German authorities and the Bundesländer (states) have been urged to strengthen the “Verhältnisprävention” (structural prevention) framework embedded within the Fourth Interstate Treaty on Gambling (GlüStV 2021).
The recommendation forms the principal conclusion of the Glücksspiel-Survey 2025, conducted by the Institute for Interdisciplinary Addiction and Drug Research (ISD) and the University of Bremen. The survey is published on a bi-annual basis, with research funded by Germany’s state lottery association, the Deutscher Lotto-und Totoblock (DLTB).
The third edition of the survey concludes that the Bundesländer and the federal gambling regulator, the Gemeinsame Glücksspielbehörde der Länder (GGL), should prioritise “structural prevention rather than relying primarily on individual r..