This graph in particular left me confused. https://assets.bwbx.io/images/users/iqjWHBFdfxIU/ib_EJj3p7cWQ/v1/800x-1.png https://assets.bwbx.io/images/users/iqjW

This graph in particular left me confused. https://assets.bwbx.io/images/users/iqjWHBFdfxIU/ib_EJj3p7cWQ/v1/800x-1.png https://assets.bwbx.io/images/users/iqjWHBFdfxIU/ib_EJj3p7cW... So, in 1974, Americans didn't have retirement savings? Or the total sum was just too small to display on the graph? Or is this just graphing one particular type of easily measurable asset which was introduced around then and has grown in popularity...