They all share the same faith and the same leader (the pope).
Yes, Catholics are all over the world.
Roman Catholics and some other Christian denominations, all over the world, celebrate All Saints Day.
Catholics live in every nation in the world, in some, like China and the Mid-east, they are "underground"; some nations like Italy and Malta are predominately Catholic, but still, Catholics are all over the world.
About 17% of all Catholics in the world live in Western Europe. (200,643,617 Catholics in Europe; 1,181,368,942 in the world.
The same things all Catholics believe in. The word "Catholic" comes from the word which means universal or according to the whole. The Catholic Church is the same the world over and through the centuries.
Brazil has the most Catholics of all the countries in the world.
Christmas is generally celebrated by Catholics. To little kids all over the world it was started by Santa Clause, But truly it started when Jesus Christ was born of the Virgin Mary. Christmas was started by Catholics.
Unlike Protestants, Catholics have a central leadership - the Pope and bishops - who assure we are all share the same beliefs.
Catholics live all over the world except in Antarctica. There is, however, Chaplain in residence. However, there are countries in the world (Saudi Arabia, for example) where there are few Catholics and those few are forbidden from any form of public worship. Some have even been arrested for worshiping God within the confines of their homes. In several other countries Catholics as well as many other Christian sects are under increasing persecution, primarily by Muslims.
Julia Carson's famous quote is "I have felt that oneness and the love from people all over the world. We're all together in this thing and I believe there is more that unites us than separates us."
Not all Brazilians are Catholic, but many are. About 63% of the population are Catholic. There are more Catholics in Brazil than in any country in the world.
There are Catholics all over the world. Catholicism started in Jerusalem with Our Blessed Lord, Jesus Christ, appointing St. Peter as His Vicar in Matthew 16:17-19. St. Peter and St. Paul went to Rome, which at that time was the center of the known world, and established the center of the Church there.