Urban structures must adapt quickly to sustain health amid demographic shift

In the face of ageing societies and continued rural-to-urban migration, the institutions of the city – of education, governance, regulation, infrastructure and health – need to adapt quickly to demographic change and the new 21st century population. So warned Professor Sarah Harper, director of the Oxford Institute of Population Ageing, as she closed the first Healthy City Design International Congress in London this week with a stirring keynote lecture.