural data collection in the biological and behavioural sciences. Proceedings of the Royal Society, Series B 291: 20231422

McLean E, Dube A, Kalobekamo F, Slaymaker, E, Crampin, A.C., Sear, R. (2023) Local and long-distance migration among young people in rural Malawi: importance of age, sex and family [version 2; peer review: 2 approved]. Wellcome Open Res 2024, 8:211

Sear, R. (2024) Whales make waves in the quest to discover why menopause evolved. Nature News & Views

Page, A.E., Ringen, E., Koster, J., Borgerhoff Mulder, M., Kramer, K., Shenk, M.K., Stieglitz, J., Starkweather, K., Ziker, J.P., Boyette,A.H., Colleran, H., Moya, C., Dum, J., Mattison, S.M., Greaves, R.,  Sump, C-Y., Liun, R., Lew-Levy, S., Kiabiya Ntamboudila, F., Pralls, S. Towner, M.C., Blumenfield, T.,  Miglianou, A.B., Major-Smith, D., Dyble, M., Deniz Salali, G., Chaudhary, N., Derkx, I.E., Ross, C.T., Scelza, B.S., Gurven, M.D., Winterhalder, B.P., Corteza, C., Pacheco-Cobos, L., Schacht, R., Macfarlan, S.J., Leonetti,D., French, J.C., Alam, N., tuz Zohoraff, F., Kaplan, H.S., Hooper, P.L. & Sear, R. (2024) Women’s subsistence strategies predict fertility across cultures, but context matters. Proceedings of the National Academy of Sciences, US. 121 (9) e2318181121


Raybould, A., Mynarska, M. & Sear, R., (2023) “The future is unstable”: exploring changing fertility intentions in the United Kingdom during the COVID-19 pandemic. Perspectives on Sexual and Reproductive Health 55(4): 229-238

Thurstans, S., Opondo, C., Bailey, J., Stobaugh, H., Loddo, F., Wrottesley. S.V., Seal, A., Myatt, M., Briend, A., Garenne, M., Mertens, A., Wells, J., Sear, R. & Kerac, M., (2023) How age and sex affect treatment outcomes for children with severe malnutrition: a multi-country secondary data analysis. Maternal and Child Nutrition

Sear, R. and Townsend, C. (2023) ‘Dysgenic fertility’ is an ideological, not a scientific, concept. A Comment on: ‘Stability and change in male fertility patterns by cognitive ability across 32 birth cohorts’ (2023), by Bratsberg & Rogeberg. Biology Letters

Ross, C.T., Hooper, P.L., Smith, J.E.,…Sear, R.,….Borgerhoff Mulder, M. (2023) Reproductive equality in humans and other mammals. Proceedings of the National Academy of Sciences. 120 (22) e2220124120.

Schaffnit, S.B., Page, A.E., Lynch, R., Spake, L., Sear, R., Sosis, R., Shaver, J., Alam, N., Towner, M.C. & Shenk, M.K. (2023) The impact of market integration on arranged marriages in Matlab, Bangladesh. Evolutionary Human Sciences


Lynch, R., Schaffnit, S.B., Sear, R., Sosis, R., Shaver, J.H., Alam, N., Blumenfield, T., Mattison, S. and Shenk, M.K. (in press) Religiosity is associated with greater size, kin density, and geographic dispersal of women’s social networks in Bangladesh. Scientific Reports

Spake, L., Hassan, A., Sear, R., Shenk, M.K., Sosis, R., Shaver, J. (2022) Editorial: Disentangling the relationships between religion and fertility. Religion, Brain and Behavior  pdf

Sear, R., Prentice, A.M. & Wells, J.C.K. (2022) Nutritional status and adult mortality in a mid-20th century Gambian population: do different types of physical ‘capital’ have different associations with mortality? History of the Family pdf

Wells, J.C.K., Cole, T., Cortina-Borja, M., Sear, R., Leon, D.A., Marphatia, A.A., Murray, J., Wehrmeister, F.C., Oliveira, P.D., Gonçalves, H., Oliveira, I.O., Menezes, A.M.B. (2022) Life history trade-offs associated with exposure to low maternal capital are different in sons compared to daughters: evidence from a prospective Brazilian cohort. Frontiers in Public Health

Zevallos-Roberts, E., Cunningham, K., Adhikari, R., Thapa, B. & Sear, R. (2022) Beyond the mother-child dyad: is coresidence with a grandmother associated with adolescent girls’ family planning knowledge? PLoS One

Jaeggi, A.V., Martin, J.S., Floris, J., Bender, N., Häusler, M., Sear, R., Staub, K. (2022) Life history trade-offs in a historical population (1896-1939) undergoing rapid fertility decline: Costs of reproduction? Evolutionary Human Sciences

Thurstans, S., Opondo, C., Seal, A., Wells, J.C.K., Khara, T., Dolan, C., Briend, A., Myatt, M., Garenne, M., Mertens, A., Sear, R., Kerac, M. (2022) Understanding sex differences in childhood undernutrition: A narrative review Nutrients 14(5): 948

Walters, S. & Sear, R. (2022) Fertility and faith: the danger of a grand narrative. Religion, Brain & Behavior. pdf


Sear, R. (2021) Demography and the rise, apparent fall and resurgence in eugenics. Population Studies 75(Supl 1): 201-220.

Sigle, W., Reid, A. & Sear, R. (2021) 75 years of Population Studies: a diamond anniversary special issue. Population Studies 75(Supl 1): 1-5. pdf

Moya, C., Goodman, A., Koupil, I., Sear, R. (2021) Historical context changes pathways of parental influence on reproduction: an empirical test from 20th century Sweden. Social Sciences 10(7): 260 pdf Supplementary material

Brown, L.J. & Sear, R. (2021) How do reproduction, parenting and health cluster together? Exploring diverging destinies, life histories and weathering in two UK cohort studies. Advances in Life Course Research 50: 100431   OSF page with full text and supplementary material

Spake, L., Schaffnit, S.B., Sear, R., Shenk, M.K., Sosis, R., Shaver, J.H. (2021) Mother’s partnership status and allomothering networks in the United Kingdom and United States. Social Sciences 10(5): 182 pdf Supplementary material Survey

Sear, R. (2021) The male breadwinner nuclear family is not the ‘traditional’ human family, and promotion of this myth may have adverse consequences for health. Philosophical Transactions of the Royal Society, Series B 326: 20200020  pdf

Shenk, M.K., Morse, A.R., Mattison, S.M., Sear, R., Alam, N., Raqib, R., Kumar, A., Mim, F., Blumenfield, T., Shaver, J., Sosis, R., and Wander, K. (2021) Social support, nutrition, and health among women in rural Bangladesh: complex tradeoffs in alloparenting, kin proximity, and social network size. Philosophical Transactions of the Royal Society, Series B 326:20200027  pdf


Raybould, A. & Sear, R. Children of the (gender) revolution: a theoretical and empirical synthesis (2020) Population Studies 75(2): 169-190 OSF page with full text and supplementary material

Thurstans, S., Opondo, C., Seal, A., Wells, J.C., Khara, T., Dolan, C., Briend, A., Myatt, M., Garenne, M., Sear, R., & Kerac, M. (2020) Boys are more likely to be undernourished than girls: a systematic review and meta-analysis of sex differences in undernutrition BMJ Global Health 2020;5: e004030

Shennan, S. & Sear, R. (2020) Archaeology, demography and life history theory together can help us explain past and present population patterns. Philosophical Transactions of the Royal Society, Series B 376: 20190711  pdf

Sear, R. (2020) Do human life history strategies exist? Evolution and Human Behavior 41(6): 513-526 pdf

Sear, R. (2020) Strengthening the evolutionary social sciences with more data, less ‘theory-worship’ Evolution and Human Behavior 41(5): 462-463 pdf

Shaver, J.H., Power, E.A., Purzycki, B., Watts, J., Sear, R., Shenk, M.K., Sosis, R., Bulbulia, J.A. (2020) Church attendance and alloparenting: An analysis of fertility, social support, and child development among English mothers. Philosophical Transactions of the Royal Society, Series B 375: 20190428. doi/10.1098/rstb.2019.0428

Hazel, W, Black, R. Smock, R, Sear, R. Tompkins, J. (2020) An age-dependent ovulatory strategy explains the evolution of dizygotic twinning in humans. Nature Ecology and Evolution 4: 987–992  pdf


Hassan, A, Schaffnit, S.B., Sear, R., Urassa, M.,  Lawson, D.W. (2019) Fathers favour sons, mothers don’t discriminate: sex-biased parental care in north-west TanzaniaEvolutionary Human Sciences 1 e13

Brown, L.J. & Sear, R. (2019) Are mothers more likely to breastfeed in harsh environments? Physical environmental quality and breastfeeding in the Born in Bradford StudyMaternal and Child Nutrition 15(4): e12851 pdf Supplementary material

Hedges, S., Lawson, D.W., Todd, J., Urassa, M., Sear, R. (2019) Sharing the load: the influence of co-resident children on the intra-household allocation of work and schooling in north-western Tanzania. Demography 56: 1931–1956 pdf Supplementary material

Borgerhoff Mulder, M.; Towner, M.; Baldini, R.; Beheim, B.; Bowles, S.; Colleran, H.; Gurven, M.; Kramer, K.; Mattison, S.; Nolin, D.; Scelza, B.; Sear, R.; Shenk, M.; Voland, E.; Ziker, J. (2019) Differences between sons and daughters in the intergenerational transmission of wealth. Philosophical Transactions of the Royal Society, Series B 37420180076. pdf Supplementary material

Hedges, S., Sear, R., Todd, J., Urassa, M., Lawson, D.W. (2019) Earning their keep? Fostering, children’s education and work in north-western Tanzania. Demographic Research 41(10): 263-292

Wells, J.C.K., Cole, T., Cortina-Borja, M., Sear, R., Leon, D.A., Marphatia, A.A., Murray, J., Wehrmeister, F.C., Oliveira, P.D., Gonçalves, H., Oliveira, I.O., Menezes, A.M.B. (2019) Low maternal capital predicts life history trade-offs in daughters: why adverse outcomes cluster in individuals. Frontiers in Public Health 7:206

Stulp, G. & Sear, R. (2019) How might life history theory contribute to life course theory? Advances in Life Course Research 41: 100281 pdf

Sear, R., Sheppard, P., & Coall, D. (2019) Cross-cultural evidence does not support universal acceleration of puberty in father-absent householdsPhilosophical Transactions of the Royal Society of London, Series B, Biological Sciences 374: 20180124  OSF page with full text and supplementary material

Hruschka, D., Sear, R. & Hackman, J. (2019) Worldwide fertility declines do not rely on stopping at ideal family sizes. Population Studies 73(1): 1-17 pdf


Hedges, S., Sear, R., Todd, J., Urassa, M. & Lawson, D.W. (2018) Trade-offs in children’s time allocation: mixed support for embodied capital models of the demographic transition in Tanzania. Current Anthropology 59(5): 644-654  pdf  Supplementary material

Coall, D., Hilbrand, S., Sear, R. & Hertwig, R. (2018) Interdisciplinary perspectives on grandparental investment: a journey towards causality. Contemporary Social Science 13(2): 159-174 pdf


Sear, R. (2017) Family and fertility: does kin help influence women’s fertility and how does this vary worldwide? Population Horizons 14(1): 18-34 pdf

Brown, L.J. & Sear, R. (2017) Local environmental quality positively predicts breastfeeding in the UK’s Millennium Cohort Study. Evolution, Medicine & Public Health 2017(1): 120-135 pdf

Schaffnit, S.B. & Sear, R. (2017) Supportive families versus support from families: the decision to have a child in the Netherlands. Demographic Research 37(14): 414-454 pdf

Schaffnit, S.B. & Sear, R. (2017) Support for new mothers and fertility in the United Kingdom: not all support is equal in the decision to have a second child. Population Studies 71(3): 345-361  pdf

Wells, J.C.K., Nesse, R., Sear, R., Johnstone, R., Stearns, S. (2017) Evolutionary public health: introducing the concept. Lancet 390(10093): 500-509  pdf

Lawson, D.W., Núñez-de la Mora, A, Cooper, G.D., Prentice, A, Moore, S.E. & Sear, R. (2017) Marital status and sleeping arrangements predict salivary testosterone in rural Gambian men. Adaptive Human Behavior & Physiology 3(3): 221-240  pdf

Sear, R. & Schaffnit, S.B. (2017) It’s not just about the future: the present pay-offs to behaviour vary in degree and kind between the rich and the poor. Behavioural & Brain Sciences 40  pdf


Mattison, S., & Sear, R. (2016) Modernising evolutionary anthropology. Human Nature 27(4): 335-350. doi:10.1007/s12110-016-9270-y pdf

Stulp, G., Sear, R. & Barrett, L. (2016) The reproductive ecology of industrial societies, part I: why measuring fertility matters. Human Nature 27(4): 422-444 doi:10.1007/s12110-016-9269-4 pdf

Stulp, G., Sear, R., Mills, M., Schaffnit, S.B. & Barrett, L. (2016) The reproductive ecology of industrial societies, part II: on the association between wealth and fertility. Human Nature 27(4): 455-470 doi:10.1007/s12110-016-9272-9  pdf  Supplementary material

Virgo, S. & Sear, R. (2016) Area-level mortality and morbidity predict ‘abortion proportion’ in England and Wales. Evolution & Human Behaviour 37(5): 366-375  pdf

Sheppard, P., Pearce, M. & Sear, R. (2016) How does childhood socioeconomic hardship affect reproductive strategy? Pathways of development. American Journal of Human Biology 28(3): 356-363  pdf

Sheppard, P. & Sear, R. (2016) Do grandparents compete with or support their grandchildren? In Guatemala, paternal grandmothers may compete, and maternal grandmothers may cooperate. Royal Society Open Science 3: 160069  pdf

Sear, R., Lawson, D.W., Kaplan, H. & Shenk, M.K. (2016) Understanding variation in human fertility: what can we learn from evolutionary demography? Philosophical Transactions of the Royal Society of London, B 371: 20150144  pdf

Moya, C., Snopkowski, K. & Sear, R. (2016) What do men want? Re-examining whether men really can benefit from higher fertility than is optimal for women. Philosophical Transactions of the Royal Society of London, B 371: 20150149  pdf Supplementary material

Snopkowski, K. & Sear, R. (2016) Does grandparental help mediate the relationship between kin presence and fertility? Demographic Research. 34(17): 467-498  pdf

Sear, R. (2016) Beyond the nuclear family: an evolutionary perspective on parenting. Current Opinion in Psychology. 7: 98-103  pdf

Pepper, G., McAllister, L. & Sear, R. (2016) Why demography needs psychologists. The Psychologist. 29

Coall, D.A., Hilbrand, S., Sear, R. & Hertwig, R. (2016) The theory of grandfather involvement: Interdisciplinary perspectives. In: Grandfathers: International Perspectives. Editors Ann Buchanan and Anna Rotkirch. Palgrave Macmillan. Pp 21-44


Sheppard, P., Garcia, J.R. & Sear, R. (2015) Childhood family disruption and adult height: is there a mediating role of puberty? Evolution Medicine and Public Health. 1: 332-342 pdf

Sear, R. (2015) Evolutionary contributions to the study of human fertility. Population Studies 69: sup1, S39-S55  pdf

Snopkowski, K. & Sear, R. (2015) Grandparental help in Indonesia is directed preferentially towards needier descendants: a potential confounder when exploring grandparental influences on child health? Social Science & Medicine 128: 105-114  pdf  Supplementary material

Sear, R. (2015) Evolutionary demography: a Darwinian renaissance in demography. In: International Encyclopedia of the Social & Behavioral Sciences, 2nd edition. Editor-in-chief: James D. Wright. Oxford: Elsevier. Vol 8 Pp. 406–412. pdf

Sear, R. (2015) Sociobiology. In The International Encylcopedia of Human Sexuality. Edited by Patricia Whelehan and Anne Bolin. Malden, Oxford: John Wiley and Sons, Ltd. Pp 1333-1334.  pdf

Sear, R. (2015) Book review of ‘How We Do It: the Evolution and Future of Human Reproduction’ for Population Studies  pdf


Moya, C. & Sear, R. (2014) Intergenerational conflicts may help explain parental absence effects on reproductive timing: a model of age at first birth in humans. PeerJ 2:e512 pdf

Snopkowski, K., Moya, C. & Sear, R. (2014) A test of the intergenerational conflict model in Indonesia shows no evidence of earlier menopause in female-dispersing groups Proceedings of the Royal Society, Series B 281(1788): 20140580 pdf Supplementary material

Sheppard, P.J., Snopkowski, K. & Sear, R. (2014) Father absence and reproduction-related outcomes in Malaysia, a transitional fertility population. Human Nature 25(2): 213-234 pdf

Schaffnit, S.B. & Sear, R. (2014) Wealth modifies the effects of kin on women’s fertility in high-income countries. Behavioural Ecology 25(4): 834-842 pdf

Felisberti, F.M., & Sear, R. (2014) Postdoctoral researchers in the UK: a snapshot of factors affecting their research output. PLoS ONE 9(4): e93890

Sheppard, P.J., Schaffnit, S.B. Garcia, J.R. & Sear, R. (2014) Fostering relations: First sex and marital timings for children raised by kin and non-kin carers. Evolution and Human Behaviour 35(3): 161-168 pdf

Sheppard, P., Garcia, J. & Sear, R. (2014) A not-so-grim tale: how childhood family structure influences reproductive and risk-taking outcomes in a historical U.S. population. PLoS ONE 9(3): e89539 pdf


Nettle, D., Gibson, M.A., Lawson, D. & Sear, R. (2013) Human behavioural ecology: current research and future prospects. Behavioural Ecology 24(5): 1031-1040 pdf Supplementary material

Mathews, P. & Sear, R. (2013) Family and fertility: kin influence on the progression to a second birth in the British Household Panel Study.  PLoS ONE 8(3): e56941 pdf

Mathews, P. & Sear, R. (2013) Does the kin orientation of a British female’s social network influence her entry into motherhood? Demographic Research 28(11): 313-340 pdf

Snopkowski, K. & Sear, R. (2013) Kin influences on fertility in Thailand: effects and mechanisms. Evolution and Human Behavior 34(2): 130-138  pdf  Supplementary material

Nettle, D., Gibson, M.A., Lawson, D. & Sear, R. (2013) Response to commentaries: how much you need to engage with mechanism depends on what you are trying to do. Behavioural Ecology 24(5): 1046-1047 pdf


Sheppard, P.J. & Sear, R. (2012) Father absence predicts age at sexual maturity and reproductive timing in British men. Biology Letters 8(2): 237-240 pdf

Sear, R. (2012) Comment on ‘The Peacock’s Tale: Lessons from Evolution for Effective Signaling in  International Politics’ by Blumstein et al for Cliodynamics: the Journal of Theoretical and Mathematical History and the online Social Evolution Forum:


Sear, R. & Coall, D. (2011) How much does family matter? The implications of a cooperative breeding strategy for the demographic transition. Population and Development Review 37 (s1): 81-112 pdf

Brown, G., Dickins T., Sear, R. & Laland, K. (2011) Evolutionary accounts of human behavioural diversity. Philosophical Transactions of the Royal Society of London 366: 313-324 pdf

Sear, R. (2011) Parenting and families. In Evolutionary Psychology: A Critical Reader. Edited by V. Swami. Wiley-Blackwell. Pp 215-250  pdf


Gibson, M. & Sear, R. (2010) Does wealth increase sibling competition for education? Evidence from two African populations on the cusp of the fertility transition. Current Anthropology 51(5): 693-701  pdf

Fox, M., Sear, R., Beise, J., Voland, E., Ragsdale, G. & Knapp, L.A. (2010) Grandma plays favourites: X-chromosome relatedness and sex-specific childhood mortality. Proceedings of the Royal Society, Series B, Biological Sciences 277(1681): 567-573 pdf

Gurven, M., Borgerhoff Mulder, M., Bowles, S., Hooper, P.L., Kaplan, K., Quinlan, R., Sear, R., Schniter, E., von Rueden, C. Bell, A.& Hertz, T. (2010) Domestication alone does not lead to inequality: intergenerational wealth transmission among horticulturalists. Current Anthropology 51(1): 49-64  pdf

Sear, R. & Dickins, T.E. (2010) The generation game is the cooperation game: the role of grandparents in the timing of reproduction. Commentary in Behavioural and Brain Sciences 33(1): 34-35  pdf

Sear, R. (2010) We are family. Review of ‘Mothers and Others’ by Sarah Hrdy for Journal of Evolutionary Psychology 7(4): 355-357

Sear, R. (2010) Height and reproductive success: is bigger always better? In Homo Novus: A Human Without Illusions. Edited by Ulrich Frey, Charlotte Stoermer & Kai Willfuehr. Springer. Pp127-143  pdf


Borgerhoff Mulder, M., Bowles, S., Hertz, T., Bell, A., Beise, J., Clark, G., Fazzio, I., Gurven, M., Hill, K., Hooper, P.L., Irons, W., Kaplan, H., Leonetti, D., Low, B., Marlowe, F., Naidu, S., Nolin, D., Piraino, P., Quinlan, R., Sear, R., Shenk, M., Alden Smith, E. & Wiessner, P. (2009) Intergenerational wealth transmission and the dynamics of inequality in small-scale societies. Science 326(5953): 682-688  pdf

Sear, R. & Marlowe, F. (2009) How universal are human mate choices? Size doesn’t matter when Hadza foragers are choosing a mate. Biology Letters 5: 606-609 pdf

Sear, R., Allal, N. & Mace, R. (2009) Family matters: kin, demography and child health in a rural Gambian community. In Substitute Parents: Alloparenting in Human Societies. Edited by G.R. Bentley & R. Mace. Berghahn Books. Pp 50-76.  pdf


Sear, R. (2008) Kin and child survival in Malawi: are matrilineal kin always beneficial in a matrilineal society? Human Nature 19(3): 277-293 pdf

Mathews, P. & Sear, R. (2008) Life after death: an investigation into how mortality perceptions influence fertility preferences using evidence from an internet-based experiment. Journal of Evolutionary Psychology  6(3): 155-172 pdf

Sear, R. & Mace, R. (2008) Who keeps children alive? A review of the effects of kin on child survival. Evolution & Human Behavior 29(1): 1-18  pdf


Shanley, D.P., Sear, R., Mace, R. & Kirkwood, T.B.L. (2007) Testing evolutionary theories of menopause. Proceedings of the Royal Society of London Series B, Biological Sciences 274(1628): 2943-2949 pdf

Sear, R., Lawson, D. & Dickins, T. (2007) Synthesis in the human evolutionary behavioural sciences. Journal of Evolutionary Psychology 5(1): 3-28 pdf

Sear, R. (2007) The impact of reproduction on Gambian women: does controlling for phenotypic quality reveal costs of reproduction? American Journal of Physical Anthropology 132(4): 632-641  pdf

Dickins, T.E., Sear, R. & Wells, A.J. (2007) Mind the gap(s)….in theory, method and data: a response to Kanazawa (2006) British Journal of Health Psychology 12: 167-178  pdf


Sear, R. (2006) Size dependent reproductive success among Gambian men: does height or weight matter more? Social Biology 53(3-4): 172-188  pdf

Sear, R. (2006) Height and reproductive success: how a Gambian population compares to the West. Human Nature 17(4): 405-418 pdf

Mace, R., Allal, N., Sear, R. & Prentice, A. (2006) The uptake of modern contraception in a Gambian community: the diffusion of an innovation over 25 years. In: Social Information Transmission and Human Biology. Edited by J.C.K  Wells, S.S. Strickland and K. Laland. CRC Press. pp 191-205  pdf


Sear, R. (2005) Review of ‘Biology at Work: rethinking sexual inequality’ by Kingsley R Browne for Sexualities, Evolution and Gender 7(2): 189-193, 20  pdf

Mace, R. & Sear, R. (2005) Are humans cooperative breeders? In: Grandmotherhood – the Evolutionary Significance of the Second Half of Female Life. Edited by E. Voland, A. Chasiotis & W. Schiefenhoevel. Rutgers University Press, Piscataway. pp 143-159  pdf


Sear, R., Allal, N. & Mace, R. (2004) Height, marriage and reproductive success in Gambian women. Research in Economic Anthropology 23: 203-224  pdf

Allal, N., Sear, R., Prentice, A.M. & Mace, R. (2004) An evolutionary model of stature, age at first birth and reproductive success in Gambian women. Proceedings of the Royal Society of London Series B, Biological Sciences 271(1538): 465-470 pdf


Sear, R., Mace, R. & McGregor, I.A. (2003) The effects of kin on female fertility in rural Gambia. Evolution & Human Behavior 24(1): 25-42 pdf

Holden, C.J., Sear, R. & Mace, R. (2003) Matriliny as daughter-biased investment. Evolution & Human Behavior 24(2): 99-112   pdf

Sear, R., Mace, R. & McGregor, I.A. (2003) A life-history analysis of fertility rates in rural Gambia: evidence for trade-offs or phenotypic correlations? In: The Biodemography of Human Reproduction and Fertility. Edited by J. Rodgers & H-P. Kohler. Kluwer Press, Boston. pp 135-160  pdf


Sear, R., Steele, F., McGregor, I.A. & Mace, R. (2002) The effects of kin on child mortality in rural Gambia. Demography 39(1): 43-63 pdf


Sear, R., Mace, R., Shanley, D & McGregor, I.A. (2001) The fitness of twin mothers: evidence from rural Gambia. Journal of Evolutionary Biology 14(3): 433-443 pdf


Sear, R., Mace, R. & McGregor, I.A. (2000) Maternal grandmothers improve the nutritional status and survival of children in rural Gambia. Proceedings of the Royal Society of London, Series B 267(1453): 1641-1647 pdf


Mace, R. & Sear, R. (1997) Birth interval and the sex of children in a traditional African population: an evolutionary analysis. Journal of Biosocial Science 29(4): 499-507  pdf

Mace, R. & Sear, R. (1997) Reproductive decisions by pastoralists in the face of demographic risk. Nomadic Peoples (NS) 1(1): 151-163  pdf


Mace, R. & Sear, R. (1996) Maternal mortality in a Kenyan pastoralist population. International Journal of Gynecology and Obstetrics 54(2): 137-141  pdf