More than 95% of the residents of Tbilisi practise some form of Christianity (the most predominant of which is the Georgian Orthodox Church). The Russian Orthodox Church, which is in Full communion with the Georgian Orthodox Church, and the Armenian Apostolic Church have significant followings as well. A minority of the population (around 1.5%) practises Islam (mainly Shia Islam), while about 0.1% of Tbilisi's population practises Judaism. There is also a Roman Catholic church and the Yazidi Sultan Ezid Temple.