most recent census (2015). However, there are also sizeable numbers of non-Chinese ethnic groups in Singapore that practise Buddhism, such as the Japanese, Sinhalese, Burmese and Thais. As of 2015, 18.5% of Singaporeans had no religious affiliation. Non-religious Singaporeans are found in various ethnic groups and all walks of life in the diverse, multicultural city state. The Singapore non-religious community itself is very diverse, with many calling themselves atheists, agnostics, free thinkers, humanists, secularist, theists or sceptics. In addition, there some people who decline religious labels but still practice traditional rituals like ancestral worship. The number of non-religious people in Singapore has risen gradually over the decades. Census reports show that those who said they have no religion rose from 13.0% in 1980 to 17.0% in 2010. In recent years, social gatherings of non-religious people are getting popular in Singapore. The Singapore Humanism Meetup is a major network of 400 over secular Humanists, freethinkers, atheists, and agnostics. In October 2010, the Humanist Society (Singapore) became the first humanist group to be gazetted as a society. See also Architecture of Singapore Tourism in Singapore Museums in Singapore Notes References