Eastern Orthodox Christianity is largest religion in Montenegro, but there are also sizeable numbers of adherents of both Catholic Christianity and Islam.
The majority of Orthodox Christians belong to the Serbian Orthodox Church, but there are traces of a forming Montenegrin Orthodox Church which is not canonically recognized by the Eastern Orthodox Church. According to the 2020 estimate by the Pew Research Center, 76.6% of the population is Christian, 19.11% are Muslims, and 2.61% are unaffiliated.[2]