How many Jews are there world wide?
13.2 million

According to the report in the year 2007 of the Jewish People Policy Planning Institute, the world population of Jews is 13.2 million. Adherents.com cites figures ranging from 12 to 18 million Jews. These statistics includes both practicing Jews associated with synagogues and the Jewish society, and approximately 4.5 million unaffiliated and secular Jews.