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Martin Kolk

Stockholm University, Sweden and the Institute for Future Studies, Sweden • Personal webpage • martin.kolk(at)sociology.su.se
Fertility and reproduction

Religion and fertility in Finland

April 22, 2024 Martin Kolk and Jan Saarela
Fertility, Finland, religion, Reproduction

The link between religion and fertility has long interested demographers. While relevant data with the necessary extent and detail are rarely available, Finland, is an exception, as information on religious … Read more

Families and households

How many relatives do the Swedish have?

November 20, 2023November 13, 2023 Martin Kolk
birth rate, Family, sweden

Little is known about the composition of kinship groups and family members outside the household, and how this evolves by age and over time. Martin Kolk and colleagues, exploiting exhaustive … Read more

Fertility and reproduction

Income and fertility – a positive relationship?

May 2, 2023March 27, 2023 Martin Kolk
Children, Europe, Fertility, sweden, wealth

In Sweden, a positive association is emerging between income and fertility, Martin Kolk observes. Men and women with higher income have more children than their less wealthy peers, and the … Read more

Families and households

Same-sex marriages in Sweden: 20 years of change

March 11, 2021March 16, 2020 Martin Kolk and Gunnar Andersson
Children, Divorces, Europe, Family, Gender issues, homosexual marriage, Marriage

Martin Kolk and Gunnar Andersson study the evolution of same-sex marriages, childbearing and divorce in Sweden. They highlight increases in childbearing and marriage of female couples in particular, and a … Read more

Gender issues

Gender equality and fertility: is there a connection?

March 10, 2021April 1, 2019 Martin Kolk
Europe, Fertility, gender equality, Gender issues

In the last decades, researchers have suggested that gender equality may have a positive effect on fertility in high-income countries. While this conjecture appears to be true cross-sectionally, it does … Read more

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