According to GSS data, attendance at religious services has fallen dramatically across the country over the past 15 years. Nationally, only one-fifth (20%) of individuals aged 15 and over attended religious services on a weekly basis in 2001, compared with 28% in 1986. In 2001, four in 10 adults (43%) reported that they had not attended religious services during the 12 months prior to the survey, compared with only 26% in 1986.