Future Market Insights reveals that the USA folding carton market is evolving from a cost-efficient secondary packaging format into a performance-critical primary and semi-primary packaging solution, where board selection, structural integrity, print sophistication, and regulatory compliance directly influence product protection, shelf differentiation, and consumer trust. As regulated consumer goods increasingly rely on paperboard packaging for safety signaling and brand communication, folding cartons are emerging as design-critical components rather than interchangeable outer packs.