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According to Wikipedia, the population/ethnic makeup of Israel is:
Jewish - 5,435,900 76.0%
Arab - 1,375,600 19.4%
Other - 302,400 - 4.6%
Among Jews, 68% were Sabras (Israeli-born), mostly second or third generation Israelis, and the rest are olim " 22% from Europe and the Americas, and 10% from Asia and Africa, including the Arab countries.[11]
Ashkenazim (about 38% of the national population): Jews whose ancestors came from Germany, France, and Eastern Europe. Most Ashkenazi Jews that settled in Israel were from Russia, Poland, Romania, Ukraine, Germany, Hungary, Czech Republic, North America, South America, South Africa and Australia.
Mizrahim and Sephardim (about 38% of the national population): Most Jewish immigrants to Israel from Iran, Iraq, Yemen, and Syria are considered Mizrahim, and the term has come to refer to Jews whose ancestors lived in Arab or Muslim lands, but did not live in Spain or Portugal.
The word Sephardi refers to Jews whose ancestors lived in Spain and Portugal until 1492, and sometimes until later, then spread to Greece, Italy, England, the Netherlands and elsewhere in Europe, as well as into the Ottoman Empire and in North Africa. Many Sephardi Jews that settled in Israel from Morocco, Algeria, Turkey and the whole Mediterranean area are descendants from migrants from Spain and Portugal. In modern Israeli Hebrew usage, this category is often included in Mizrahim.Those with origins in Muslim and Arab lands are commonly called Sephardim by their
Ashkenazi counterparts, though the majority does not descend from Iberian Jews and are best described as Mizrahi. The Jews of Iran and Iraqi Jews are always considered Mizrahi as well as the Yemenite and Omani Jews.
Italian Jews (about 1% of the national population):[citation needed] Jews whose ancestors lived mainly in central Italy. Due to its history and geographical position, Rome hosted the most ancient continuous Jewish community in Western Europe, dating back to the Roman Empire.
Indian Jews (about 1% of the national population): Jews from five distinct communities in India and also Burma, each with very different origins.
Beta Israel/Falash Mura of Ethiopia (about 2% of the national population): Jews who were initially brought to Israel during Operation Solomon and Operation Moses. Today at least 127,000 live in the country.
Note: the Greek are considered Romaniotes, and many of the Bulgarian and a portion of Latin American Jews are considered Sephardic. These groups claim distinct cultures and histories.
http://en.wikipedia.org/wiki/Demographics_of_Israel#Ethnic_groups