The Italian, French, Spanish is often more Catholic, Germany, the United Kingdom, the United States many people of the Protestant, the former Soviet Union and Eastern Europe such as Russia Osodokushi (Greek Orthodox) is strong.
Christianity during the colonial period, but were brought in regions other than Europe, it occupies Catholic population is the majority in Latin America and the Philippines. In Japan Christianity is missionary, but not less than to now the population by Christian prohibition. In South Korea is a 0 of the population.
Center of Islam's Middle East, but Islam is not a religion of only the Middle East. There are a lot of believers in Africa and Southeast Asia, also Central and Eastern European countries. Most Muslim-rich country in the world is Indonesia.
In addition, a growing number Muslims in Europe and the United States. Here 0 few years, because a growing number of Muslims who come to work from the Middle East countries, Europe and in Japan.