Religion has shaped civilizations, calendars, architecture, laws, art, literature, rituals, and ideas about life and death for thousands of years. Yet there is no single feature shared by every religion. Some traditions center on gods, others do not, and religious life can involve belief, practice, community, identity, ethics, sacred stories, or combinations of these.
Because religions differ so widely, scholars use the term broadly rather than relying on one universal definition. What counts as religion can also depend on historical, cultural, legal, and academic context.
Definition
Religion is a broad term for organized or culturally established systems of beliefs, practices, values, rituals, traditions, institutions, and communities concerned with questions that may include the sacred, ultimate reality, spiritual beings, morality, human existence, suffering, death, and the meaning of life.
A religion may include scriptures, oral traditions, ceremonies, ethical teachings, sacred places, religious specialists, festivals, prayer, meditation, pilgrimage, worship, or other practices. Not every religion contains all of these elements.
Why It Matters
Religion has influenced societies throughout recorded history. Religious ideas have contributed to philosophy, education, government, architecture, music, visual art, literature, charitable institutions, social customs, and systems of ethics.
Religion can also provide individuals and communities with identity, belonging, rituals marking important stages of life, explanations about existence, and frameworks for understanding moral or spiritual questions.
What Makes Something a Religion?
There is no universally accepted checklist. Scholars have proposed definitions based on belief in supernatural beings, relationships with the sacred, ritual behavior, community, institutions, or systems of meaning, but each approach can exclude traditions commonly recognized as religions.
For this reason, religion is often studied through several characteristics rather than one required feature. A tradition may place greater emphasis on ritual than doctrine, for example, or on ethical and contemplative practice rather than worship of a deity.
Belief and Practice
Religious belief can concern gods, spirits, ancestors, creation, morality, salvation, liberation, rebirth, an afterlife, or the nature of reality. The importance of particular beliefs differs greatly among traditions.
Practice can be equally important. Prayer, meditation, fasting, offerings, worship, chanting, pilgrimage, festivals, dietary customs, acts of charity, and rites of passage are examples of practices found within different religious communities.
Sacred Texts and Oral Traditions
Many religions preserve teachings through sacred texts. These writings may contain narratives, laws, prayers, poetry, philosophy, historical traditions, ethical teachings, or instructions for religious practice.
Written scripture is not universal. Religious knowledge can also be transmitted orally through stories, songs, ceremonies, teachings, performances, and traditions passed between generations.
Religious Communities
Religion can be practiced individually, but it frequently creates communities connected by shared traditions and institutions. Places of worship, monasteries, temples, churches, mosques, shrines, schools, and pilgrimage sites can become centers of religious and social life.
Religious communities are rarely completely uniform. Different denominations, schools, movements, interpretations, and local traditions can develop within the same broader religion.
Major Religions of the World
The world contains thousands of religious traditions, ranging from religions practiced across many countries to Indigenous and local traditions closely connected with particular communities and places.
Some of the world's largest and most historically influential religious traditions include Christianity, Islam, Hinduism, Buddhism, Judaism, Sikhism, and several major East Asian religious traditions. Indigenous religions and traditional belief systems also remain important across Africa, Asia, the Americas, Oceania, and other regions.
Monotheism and Polytheism
Monotheism generally refers to belief in one God. Judaism, Christianity, and Islam are prominent examples of religions commonly described as monotheistic.
Polytheism generally refers to belief in multiple gods or divine beings. These terms can be useful for comparison, but they do not adequately describe every religion because concepts of divinity can be considerably more complex.
Religion Without a Creator God
Religion does not necessarily require belief in a creator deity. Some religious traditions focus more strongly on liberation, ethical conduct, spiritual practice, cosmic principles, ancestors, or the nature of existence.
Buddhism is an important example. Buddhist traditions contain extensive religious teachings, institutions, rituals, scriptures, monastic communities, and devotional practices without making belief in a single creator God the foundation of the religion.
Religion and Culture
Religion and culture frequently influence one another. Religious festivals can become national celebrations, sacred architecture can become part of a country's cultural heritage, and religious customs may influence food, clothing, music, art, family traditions, and everyday language.
The relationship is not always simple. People may participate in traditions for cultural or family reasons without holding the same religious beliefs as other participants.
Religion and Philosophy
Religion and philosophy can address some of the same questions, including morality, knowledge, suffering, reality, human purpose, and how people should live. Religious traditions themselves can also contain extensive philosophical systems.
The terms are not interchangeable. Religion commonly includes practices, communities, rituals, sacred traditions, and institutions in addition to philosophical ideas.
Religious Diversity
Countries can contain numerous religions, denominations, schools, and local traditions. Even people who identify with the same religion may interpret teachings differently or practice their faith in different ways.
Religious identity can also intersect with language, ethnicity, nationality, family history, geography, and culture, making broad generalizations about the beliefs or behavior of individual followers unreliable.
Freedom of Religion
Freedom of religion or belief is recognized as a human right in international human rights law. It includes freedom to have, adopt, change, or manifest a religion or belief, subject to particular limitations established under applicable law and human rights standards.
This principle also protects people who do not follow a religion. Religious freedom therefore concerns freedom of belief and conscience rather than requiring religious participation.
Where You'll Encounter Religion
Religion appears throughout history, anthropology, sociology, philosophy, politics, law, art, architecture, literature, archaeology, travel, and cultural studies. Understanding religious traditions can provide important context for interpreting places, historical events, artworks, customs, and communities.
It is particularly important to distinguish between what a religious tradition teaches, how institutions interpret those teachings, and what individual followers actually believe or practice.
Common Misconceptions
Every Religion Believes in a God
No. Religious traditions differ considerably in their concepts of gods, spiritual beings, ultimate reality, and the sacred.
Everyone Within a Religion Believes Exactly the Same Things
No. Religions can contain denominations, schools, movements, regional traditions, and individual interpretations.
Religion Is Only About Belief
No. Rituals, ethics, community, identity, institutions, traditions, meditation, worship, and other practices can be equally important.
Religion and Culture Are the Same Thing
No. They can strongly influence one another, but cultural participation does not necessarily indicate religious belief or practice.
Frequently Asked Questions
What is religion?
Religion is a broad category describing systems of beliefs, practices, traditions, values, institutions, and communities concerned with questions that may include the sacred, spiritual life, morality, existence, and ultimate reality.
How many religions are there?
There is no universally accepted number because traditions can be classified as separate religions, denominations, schools, movements, or Indigenous belief systems in different ways.
What are the major world religions?
Major traditions commonly discussed in global religious studies include Christianity, Islam, Hinduism, Buddhism, Judaism, and Sikhism, alongside numerous East Asian, Indigenous, traditional, and other religions.
Does religion require belief in God?
No. Some religions do not center their teachings on belief in a creator God.
Can someone have no religion?
Yes. People may identify as atheist, agnostic, nonreligious, secular, or use other descriptions for their beliefs and relationship with religion.
Why is religion important?
Religion has influenced civilizations, communities, ethics, art, architecture, philosophy, law, customs, identity, and individual understandings of life for thousands of years.