The urban landscape of Ganja is shaped by many communities. Religious diversity has however greatly decreased over the last decades, with the emigration of most Armenians, Slavs, Jews and Germans. The religion with the largest community of followers by far is Islam. The majority of the Muslims are Shia Muslims, and the Republic of Azerbaijan has the second-highest Shia population percentage in the world after Iran. The city's notable mosques include Shah Abbas Mosque, Goy Imam Mosque, Shahsevenler Mosque, Qirikhli Mosque and Qazakhlar Mosque.