There are two possible answers to the question about the oldest religion in the world.
Judaism founded in 2000 BC is considered the oldest religion.
The second oldest religion would be Hinduism founded also around 500-1000 BC. There are some that consider it the oldest religion as they say Hinduism does not have a founder.
Animism, which is not always considered a religion is also one of the oldest and primitives ones.
Older to Newest Religions
The oldest religion in the world timeline:
- Jainism (some don’t consider Jainism a religion, others think Jainism is the oldest one).