Swedish Twin Registry Core Facility

The Swedish Twin registry (STR) is an (inter)national resource and data from the registry can become available to academic and industry-based researchers. Founded in 1961, STR covers all same-sex twin births since 1886, and all twin births (same and opposite-sex) since 1926.

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STR - Birth Cohorts and Studies

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STR - Birth Cohorts and Studies

On this page you can find information about our studies and explore detailed information organized by cohorts.

STR data portal

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STR data portal

In the STR data portal you can search for metadata included in our cohorts and studies. You can also create and download your own variable list. The studies cover a variety of topics on public health issues such as allergies, cancer, dementia and cardiovascular disease.

STR - FAQ

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STR - FAQ

Find answers to frequently asked questions about searching and finding data, application processes, population registers, data sources, technical issues and more.

Projects based on twin data

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Projects based on twin data

At present, around 30 ongoing projects based on the Swedish Twin Registry cover a wide range of public health topics. These include ageing, dementia, asthma, mental health, cancer and cardiovascular diseases.

Publications based on twin data from STR

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Publications based on twin data from STR

Nearly 100 reports based on our twin studies are published each year in scientific journals. The following section highlights some of the latest research. The Swedish Twin Registry provides our researchers with unique opportunities to study the impact of genes and environment on the development of various diseases.

Swedish National infrastructures of Research Data

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Swedish National infrastructures of Research Data

In addition to the Swedish Twin Registry, the Swedish Research Council supports various other national research infrastructures that may be of interest.