Poverty and inequality have pervaded British society to this day, but this has not always been self-evident to contemporaries – popular understandings have depended on existing knowledge. Inequality Knowledge provides the first detailed history of the numbers about the gap between rich and poor. It shows how they were produced, used, and suppressed at times, and how activists, scientists, and journalists eventually wrestled control over the figures from the state.

The book traces the making and the politics of statistical knowledge about economic inequality in the...