Pascanasionalisme atau non-nasionalisme[1] menjelaskan proses hilangnya keutamaan negara-bangsa dan identitas nasional di mata institusi supranasional dan global. Meski pascanasionalisme bukan antonim dari nasionalisme, dua istilah tersebut beserta segala asumsinya merupakan suatu antitesis. Ada beberapa faktor yang mendorong pascanasionalisme, yaitu ekonomi, politik, dan budaya.
↑R. Koopmans and P. Statham; "Challenging the liberal nation-state? Postnationalism, multiculturalism, and the collective claims making of migrants and ethnic minorities in Britain and Germany"; American Journal of Sociology 105:652-696 (1999)
↑R.A. Hackenberg and R.R. Alvarez; "Close-ups of postnationalism: Reports from the US-Mexico borderlands"; Human Organization 60:97-104 (2001)
↑I. Bloemraad; "Who claims dual citizenship? The limits of postnationalism, the possibilities of transnationalism, and the persistence of traditional citizenship"; International Migration Review 38:389-426 (2004)