This database is used for the documentation of the Swiss Sustainable Food System (SWISSfoodSys) model: version 1.0 (Djanibekov and von Ow, 2025). Each worksheet of the file is the data used for the parameter in the model. The database includes secondary data and data derived based on own assumptions. It includes data, and their units, description and sources. The elements depicted in the database are written in German, as SWISSfoodSys model is coded in German. Description, units and sources of the data are written in English