The New Anti-Capitalist Party in France was founded in 2009 on the call of the LCR (French section of the Fourth International). Following a division in 2022 there is today the NPA-A and the NPA-Révolutionnaires. The NPA-A is a collective member of the Fourth International since March 2025.

Simon Hannah is a socialist, a union activist, and the author of A Party with Socialists in it: a history of the Labour Left, Can’t Pay, Won’t Pay: the fight to stop the poll tax, and System Crash: an activist guide to making revolution.