Surveys, Sources eCensusHotline information
Do you need help with completing the online questionnaire?
Do you have any questions about the content of the survey on the structure of the resident population in Switzerland?
A hotline is available to answer these and other questions. You can reach us Monday to Friday from 8.00 a.m. to 9.00 p.m., and on Saturday and Sunday from 9.00 a.m. to 6.00 p.m. on freephone 0800 99 77 00. You can also contact us by e-mail at firstname.lastname@example.org.