Most official followers: Christianity
Fastest Growing: Islam
Fastest for conversions: Buddhism/Hinduism
Most unofficial followers: Hinduism
Most talked about: Atheism
Islam
Christianity has the highest population in the world, with over 2.3 billion followers.
According to Islam-Yes. According to statistics-Also yes, it has the highest rate of CONVERTS compared to any other religion in the world, and is the fastest growing religion in the world.
Christianity, it is the highest percentage of religion in the world. The second most common is Islam/Muslim. My history teacher told us so a few days ago.
Its muslim! Sorry but no Christianity is still the largest religion in the world. Approximately 31.50% of world population.
Christianity
christianity
Islam
By far, the highest number of people are those falling out of religion. A lack of religion (atheism) is not a religion, but I believe it qualifies as the answer.
The Baha'i Faith
Judaism (75%).
Shang-Ti.