It's more of a perception than an exact science, and to be quite honest, often largely an age thing. Something the overwhelmingly youth orientated social and televisual medias are ill equipped to convey accurately..
It's something that will continue to increase as a phenomena in such a rapidly expanding and ageing population. There's a genuine argument to be made about whether voting should have a cut off age. When the old outnumber the young, is it still fair to let them sway decisions they'll never see the consequences of?