In the 2011 Polish census, 7,353 Polish citizens declared their nationality as "Jewish," a big increase from just 1,055 during the previous 2002 census.[301] There are likely more people of Jewish ancestry living in Poland but who do not actively identify as Jewish. According to the Moses Schorr Centre, there are 100,000 Jews living in Poland who don't actively practice Judaism and do not list "Jewish" as their nationality.[302] The Jewish Renewal in Poland organization estimates that there are 200,000 "potential Jews" in Poland.[303] The American Jewish Joint Distribution Committee and Jewish Agency for Israel estimate that there are between 25,000 and 100,000 Jews living in Poland,[304] a similar number to that estimated by Jonathan Ornstein, head of the Jewish Community Center in Kraków (between 20,000 and 100,000).[305]
https://en.wikipedia.org/wiki/History_of_the_Jews_in_Poland#Numbers_of_Jews_in_Poland_since_1920