The Great British Class Survey (GBCS) was a survey of social class in the United Kingdom conducted in 2011. The survey was developed in collaboration with academics from the University of Manchester, the London School of Economics and Political Science, and the University of York. The research has been published in the journal Sociology. The findings are also described in a book, Social Class in the 21st Century, by Mike Savage, Niall Cunningham, Fiona Devine, Sam Friedman, Daniel Laurison, Lisa Mckenzie, Andrew Miles, Helene Snee and Paul Wakeling. The results released were based on a survey of 325,000 adults, 160,000 residents of Britain most of whom lived in England and described themselves as "white." Class as a multi-dimensional construct was defined and measured according to the amou