The French national homelessness survey of 2012

In 2012, the French National Institute of Statistics (INSEE) and the French National Institute of Demography (INED) conducted a national survey on homeless people. The previous one was carried out in 2001: it was the first national homelessness survey in Europe.
The 2012 survey shows some differences compared to the 2001 survey which the presentation will comment on. Indeed, we wanted to approach a larger number of unsheltered homeless. A survey conducted in 2009 in the town of Toulouse showed that other services could be included in the scope of the survey. In addition, we have oversampled services which offered meals. Moreover, we wished to have some information about non French speaking people. Then, we have created a self-administered questionnaire : it existed in 15 languages including French.
The survey sampling is an example of time-location sampling. The survey was carried out with an indirect sampling method: the three degrees of the sampling method, the protocol used to conduct this survey, the weighing method, and their limits will be given.
The first results will be published in France, on March 2013, so the presentation will also describe these results.