In terms of population, the ten largest countries (and the religions that have the highest number of devotees in them) are, in order: China (Taoism), India (Hinduism), United States (Christianity, mostly Protestant), Indonesia (Islam), Brazil (Roman Catholic), Pakistan (Islam), Bangladesh (Islam), Nigeria (Islam), Russia (Russian Orthodoxy), and Japan (Shintoism).
In order of area, the ten largest countries (and their most popular religions) are, in order: Russia (Russian Orthodoxy), Canada (Roman Catholicism), United States (Christianity, mostly Protestant), China (Taoism), Brazil (Roman Catholicism), Australia (Catholicism), India (Hinduism), Argentina (Roman Catholicism), Kazakhstan (Islam), and Sudan (Islam--Sunni).
The major religion in Sahel countries is Islam. Islam is practiced by the majority of people in countries such as Mali, Niger, Chad, and Sudan, among others.
Major religion in India is Hinduism, about 80% of the population are Hindu. Major Religion in Bangladesh is Islam, about 70% of the population are Muslims. And the Major Religion in Pakistan is Islam, about 97% of the population are Muslims.
The major religion practiced in the Northwest Territories is Christianity, with various denominations represented including Roman Catholic, Anglican, and Protestant. Traditional Indigenous spiritual practices are also followed by some residents.
Hinduism is the major religion in India today, with over 80% of the population identifying as Hindu. Islam is the second-largest religion in India, followed by Christianity, Sikhism, Buddhism, and Jainism.
The Church of Jesus Christ of Latter Day Saints is the largest religion in Idaho. Catholicism is number two.
The major religion in Sahel countries is Islam. Islam is practiced by the majority of people in countries such as Mali, Niger, Chad, and Sudan, among others.
England major practiced religion is Protestantism.
A major religion practiced in Andorra is Roman Catholicism.
Major religion in India is Hinduism, about 80% of the population are Hindu. Major Religion in Bangladesh is Islam, about 70% of the population are Muslims. And the Major Religion in Pakistan is Islam, about 97% of the population are Muslims.
Brazil does not have an official national religion. The major religion practiced in Brazil is Christianity, which is the religion claimed by 91 percent of the population. The largest denomination is Roman Catholic with 122 million adherents.
Christianity.
Islam is the major religion in Indonesia
Shinto
They practiced a religion called Big Meech Larry hooverism. Ricky Ross was the King
Scientology is in a small minority in all countries where it is found. There are no reliable statistics, but the country with the largest number of Scientologists would be the United States.
Catholicism is the largest denomination within Christianity. Christianity itself is the largest religion in the entire world, hence Catholicism is a major world religion.
It is unclear what "practiced most" means. If the question is asking which countries have the largest numbers of Muslims, those would be: Indonesia, India, Pakistan, and Bangladesh. If the question is asking which countries have the highest percentages of Muslims in their populations, there are numerous countries with more than 99% Muslim populations such as Mauritania, Maldives, Western Sahara, Somalia, and Turkey.