Islam.
Christianity has the highest population in the world, with over 2.3 billion followers.
Christianity is the largest religion in terms of global population, with over 2.3 billion adherents worldwide. Islam is the second largest religion, with approximately 1.9 billion followers.
india
Pakistan (174 millions Muslims population) is the second to Indonesia (203 millions Muslims population) in having the highest Muslims population.
The world's second largest religion is Islam. Followers of Islam make up 22.74 percent of the world population. The world's largest religion is Christianity.
The world's second largest religion is Islam. It has over 1.9 billion followers worldwide.
Muslims comprise of about 23% of the World's population, making it the second largest religion after Christianity.
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.
world population as per religion
Brazil has the second highest number of Christians in the world. France has the second highest percentage of Christians in the world. --source: Adherents.com
The largest religion in the world is Christianity, followed by Islam, Hinduism, and Buddhism. Christianity has the most followers globally, with over 2 billion adherents, while Islam is the second largest with over 1.9 billion followers.
The second-highest mountain in the world is K2 with a height of 8,611 meters.