<page_title> Roman Catholic Diocese of Biella </page_title> <section_title> Statistics </section_title> <table> <cell> 2004 </cell> <cell> 171,000 </cell> <cell> 175,000 </cell> <cell> 97.7 </cell> </table>
In 2004 the diocese had a population of 175,000 of whom 171,000 (97.7%) had been baptised into the Catholic.