Structural Survey

The structural survey is a component of the Population Census and complements information obtained from registers with additional statistics on the structure of the population.  In this survey, part of the population fill in a written questionnaire. The first results are available one year after the reference day.

Population Census

The main characteristics

  • sample survey of at least 200,000 people;
  • covers persons aged 15 and over living in a private household;
  • can be answered by internet or by completing written questionnaire;
  • is conducted annually with reference day 31 December. The reference day coincides with the register survey. In this way, the dates of both surveys can be combined;
  • provides information on population, households, families, housing, employment, mobility, education, language and religion;
  • provides answers at the following geographical levels: Switzerland, major regions, cantons and communes with 15,000 inhabitants and more;
  • the results can aggregated over 3 and 5 years. This allows analyses to be made at a lower geographical level or in more detail on certain topics;
  • Cantons and cities can enlarge the sample.

Fact sheet


Further information

Data protection

Documentation on survey


Federal Statistical Office Section Population
Espace de l'Europe 10
CH-2010 Neuchâtel


+41 58 467 25 25

Monday to Friday
09.00–11.30 and 14.00–16.00

Structural survey

Buildings and Dwellings statistics (BDS)

Infobanner COVID-19

Pandemic and statistical data collection

The current pandemic is affecting the entire country. In this difficult context and in order to measure the consequences, the FSO must continue to produce reliable statistical information for both the authorities and the public. We thank you in advance for your assistance should we contact you.


Our English pages offer only a limited range of information on our statistical production. For our full range please consult our pages in French and German (top right hand screen).