The 2015 Edelman Trust Barometer is the firm’s 15th annual trust and credibility survey. The survey was powered by research firm Edelman Berland and consisted of 20-minute online interviews conducted on October 13th – November 24th, 2014. The 2015 Edelman Trust Barometer online survey sampled 27,000 general population respondents with an oversample of 6,000 informed publics ages 25-64 across 27 markets. The 2015 Trust Barometer UK Supplement was fielded from 12th – 13th January. The survey consists of 1,000 general online population with Informed Publics occurring naturally in the population sample. All informed publics met the following criteria: college- educated; household income in the top quartile for their age in their country; read or watch business/news media at least several times a week; follow public policy issues in the news at least several times a week. For more information, visit