Israel is a Secular Country and, as a result, has no official religion. However, since Judaism is predominant religion professed by Israelis, Judaism has a pull on governmental affairs. This is no different than how the United States is a Secular Country with no official religion, but Christianity has a pull on government affairs since most Americans profess Christianity.
It is a common misconception that because Israel is the Jewish State that the official religion is Judaism. This is a misunderstanding of the term "Jewish" in Jewish State. In this case it refers to Jewish as an ethnic term, so Israel is the Jewish State in the same way that Turkey is the Turkish Republic, as opposed to the way that Iran is the Islamic Republic.
In terms of which religions have a presence in Israel, in descending order of population, there are communities of Jews, Muslims, Christians, Druze, Baha'i, and other minor faiths. Israel also has sizable minorities of Agnostics and Atheists.
The religion of Moses (now known as Judaism).
The religion of Moses (now known as Judaism).
1) Abraham founded what we now call Judaism. 2) God gave Jacob (Abraham's grandson) the honorific name of Israel (Genesis ch.35).3) God promised them the land of Israel.4) God later fulfilled that promise by having the Israelites take the land now called Israel (Joshua ch.1, 3 and 4).5) Therefore, the religion of the Israelites, which we now call Judaism, became the religion of the land they inhabited, the Land of Israel.
During the middle ages, in terms of population, Islam was the predominant religion in the lands that are now called Israel. There were always also a few Christians, and a continuous Jewish presence.
The area now called "the Holy Land"--Israel/Palestine.
As an official religion, it started in Rome.
The third religion in Israel is Christianity. It comes after Judaism and Islam religions.
Israel is 75% Jewish.
Judaism has been the native religion of Israel since 3800 years ago.
The religion that is known in modern times as "Judaism" began with the ethics and philosophy of the Biblical Abraham, after he had left his native land and migrated the the region known today as "Israel".
Judaism. Israel is 75% Jewish.
Judaism. Israel is 75% Jewish.