毎度お馴染みのPew Research＞＜

Catholics | Religious Landscape Study | Pew Research Center
https://www.pewresearch.org/religious-landscape-study/religious-tradition/catholic/

成人の19％がCatholics＞＜

Religious Landscape Study | Pew Research Center
https://www.pewresearch.org/religious-landscape-study/