South Korea, it's about equal between Christianity (29%) and Buddhism (23%), with most people identifying as agnostic or atheist. North Korea is officially atheist, but it was mainly Buddhist before the revolution.
The main religon in Russia is orthodoxy. but a small amound (around 5%) are Muslim.
The main religon in Canada is Catholic and Protestant which are both branches of the Christian religon.
Christianity
catholic
Christian.
cristianity
Judism
Islam
Christian
Lamaism.
buddhism
India's main religion is Hinduism.