This article draws on the cultural materialist paradigm articulated by Raymond Williams to offer a radical historicization of the idea of identity, with a view to clarifying and resolving some of the issues animating the ‘identity politics’ debates currently dividing left academia and activism. First, it offers clarity on the concept ‘identity politics’, demonstrating that we should reserve the term to refer only to politics that mobilize specifically and meaningfully around the concept of identity. Second, and in virtue of this, (...) it provides new insights into five central questions that have driven the identity politics debates: Do identity politics always tend towards essentialism?; Do identity politics inevitably promote a politics of recognition over redistribution?; Do identity politics inevitably create political cleavages rather than solidaristic forms of political action?; What is the relationship between ‘identity politics’ and ‘call-out culture’?; And, are the problems of identity politics resolved by reference to intersectionality? (shrink)