A total of 37 of the 43 Parties included in Annex I to the Convention (Annex I Parties) submitted their greenhouse gas (GHG) inventory common reporting format tables and national inventory reports by the deadline of 15 April 2023. In 1990–2021, total aggregate GHG emissions without emissions and removals from land use, land-use change and forestry (LULUCF) for all Annex I Parties decreased by 17.4 per cent, while total GHG emissions and removals with LULUCF decreased by 21.1 per cent. For Annex I Parties with economies in transition, GHG emissions without and with LULUCF decreased by 40.5 and 48.8 per cent respectively. For Annex I Parties that do not have economies in transition, GHG emissions without and with LULUCF decreased by 7.4 and 8.8 per cent respectively. The information in this document is based on the national GHG inventory submissions of Annex I Parties received as at 31 August 2023.