Complex Experience Program (IMAGE) Eötvös Loránd University Caption The ageing population, the increase in the number and proportion of older people, is one of the major challenges of our time, especially in Europe. By 2050, it is projected that 30 out of 100 people will be over 65 and three of them will have dementia. Credit Department of Ethology / Eötvös Loránd University Usage Restrictions Credit must be given License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.