The dominant ethnic group in France are Caucasians with French ethnicity. There are some people there with Arabic backgrounds as well. Additionally, France has a majority of their population listed as Catholics.
Yes
Yes, Louisiana is predominantly Catholic as opposed to Protestant, it was settled by Catholics from France.
The Catholics and the Protestants.
86,3% of the population
Lourdes
According the Wikipedia article "Catholic Church by Country" there are 173,212,640 Roman Catholics in the US as of the 2009 Census of the Pontifical Yearbook (Annuario Pontifico). The population of catholics in the United States is less then the protestants. As the catholics mainly came from Ireland.
The question is underspecified.What is the percentage required relative to:Roman Catholics in the world?Total population of Rome?Christian population of Rome?
No. Some Catholics live in Jerusalem but the majority of the population is Arabic and Jewish. Catholics live in every country in the world.
... and Protestants.
Yes catholics are mainline Christians and currently have the maximum world population in Christianity stream.
The population of HSBC France is 11,700.