What is the oldest religion of the western world?

The oldest religion is Judaism.

Explanation:

Judaism is one of the ancient religions, born in the region of Judea have the Torah as a holy book. After Judaism, two other religions emerged from Judaism, Christianity, and Islam; together, they are the first three monotheistic religions that existed.

For the religion of Judaism, the oral tradition is essential; through this, the traditions are transmitted for generations to teach the knowledge of religion to each generation. The essential characteristic in the Jewish religion that was later transmitted to other religions such as Christianity is the faith they have towards an omnipotent, omniscient God.

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