They are not considered Jews by most of the Jewish world.

Geltungsjude was the term for persons that were considered Jews by the first supplementary decree to the Nuremberg Laws from November 14, 1935.

The Abayudaya follow Jewish practices and consider themselves Jews despite the absence of Israelite ancestry.

These numbers include all those who consider themselves Jews, whether or not they are affiliated with a Jewish organization.

The Fröhlichs did not consider themselves Jews until Hitler came to power in 1933 and his anti-Semitic scourges began.

Although a few still consider themselves Jews, the Dönmeh are not officially recognized as such by Jewish authorities.

Several small, Messianic Jewish sects, however, do believe in Jesus as Christ while their followers consider themselves Jews.

These B'nei Anusim must first "revert" back to Judaism to be considered Jews.

In contrast to these, Islam considers Jews and Christians as fellow believers.

They are not considered Jews in Israel.