The report is a documentation report on the emission inventories for Denmark as reported to the UNECE Secretariat under the Convention on Long Range Transboundary Air Pollution due by 15 March 2021. The report contains information on Denmark’s emission inventories regarding emissions of (1) SOX for the years 1980-2019, (2) NOX, CO, NMVOC and NH3 for the years 1985-2019, (3) Particulate matter: TSP, PM10, PM2.5 for the years 1990-2019, (4) Heavy Metals: Pb, Cd, Hg, As, Cr, Cu, Ni, Se and Zn for the years 1990-2019, (5) Polyaromatic hydrocarbons (PAH): Benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene and indeno(1,2,3-cd)pyrene, PCDD/F and HCB for the years 1990-2019. Further, the report contains information on background data for emissions inventory.