American self-identification as a religious/spiritual person or degrees of religiousness/spirituality vary widely across surveys depending on the wording they use. Among longitudinal academic surveys such as the General Social Survey which allows for degrees of religious identification: 22.4% are not religious, 22.6% were slightly religious, 38.1% were moderately religious, and 16.4% were very religious in 2016.[21] Other academic survey like the World Values Survey, which used rigid wording: 27.3% were not a religious person, 4.4% were a convinced atheist, and 67% were a religious person in the 2010-2014 wave.[22] According to a 2017 Pew report which asked about religious and spiritual identification: 54% of Americans consider themselves religious, 75% consider themselves spiritual. In combination, 27% is spiritual but not religious and 18% is neither spiritual not religious.