This report provides disaggregated data analysis of climate finance provided and mobilised in 2016-2020 across climate finance components, themes, sectors, and financial instruments. It also explores key trends and provides insight relating to the distribution and concentration of climate finance provided and mobilised across different developing country characteristics and groupings. The concluding chapter of the report provides further insights on the impacts and effectiveness of climate finance, as well as meaningful mitigation action and transparency on implementation. The findings complement the OECD report Aggregate Trends of Climate Finance Provided and Mobilised by Developed Countries in 2013-2020.