The current raw data supports the findings in the research paper "Why and How European Farmers Are Dedicated to Breeding the Dwarf Dahomey Cattle". It was generated from a survey of the breeding systems of the Dahomey cattle in European countries. An open-closed questionnaire were prepared on the “Google Form” online platform and submitted to the members of the Verband Europäisches Dahomey-Zwergrind and the “Verein Dahomey Schweiz” between Mai and October 2021.