The national register random sample is considered the royal road in empirical social research. infas is one of the few social research institutes that can draw nationwide population records for scientific surveys.
The national register random sample is based on a random sample based on local registration records. The data are then transferred to a lump sample. Resident registration checks have numerous advantages: Firstly, the data quality and data completeness can be classified as very high. On the other hand, data from non-participants is known so that non-response analyzes can be carried out.
For the implementation of a national register random sample, the communities involved have to be contacted, the data taken over and brought together. As one of only a few social research institutes in Germany, infas has the resources and experience to successfully apply for addresses at numerous offices and to create a total sample from the data.