After more than ten years, there is again a large-scale household survey in Berlin and Brandenburg, as in the other federal states. Interviewers come to thousands of randomly selected households. The interviews for the 2022 census start on Monday.

How many Berliners and Brandenburgers are being surveyed? In Brandenburg, around 400,000 people are being surveyed as part of the personal survey, in Berlin there are around 300,000. Nationwide there are 10.3 million. Around 2000 so-called survey officers are responsible for the surveys in Berlin and around 3000 in Brandenburg.

What do the interviewers want to know? According to the Berlin-Brandenburg Statistical Office, the interviewers ask general questions about the person, such as age, gender and nationality, in a short conversation. In addition, the selected households receive online access data. Each household member has their own online questionnaire for more details, available in 14 languages. On request, the questionnaire will also be sent in paper form and can then be completed in writing.

What other information is requested? Apartment owners are invited by letter to take part in another online survey. In this building and housing census (GWZ), the Office for Statistics in Berlin surveyed around 300,000 and in Brandenburg around 650,000 property owners in writing. Participation is mandatory. How much time should be planned for answering the questions? According to the Berlin-Bralung Statistics Office, the interview lasts about five to ten minutes. It takes ten to 15 minutes to complete the online questionnaire. The apartment owners have to be prepared for around ten minutes per property.

When are the surveys scheduled? The interviews are scheduled to run from Monday, May 16 through August. According to the Office for Statistics, the results of the census are expected to be available from November 2023.

What is the purpose of collecting data? For example, it is about finding out how many people actually live in Berlin and Brandenburg. The data should enable a reliable planning basis for political and economic decisions. This applies, for example, to the question of where educational or care facilities are needed, where there is a lack of housing or how many people will soon be reaching retirement age.