It is far from clear whether the shift means a wholesale turn away from religion.
A tremendous piety still predominates in the private lives of young Iraqis, and religious leaders, despite the increased skepticism, still wield tremendous power. Measuring religious adherence, furthermore, is a tricky business in Iraq, where access to cities and towns far from Baghdad is limited.
But a shift seems to be registering, at least anecdotally, in the choices some young Iraqis are making.