**Information about the study** *Type of study:* Longitudinal panel design with three measurement points <br> *Sample size:* 583 participants who completed all three waves<br> *Field period:* May 2014 to June 2015<br> *Data:* Trepte, Sabine (2020). The Privacy Longitudinal Study. https://doi.org/10.7802/2117 <br><br> The authors confirm that there is sufficient information for an independent researcher to reproduce all of the reported methodology. By signing below, authors affirm that the above information is accurate and complete, that any third-party material has been reproduced or otherwise made available only with the permission of the original author or copyright holder, and that publicly posted data do not contain information that would allow individuals to be identified without consent. Included on this Open Science Framework page are the measures used for our manuscript. Using the measures and manuscript, others could recreate the methods from the manuscript. If someone wanted to reproduce the study, this Open Science Framework page contains the materials to be able to do so. In the manuscript there is a URL directing readers to this page if they would like to do either of the above. Sabine Trepte, Philipp K. Masur, Michael Scharkow **Information to reproduce the reported methodology** The file "Original survey items (German and English)" includes all item and scales used in the study. The same paper-and-pencil questionnaire including these items was administered three times (six-months intervals) to the same panel of participants (representative for the German population).