What is needed to prevent the Netherlands from getting stuck due to the growing number of elderly people? How important is a Delta Plan Gray and what should it contain? Speakers include Jan Rotmans (professor of transition science), Esther Cornegé (clinical geriatrician), Toosje Valkenburg (GP), Yasmin Ait Abderrahman (FNV Young & United) and Kimberley Snijders (National Youth Council).