The predominant religions in Zhejiang are Chinese folk religions, Taoist traditions and Chinese Buddhism. According to surveys conducted in 2007 and 2009, 23.02% of the population believes and is involved in ancestor veneration, while 2.62% of the population identifies as Christian, decreasing from 3.92% in 2004.[47] The reports didn't give figures for other types of religion; 74.36% of the population may be either irreligious or involved in worship of nature deities, Buddhism, Confucianism, Taoism, folk religious sects. As of the mid-2010s, Zhejiang has 34,880 registered folk religious temples greater than 20 sqm and 10,000 registered places of worship of the five doctrines (Buddhism, Taoism, Catholicism, Protestantism, Islam).[48][49][50]: 35