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The study compared marital stability in Finland with focus on the two language groups. The divorce rate was remarkably lower among the Swedish-speaking minority than among the Finnish-speaking majority. An explanation for this may be differences in social integration. The assumption about the effect of social integration was also supported by covariates measuring urbanization and individual migration. A hypothesis that marital homogamy reduces the divorce rate found support only with respect to the language of the spouses but not with respect to level of education or age.

Utilizing longitudinal population register data from Finland, this study examines the influence of exogamy on transitions within and from first unions. The aim is to assess how ethnolinguistically mixed unions, consisting of Swedish speakers and Finnish speakers, differ from endogamous unions with respect to various transitions in the family formation process subsequent to entry into childless cohabitation. We find evidence of notable selection. The proportion of endogamous relationships increases during the course of the courtship process, and this selection is primarily driven by a higher separation risk of ethno-linguistically mixed unions. The stages in family formation consequently seem to work as a social filter, where the exogamy effect on the dissolution risk is particularly strong for couples who have come a long way in the process.

There are marked differentials in mortality risks across regions in Finland. No exhaustive explanation to this variation has been provided, however. The aim of this paper is to analyse how geographic ancestry, as proxied by persons' birth region and population group, interrelates with cause-specific mortality risks. Focusing on people aged between their mid-thirties and late-forties, we use longitudinal population register data that offer opportunities to account for variables that represent both persons' social background and their own social status at young adult age. Results of Cox proportional hazard models say that these variables have substantial effects on mortality of different causes, but only a marginal impact on the variation in death rates by birth region and population group. The geographic mortality pattern is found to be specifically prominent for causes of death that are fairly unrelated to persons' lifestyles. Our findings suggest that genetic predisposal as expressed in terms of geographic ancestry might play a relevant role in understanding mortality variation within the population of Finland.

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