10 Largest Religions in the World

Religion has a great impact on every individual’s life. It is the system of a belief, a faith, or worship. It plays a crucial role in the social, economic, and political fields of human life. Throughout history, religion has been a crucial segment of society. Now, as the world is more populous than ever, accordingly, religions have become more diverse also.

This is the beauty of this globalized world that lies in the diverse culture and religion but all are living together. Vividly, this globalized World is professional linguists, multi-religious, and multi-ethnic. Apart from that, sometimes the same religion follows different cultures.

For that reason, it is also important to interpret and translate the authentic teachings of the different religions for the people for the sake of humanity. Different religions are observed in different parts of the world. Due to that difference, the religious profile is continuously changing based on the youth population, the fertility rates, and the switching of faiths.

Most Popular Religion in the World

Out of all the religions which are performed in the world by the people, the offshoot of the Abrahamic religion which is Christianity is the most popular religion in this world. It can be known from the fact that Christianity is followed by around 2.38 billion people around the world. The majority of Christian lie in the United States of America followed by Mexico, Brazil, and Russia.

Fastest-growing Religion in the World

Ranked as the second-largest religion, Islam is being followed by almost around 1.91 billion people, it is growing rapidly day by day. The population of the world is projected to increase to 9.3 billion around 2037 according to the Worldmeter.

In addition to this, Muslims have a high ratio of youth, and ultimately with high fertility rates, their population is anticipated to increase by 73%. So, according to Pew Research, Islam is the fastest-growing religion in the world due to its high growth. Resultantly, there will be an increase in the Muslim population.

The Biggest Religion in the World

Christianity is the World’s most practised and biggest in the world. It has followers of almost 2.38 billion around the globe which includes areas from Europe to Africa, Asia to Oceania, and North America to South America.

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These followers do not go to attend the church’s prayers regularly, but they call themselves Christian. Likewise, the same trend happens with every religion.

What will be the Largest Religion in 2050?

Based on the current population of Christianity, it is predicted to increase at about the same rate. The Christian population is expected to remain dominated in North America, South America, Europe, and also in the Asia-pacific region. So, by around the year 2050, Christianity will be the largest religion.

World Population by Religion

Biggest Religion in the World

According to the Worldmeter, the world population is estimated at 7.9 billion. Below is the description of the World population by religion:

10 Largest Religions in the Worl

ReligionTotal Population
Christianity2.38 billion
Islam1.91 billion
Hinduism1.61 billion
Buddhism507 million
Shintoism104 million
Sikhism30 million
Judaism15 million
Taoism12 million
Korean shamanism10 million
Confucianism6 million 


Christianity is the largest religion in the world. It is practised by around 2.38 billion people all around the globe. Its faith is based on the life and teachings of Jesus Christ. Christians believe in the existence of one God who has sent his Son, Jesus Christ, to save humanity.

Although they believe in one God, yet three offshoots are being observed in the name of God. For instance, the Godfather, the God Son, and the Holy Spirit. Their place of worship is called Churches. Priests are known as their spiritual leaders.

The Bible is the holy book of Christianity. Catholicism, Protestantism, and Orthodox are the three main branches of Christianity belief.

It is mainly practised in

  • North America
  • South America, and
  • Europe


Islam is the second-largest and fastest-growing religion in the world. It is practised by 1.9 billion people and they are called Muslims. Muslims believe in one God and the finality of prophethood (PBUH). Muslims also follow the holy book of Islam which is known as the Quran.

Quran was sent upon its leader Hazrat Muhammad (PBUH). It is also one of the Abrahamic religions and has many similarities with Judaism and Christianity. Also, two main branches are being strictly observed among the Muslims i.e., Sunni Muslims and Shia Muslims.

Islam is mainly practised in

  • Pakistan
  • Indonesia
  • the kingdom of Saudi Arabia, and
  • Qatar, etc.
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The third-largest religion of the word is Hinduism which is mainly practised in India. It is followed by 1.61 billion people and its followers are known as Hindus. Hinduism follows many gods due to this reason Hinduism is also known as a polytheistic.

They burn their dead ones after their death. They also believe in the aftermath of life that consists of heaven or hell. Their place of worship is known as a temple.

It is mainly practised in

  • India
  • Nepal, and
  • Mauritius


Buddhism originated in India and is based on the teachings of the buddha. Around 507 million people practice Buddhism all over the globe. For instance, about 244 million Buddhist people belong to china. Apart from that, Cambodia has the highest percentage of Buddhist population at 96.9%.

The two main branches of Buddhism are Theravada Buddhism and Mahayana Buddhism. The important aspect of the Buddhist belief system embraces ethics, nonviolence, and purity.


It is practised mainly in Japan. The word Shinto means “way of the gods” and followers of Shintoism believe in the existence of many gods. 80% of Japan’s people are believers in Shintoism. In Shintoism, followers’ devotion to invisible spiritual beings is known as Kami.

Kami are spirits not gods and are only concerned with human beings. They believe that if they treat them properly, these spirits will bring enormous benefits such as success, health, prosperity, etc. One of the exclusive aspects of the Shintoism faith is that a follower doesn’t have to declare its faith publicly.


In the world of religions, Sikhism is a comparatively new faith. It was initiated in India and is founded on the teachings of Guru Nanak and his Ten is a monotheistic religion and its teachings lay stress on carrying good deeds via keeping God in mind and heart every time.

It has around 30 million followers and now mainly inhabits the Punjab region. Sikhism followers are regarded as Sikhs and are often recognized by their turbans. Their place of worship is known as Gurdwara.


It is the oldest monotheistic religion. Over 3500 years ago, Judaism was initiated in the Middle East region. Its beginnings go back to around the 8th century BC. It has a great history of religious text but Torah is the main and major religious document.

Their laws and their interpretation which exist in Torah are called Halakhah. Judaism is the oldest Abrahamic religion and is mainly observed in Israel. Their followers believe in one God. In Judaism, orthodox, conservative, and reform are the three observed branches.

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Holocaust has referred with jews wen 6 million jews people were killed under the force of German’s Nazism.


Around 2000 years ago in China, a religion was established known as Daoism. Today, Taoism has almost 12 million followers. Laozi is the founder of Taoism. The book Daodejing, which is a basic tenet and text of this religion, is thought to have been written by him.

Fasting and veganism are encouraged in this faith. This is because of physical and psychological health. The follower of this faith is known to believe in the occult and the metaphysical.

Korean shamanism

Muism or Korean shamanism is a belief closely linked with traditional Korean history and culture. Beliefs of this religion have a vital role in shaping the Korean Civilization. Recently, Muism has experienced a rebirth in South Korea, and even in the totalitarian regime of North Korea, 16% of the population follows this belief system.


Around 6 million people follow the Confucianism teachings. The central hub of this faith in China. Confucianism teachings are based on Confucius who is regarded by many as one of the utmost humans to ever exist.

Mainly, 5 virtues present with Confucianism are

  • Goodwill
  • Rightness
  • Right conduct
  • Wisdom, and
  • Fidelity


By scrutinizing the above discussion into consideration, it can be said that Christianity is the largest religion and Islam is the fastest-growing religion in the world. Religion is the most important aspect of any individual life.

For that reason, everyone needs to respect each other’s religious customs and duties. In this perspective, one needs to learn different religious cultures in one’s local language. So, there must be an authentic localization platform and vigilant translators to perform this important duty.

This should be done for the sake of humanity because the history of man is full of bloodshed and religious wars just in the course of misinterpretation.

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