Most countries do.
No African countries practice Buddhism as their main religion.
In some countries, such as the United States, the citizens have freedom of religion. They can practice any religion of their choosing or choose to not practice any religion at all. In other countries religious worship is mandated and restricted to a single religion. In some countries religious persecution involves killing people of minority religions.
Yes, but their are countries were only a minority of people still practice religion
There is no national religion on Antarctica, because there are no countries there. People who practice every religion on earth may, however, live and work there temporarily.
Judaism is practiced wherever Jews live. The only country where Judaism is the primary religion is Israel.
Yes, there are countries that officially recognize only one religion and restrict the practice of others. These countries may have a state religion, leading to limitations on the freedom to practice different faiths. Some examples include Saudi Arabia, where Islam is the official religion, and Vatican City, where Catholicism is the state religion.
Satanism as a religious practice is followed by individuals rather than countries. It is primarily an individualistic belief system, with followers around the world, particularly in Western countries. The Satanic Temple, for example, has chapters in various countries, but there is no country where Satanism is recognized as an official state religion.
They practice Islam religion.
There are immigrants from a variety of countries here and they have a variety of religions.
Presently most of the Jains are in India. They are in other countries too but in less numbers
The religion that does not practice circumcision is Jainism.
If you mean "how did it spread?" the answer would be by word. As religions originated, people began to travel to foreign countries. By this, they shared their religion and continued their practice.