Total core budget contributions for 2023 as per decision 22/CP.26 amount to EUR 31.0 million. As at 19 May 2023, the outstanding contributions for 2023 amounted to EUR 14.7 million; the total outstanding contributions for 2010–2022 were EUR 13.4 million; USD 0.1 million remained outstanding for 1996–2009; and 140 Parties had not made their contributions in full for 2023.

Between 1 January and 19 May 2023, voluntary contributions amounting to USD 12.9 million were received by the Trust Fund for Supplementary Activities and USD 0.3 million by the Trust Fund for Participation in the UNFCCC Process.