There is no limit.
More people attend public schools. Many can not afford the tuition for catholic schools or do not want their children taught in the catholic faith because of other religious beliefs.
100% of the people in Vatican City are Catholic.
Many of the people in Ireland are Catholic, but some are Protestant.
About a billion people.
yes married catholic women can have children!
Most of them.
It is mainly Catholics, but anyone can go and many people who are not Catholic go to Lourdes too.
If the couple was married in the Catholic Church then, yes, at the time of their marriage the couple promised to baptize and educate their children in the Catholic Church.
Five
All Christians are Children of God. How wonderful the Lord is!
About 89% of the population profess to be Catholic, of these about half are regular weekly church attenders.
Generally, yes. People try to get their children into such schools, despite the religious indoctrination, just for that purpose. In Great Britain it is quite a problem with many parents pretending to be Catholic, or going through the motions to get their children better educations.