This report presents the ‘Waste’ pool of Sweden’s National Nitrogen Budget (NNB), one of eight major pools defined by the Task Force on Reactive Nitrogen under the Air Convention (CLRTAP). The NNB tracks all major reactive nitrogen (Nr) flows within and across the country. In the Waste pool, the largest Nr flows come from industrial and household waste, municipal wastewater, and residues from anaerobic digestion of biological waste.