Jewish people follow God, not Jesus.
Jewish/Jew Catholicism is the religion not the term for people who follow it. Catholics follow Catholicism. Like Christians follow Christianity. Jews follow Judaism.
follow the teachings of the tanach.
No, however not all Jews follow the Jewish dietary laws.
Jewish refers to the people who follow the religion of Judaism. There's no such thing as "Jewish talk". If you want to know what languages are associated with the Jewish people, they are: Hebrew, Yiddish, Ladino, and Aramaic.
People of the Jewish faith.
Jewish people follow Judaism!
Jewish people worship in a synagogue, the real Jewish people follow the Torah-the Old Testament is from that.
about 1 percent of the world.
See the attached Related Link.
No Jesus did not convert. The Old Testament tells us of a new covenant that God was giving to the Jewish people in "time to come". When Jesus (the Son of God) came to earth in human form that "time had come" Jesus simply instituted the new covenant. It was the Jewish people who failed to recognize the Messiah and follow Him into the new covenant.
Tradition holds that Abraham is the father of the Jewish people. He came from Ur-Kasdim, in Western Asia.