What is the major religion practiced in each of the ten largest countries?

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).