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Catholic AnswerFirst of all, outside of the diocese of Rome, there is no such thing as "Roman Catholic" as a religion. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is never used by the Catholic Church..
As of the statistics available in the summer of 2012, Islam is the most populous religion in the world.
What else can I help you with?
How many members of the Roman Catholic Religion are there?
At last estimate, 1.2 billion Catholics in the world.
Which religion is biggest baptic or Catholic?
Catholic is biggest religion in the world.
What is the third biggest religon?
Christianity is the biggest religion in the world
How many people are in the Catholic Religion?
There are about 1.2 billion Catholics in the World.
Which country has more Roman Catholics between Italy and Brazil?
Brazil has the most Catholics of all the countries in the world.
What is the most popular faith in the world?
Christianity, or in particular, Roman Catholics
What city has a religious importance to the world's Roman Catholics?
Vatican City
Is Islam the biggest regilion?
No, Christianity is still the biggest religion in the world.
Which is the second biggest religion in the world?
Islam.
What is the percent of Christianity followers?
Around 10% of Christians in U.K. are Roman Catholics, most of them are Anglicans.
What is the most popular religion in the spanish world?
94% of the of the inhabitants of Spain are Roman Catholic. The other 6% are other religions.
In what part of the world are most Roman Catholics found?
The highest concentrations of Catholics are found throughout Latin America, and in France, Spain and Italy.
