This is the twenty-third volume of the publication on Indicators on Gender, Poverty, the Environment and Progress towards the Sustainable Development Goals in African Countries by the Statistics Department of the African Development Bank Group. The publication provides information on the broad development trends relating to gender, poverty, environmental issues and the SDGs in the 54 African countries. This volume is divided into three main parts. Part I highlights the progress being made by African countries towards the 17 Sustainable Development Goals (SDGs). Part II presents comparative cross-country data on gender (section 1), poverty (section 2), and the environment (section 3). Part III provides more detailed data on each of these three themes across each of the 54 African countries.