Mr Cohen has shown that intermarried couples are statistically less likely to bring up their children as Jews.

ECONOMIST: Judaism in the diaspora: A buffet to suit all tastes | The

In fact, only 15-20% of intermarried families ever join a synagogue.

ECONOMIST: Judaism in the diaspora: A buffet to suit all tastes | The

The National Jewish Population Survey 2000-01, commissioned by the Jewish Federations of North America, the main umbrella organisation for the community, found that 43% of Jews who had no Jewish education intermarried.

ECONOMIST: Judaism in the diaspora: A buffet to suit all tastes | The