Disparity research projects primarily utilize data in Norway from the population-based cohort study, surveys, and diverse official registries, such as the primary healthcare registry, medical birth registry, patient registry, and socio-economic and demographic registries. 

The population-based cohort study (Disparity-in-Well-being) is under preparation, and the piloting phase has started in 2022/23.

Specific data sources and a list of variables will be published in 2023.