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.
V dubnu 2006 stáli metropolité v čele 508 arcidiecézí, 27 arcibiskupů titul metropolity nemělo a dalších 89 arcibiskupů bylo pouze titulárních.