Climate finance is crucial for helping developing countries deal with climate change impacts. Developed countries pledged to provide 100billionannuallyby2020forthispurpose.Thereportassessesprogresstowardsthisgoal,focusingondonorfiguresfor2017−18.Itexamineshowclimatefinanceisbeingused,whereitisgoing,andhowclosewearetothe100 billion target. The findings will inform future climate finance strategies.