The nearest year I could find figures for was 1910, the Pew Research Center estimated that the total world-wide population for Catholics in 1910 was around 291 million with around 65 percent of them in Europe, and about 24 percent of them in Latin America.
Over the past century, the number of Catholics around the globe has more than tripled, from an estimated 291 million in 1910 to nearly 1.1 billion as of 2010, according to a comprehensive demographic study by the Pew Research Center.
Catholics
Catholics
A good number yes. A good number of people in all US states are catholics. By no means are all californians catholics. But many many are.
The Archdiocese of Chicago serves 2.3 million Catholics.
In 1900, there were 79 countries.
Yes, because Catholics are just one of the many Christian groups.
The average percentage of Italians as Roman Catholics id about 96%
There are 1900 because 1900*100 = 190000
1900 mm = 6.23 ft
2009-1900 = 1009
As there are Catholics in every country in the world, many of them underground (in China, etc.), there really is no way to come by this kind of information. We don't even have an accurate count of how many Catholics are alive each day.
The link below lists the number of Catholics in each country.