Martin Kolk

Martin Kolk


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Arbetar vid Sociologiska institutionen
Besöksadress Universitetsvägen 10 B, plan 9
Rum B 879
Postadress Sociologiska institutionen, Demografiska avdelningen 106 91 Stockholm

Om mig


I am a researcher and Docent (Associate Professor) at SUDA (Stockholm University Demography Unit), CEK (Center for the study of Cultural Evolution), and IF (Institute for Future Studies), working on various aspects of intergenerational demography and cultural evolution. My main topic is the demography of kinship in contemporary and historical populations. Currently I use linked register and parish data with micro level data to examine demographic change from the mid 18th century until today. I am also working with researchers at the program for historical demography at Academica Sinicia in Taipei, Taiwan.

My research interests are often related to intergenerational demographic processes, but I have written papers on many areas of demography, including fertility, mortality, migration, same-sex demography, household composition and union formation. I am also interested in cultural evolution, and in particular relationship between cultural evolution and demographic parameters.

Recent studies include; kinship and stratifcation, long term consequences of intergenerational transmission of fertility, age differences in unions, cohort approaches to migration, and influences of family composition in childhood on various demographic outcomes. 

My Google Scholar page is available here and my CV can be found to the right.

Most of my publications are available for everyone to download using this link.


Recent Publications:


Barclay, Kieron and Martin Kolk (2018) “Parity and Mortality: An Examination of Different Explanatory Mechanisms Using Data on Biological and Adoptive Parents” European Journal of Population, Accepted for publication.

Barclay, Kieron and Martin Kolk (2018) “Birth Intervals and Health in Adulthood: A Comparison of Siblings using Swedish Register Data” Demography, Accepted for publication.

Kolk, Martin and Martin Hällsten (2017) “Demographic and educational success of lineages in northern Sweden” Population and Development Review, 43(3): 491–51

Barclay, Kieron and Martin Kolk (2017) “The long-term cognitive and socioeconomic consequences of birth intervals: a within-family sibling comparison using Swedish register data” Demography, 54(2): 459-484

Kolk, Martin (2017) “A life course analysis of geographical distance to siblings, parents and grandparents in Sweden” Population, Space and Place, 23(3): e2020

Baranowska-Rataj, Anna, Kieron Barclay and Martin Kolk (2017) ”The effect of the number of siblings on adult mortality: Evidence from Swedish registers” Population studies, 68(1): 111-129

Chudnovskaya, Margarita, & Kolk, Martin (2017) “Educational expansion and intergenerational proximity in Sweden” Population, Space and Place, 23(1): e1973

Barclay, Kieron, Katherine Keenan, Emily Grundy, Martin Kolk and Mikko Myrskylä (2016). “Reproductive history and post-reproductive mortality: A sibling comparison analysis using Swedish register data” Social Science & Medicine, 155: 82-92

Kolk, Martin and Sebastian Schnettler (2016) “Socioeconomic status and sex ratios at birth in Sweden. No evidence for a Trivers-Willard effect for a wide range of status indicators” American Journal of Human Biology28(1): 67-73

Andersson, Gunnar and Martin Kolk (2015) ”Trends in childbearing, marriage and divorce in Sweden: An update with data up to 2012” Finnish Yearbook of Population Research, 50: 21-30

Kolk, Martin (2015) “Age differences in unions: Continuity and divergence in Sweden between 1932 and 2007” European Journal of Population, 31(4): 365-382

Kolk, Martin (2015) “The causal effect of an additional sibling on completed fertility – An estimation of intergenerational fertility correlations by looking at siblings of twins” Demographic Research,  32: 1409-1420

Barclay, Kieron and Martin Kolk (2015) “Birth order and mortality: A population based cohort study” Demography, 52(2): 613-639



Recent working papers:


Kolk, Martin and Kieron Barclay (2017) “Cognitive ability and fertility amongst Swedish men. Evidence from 18 cohorts of military conscription” Stockholm Research Reports in Demography 2017:34.

Kridahl, Linda and Martin Kolk (2017) “Retirement coordination among married couples: An analysis using Swedish administrative registers from 1990–2012Stockholm Research Reports in Demography 2017:27.

Barclay, Kieron and Martin Kolk (2017) “Birth Intervals and Health in Adulthood: A Comparison of Siblings using Swedish Register Data” Stockholm Research Reports in Demography 2017:11.

Morosow, Kathrin and Martin Kolk (2016) “How does Birth Order and Number of Siblings Effect Fertility? A Within-Family Comparison using Swedish Register Data” Stockholm Research Reports in Demography 2016:7.

Kolk, Martin (2016) “Period and Cohort Measures of Migration” Stockholm Research Reports in Demography 2016:5.

Barclay, Kieron and Martin Kolk (2015) “Parity and Mortality: Evidence from Biological and Adoptive Parents” Stockholm Research Reports in Demography 2015:1.


Doctoral thesis:

Kolk, Martin (2014) Multigenerational processes in demography. Stockholm University: Stockholm.


Senast uppdaterad: 9 februari 2018

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