61% of American Jews are NOT Synagogue Members.

Synagogue StPersburgInt public domain

Reform & Conservative movements each lost about 40,000 members over the last decade.
Many modern Jewish families are not finding meaning within local synagogue walls. The good news is participation in Jewish traditions remains quite strong. According to a PEW survey; Seven in ten Jew say they participated in a Seder last Passover and over half of Jews say they fasted for all or part of Yom Kipper.