Confidentiality and data protection are the counterparts of the obligation for response and the cornerstone for confidence building between the national statistical services and the respondents. On this common principle the various national statistical systems among the 15 (and other) European states have been established.
There is great concern at national and international level on statistical confidentiality. The respect of privacy has led national authorities to develop ad-hoc legislation which, inter alia, prevents national statistical institutes transmitting confidential data to Eurostat.
CitacióNanopoulos, Photis. "Confidentiality in the European statistical system". Qüestiió. 1997, vol.21, núm.1-2