An ethnic religion is fundamentally linked to a particular group of people, often sharing a common ancestry, culture, and geographic location. Unlike universalizing religions that actively seek converts worldwide, these belief systems typically do not proselytize. Membership is usually attained through birth or adoption into the cultural group. Judaism and Hinduism, in certain interpretations, can be considered examples of this type of religious expression, although both also have demonstrated universalizing tendencies at different points in their history.
The significance of these belief systems lies in their contribution to cultural identity and social cohesion. They often play a vital role in shaping the traditions, values, and social structures of a specific population. Historically, these religions have served as a repository of knowledge, transmitting cultural practices and moral codes across generations. Their localized nature can make them particularly vulnerable to globalization and cultural assimilation, making their preservation a crucial aspect of maintaining cultural diversity. They serve as a bulwark against the homogenizing effects of globalization by reinforcing local customs and traditions.