This volume presents the combined proceedings of two complementary sessions of the XVIII UISPP World Congress (4-9 June 2018, Paris, France): Sessions XXXII-2 and XXXIV-8. These sessions aimed to identify demographic variations during the Neolithic and Bronze Age and to question their causes while avoiding the potential taphonomic and chronological biases affecting the documentation. It appears that certain periods feature a large number of domestic and/or funeral sites in a given region and much fewer in the following periods. These phenomena have most often been interpreted in terms of...