My husband won’t lift a finger to help me. Should I stay or go?

The dilemma I am 47, have two primary-school children and a marriage that is in slow decline. From our initial pre-marriage ideals of a kind of Scandinavian shared approach to parenting and marriage it became apparent that, in fact, our underlying approach was that of his parents. The expectation is that I do everything. Nothing is done in an abusive way, but there is a passive detachment which I see in him that mirrors his dad. In his side of the family, the women run around doing everything while the men watch TV and discuss the news. I have brought this up numerous times, both in frustration and anger