From the Jewish World Almanac’

Jewish world population 1933: 15,315,859

Jewish world population 1938: 15,748,091

Jewish world population 1948: 15,753,638

Jewish population in Germany 1938: 210,000

According to various Jewish sources, the Jewish world population of 2015, was still just under 16,000,000 – due to ethnic fertility and reluctance to assimilate.