Largest religion in the world today

 

Which religion was the highest population in the world

2016

According to this source, the largest religion in the world in 2016 is Christianity with 31.4% of the world population. Applying this percentage to the current population (≈ 7350 million people), it can be inferred that there are approximately 2300 million Christians in the world.

The second most professed religion would be Islam with 23.2% of the population (1700 million).

The third place would be occupied by Hinduism with 15% (1100 million).

 

2015

These are the largest religions in the world in 2016

  1. Christianity 31,2%
  2. Islam 24,1%
  3. Hinduism 15,1%

 

2017

Even there is not an official study. Islam is growing and will be the largest religion in the future: 2018 and more.

 

World Population by religion

 

The following table is an original source of wikipedia with data from year 2012. It contains data from all the religions in the world and its adherents and percentage of total world population.

Religion Adherents Percentage
Christianity 2.3 billion[3] 31.2%
Islam 1.8 billion[4] 24.1%
Secular[a]/Nonreligious[b]/Agnostic/Atheist ≤1.2 billion 16%
Hinduism 1.1 billion 15.1%
Buddhism 0.5 billion 6.9%
Chinese traditional religion[c] 394 million 5.50%
Ethnic religions excluding some in separate categories 300 million 4.19%
African traditional religions 100 million 1.40%
Sikhism 30 million 0.32%
Spiritism 15 million 0.21%
Judaism 14 million 0.20%
Bahá’í 7.0 million 0.10%
Jainism 4.2 million 0.06%
Shinto 4.0 million 0.06%
Cao Dai 4.0 million 0.06%
Zoroastrianism 2.6 million 0.04%
Tenrikyo 2.0 million 0.02%
Neo-Paganism 1.0 million 0.01%
Unitarian Universalism 0.8 million 0.01%
Rastafari 0.6 million 0.01%
total 7167 million 100%