Long-established religions in Vietnam include the Vietnamese folk religion, which has been historically structured by the doctrines ofConfucianism and Taoism from China, as well as a strong tradition of Buddhism (called the three teachings or tam giáo). Vietnam is one of the least religious countries in the world. According to official statistics from the government, as of 2014 there are 24 million people identified with one of the recognised organised religions, out of a population of 90 million. Of these, 11 million are Buddhists (12.2%), 6.2 million areCatholics (6.8%), 4.4 million are Caodaists (4.8%), 1.4 million are Protestants (1.6%), 1.3 million are Hoahaoists (1.4%), and there are 75,000Muslims, 7,000 Bahais, 1,500 Hindus and other smaller groups (<1%).Traditional folk religions (worship of gods, goddesses and ancestors) have experienced a rebirth since the 1980s.
According to estimates by the Pew Research Center, in 2010 most Vietnamese people practice folk religions (45.3%), Buddhists constitute 16.4% of the population, around 8.2% of the Vietnamese are Christians (mostly Catholics), and around 30% are unaffiliated to any religion.Officially, the Socialist Republic of Vietnam is an atheist state as declared by its communist government.