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The Swedish Generations and Gender Survey 2021 (GGS2021) was the second GGS that Sweden carried out. It was a web-based survey with a paper-based option. Like the first GGS in Sweden (GGS2012) it was linked to register data that cover key dimensions of respondents’ life courses. The Swedish GGS2021 contains two new modules implemented to further research on the link between subjective perceptions and fertility. Both modules will be part of the second wave of the international GGS standard questionnaire. In this contribution, we first describe our motivation to carry out the SwedishGGS2021. We then present our two new modules and sketch their theoretical underpinnings. This is followed by a summary of the data collection process and an assessment of data quality. We conclude with some reflections on the implementation of new modules in future international GGSs and on our experience with register-linked surveys.
Neyer et al. (Fri,) studied this question.
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