This growing and dependent old population means that there is an

This growing and dependent old population means that there is an increased demand for health and social care. Governments will struggle to provide satisfactory pensions, which are ultimately funded by taxes paid by the working population. And long-term, a smaller population of economically-active people may be a problem for companies trying to recruit staff.
Problems of the a______ society.
【正确答案】：ageing /aging