Religion in Russia is diverse, with Christianity, especially Russian Orthodoxy, being the most widely professed faith, but with significant minorities of non-religious people and adherents of other faiths. A 1997 law on religion recognises the right to freedom of conscience and creed to all the citizenry, the spiritual contribution of Orthodox Christianity to the history of Russia, and respect to "Christianity, Islam, Buddhism, Judaism and other religions and creeds which constitute an inseparable part of the historical heritage of Russia's peoples", including ethnic religions or paganism, either preserved, or revived. According to the law, any religious organisation may be recognised as "traditional", if it was already in existence before 1982, and each newly founded religious group has to provide its credentials and re-register yearly for fifteen years, and, in the meantime until eventual recognition, stay without rights. The Russian Orthodox Church, though its influence is thin in some parts of Siberia and southern Russia, where there has been a perceptible revival of pre-Christian religion, acts as the de facto, if not de jure, privileged religion of the state, claiming the right to decide which other religions or denominations are to be granted the right of registration. Some Protestant churches which were already in existence before the Russian Revolution have been unable to re-register, and the Catholic Church has been forbidden to develop its own territorial jurisdictions. According to some Western observers, respect for freedom of religion by Russian authorities has declined since the late 1990s and early 2000s. For example, the activities of the Jehovah's Witnesses are currently banned in Russia. According to International Christian Concern, during 2021 "crackdowns on religious freedom have intensified in Russia." Since the dissolution of the Soviet Union in 1991 there has been a revival and spread of Siberian shamanism (often mixed with Orthodox elements), and the emergence of Hinduism and new religious movements throughout Russia.