Most Catholics in Sweden since the Reformation, particularly among the clergy, have been immigrants or of immigrant descent from all over Europe (but especially Eastern Europe) and from the Middle East, as well as Arabs and Armenians of various Catholic rites.
Sebagian besar penganut Katolik di Swedia sejak Reformasi Protestan, khususnya kalangan klerus, adalah imigran ataupun keturunan imigran dari seluruh penjuru Eropa (khususnya Eropa Timur) dan dari Timur Tengah, termasuk juga orang-orang Arab dan Armenia dari beragam ritus Katolik.