Hazardous waste generated (in tonnes, per km sq of land area and per capita): Hazardous waste collected + Hazardous waste given by generator to treatment or disposal facilities + Estimation of Unaccounted for hazardous waste
Hazardous waste generated by type, including e-waste: A breakdown of hazardous waste generated by key type of waste, including e-waste
https://unstats.un.org/sdgs/metadata/files/Metadata-12-04-02.pdf