evidence: An estimated 17 million people were murdered by the German Nazi regime and their collaborators between 1933 and 1945, according to data published by the United States Holocaust Memorial Museum (USHMM). The estimates are based on the regime’s own reports as well as demographic studies of population loss during World War II. The latest estimate of the number of homosexual victims is based on research by German historian Alexander Zinn, who carried out extensive research on this group of victims.