It depends which religion you mean.
Most countries do.
Voodoo is most popular in Haiti but has found its way to America in limited practice and other countries.
Indonesia
As usual in Latin American countries, Catholicism is the most popular religion.
The majority religion in most Latin countries is Roman Catholicism
There is no specific religion for most countries. Egypt has mostly muslims and christians
Pakistan
Buddhism
Buddhism is a major religion found mainly in China and surrounding countries such as Japan, Korea, Vietnam, and Taiwan. It has a significant presence in these regions and has influenced their cultures and traditions for centuries.
India
Most of the africans are Muslims as well as christians! The northern and western countries of Africa are mostly Muslim. The southern countries of Africa are mostly Christian. The third most popular religion in Africa is Baha'i
You'll find that it is large in most, if not all Western Countries