Asghar Zaidi is Professor in International Social Policy at University of Southampton, UK, Visiting Professor at London School of Economics, UK and Senior Advisor at European Centre in Vienna, Austria.Sarah Harper is Professor of Gerontology and Director of the Oxford Institute of Population Ageing at University of Oxford, UK.Kenneth Howse is Senior Research Fellow at the Oxford Institute of Population Ageing, University of Oxford, UK.Giovanni Lamura is a social gerontologist with an international and interdisciplinary background, and works at Italian National Institute of Health and Science on Ageing.Jolanta Perek-Bialas is a graduate of Warsaw School of Economics, Poland, and currently works at the Institute of Statistics and Demography there.