Christianity is the predominant religion of Europe.
It is also the predominant religion in the Americas as well as Australia & New Zealand, because it was Europeans who discovered these other continents first. Lastly, Africa is also quickly gaining Christian adherents.
Asia, America, South America
Christianity and Judaism is practiced mostly in the western world and Islam is mostly practiced in 3rd World Countries
Christianity today is practiced all over the world, though in many countries it is practiced in secret because it is forbidden by the government.
Christianity is practiced most today in the Americas, particularly in the United States and Brazil, as well as in Europe, with countries like Russia, Germany, and Italy having significant Christian populations. Additionally, countries in Africa such as Nigeria and the Philippines in Asia also have large Christian populations.
The specific type of Christianity practiced by the eastern half of the Roman Empire was known as Eastern Orthodox Christianity. It developed its own distinct traditions and teachings separate from Western Christianity, eventually leading to the Great Schism of 1054 that permanently divided the Eastern and Western branches of Christianity. Eastern Orthodox Christianity is still practiced today, primarily in countries such as Russia, Greece, and Eastern European countries.
Islam is practiced on all six inhabited continents, but has the largest number of followers on the continents of Asia and Africa.
Rome practiced Christianity in 600 CE
It depends on what country you talk about. In the US for example all religions may be practiced as US accept immigration from almost all countries. In Indonesia, for example, Islam is the commonly practiced religion. In India, it is Hinduism, in China, it is Buddhism. In Vatican and most European countries, it is Christianity. and so on
In a church
Christianity is practiced throughout the world. In fact, it is the most practiced religion around the world.
The Baha'i Faith is practiced around the globe and is second only to Christianity in the number of countries and territories where it can be found. Its Sacred Texts have been translated into more than 700 languages.
church