As of April 2006, 508 archdioceses were headed by metropolitan archbishops, 27 archbishops lead an extant archdiocese, but were not metropolitans, and there were 89 titular archbishops.
Pada April 2006, ada 508 keuskupan agung yang dikepalai oleh uskup-uskup agung metropolitan, ada 27 orang uskup agung yang bukan metropolit, dan ada 89 orang uskup agung tituler.