Other people are having way, way less sex than you think they are

Research shows we think young people have a lot more sex than they do in reality – and men have a particularly skewed view of the sex lives of young women, writes Bobby Duffy.

As part of Ipsos’ long-running studies on misperceptions, to be released in a new book, The Perils of Perception, we asked people in Britain and the US to guess how often people aged 18-29 in their country had sex in the past four weeks.