> No; They're comparing across different points in time. Unless the portion of older families that are married has increased, the gap would not change with time due to that factor.
The proportional difference in marriages definitely has increased. As people are getting married later, it absolutely makes sense that the average household income for younger people is falling as more of them are single-earner "households." [1]
The proportional difference in marriages definitely has increased. As people are getting married later, it absolutely makes sense that the average household income for younger people is falling as more of them are single-earner "households." [1]
1: http://www.businessinsider.com/why-people-get-married-later-...