How so? I mean being an unmarried couple isn't cheaper than being a married couple.
At least among everybody I know, the reason for delaying marriage is that marriage isn't seen as that important any more, especially before kids show up in the picture.
The only argument I could see is that falling median household income is the reason people are delaying having kids, which then makes getting married early less important.
For people who feel the weight of particular social expectations (which I agree they shouldn't but that's a separate discussion), weddings themselves are expensive.
At least among everybody I know, the reason for delaying marriage is that marriage isn't seen as that important any more, especially before kids show up in the picture.
The only argument I could see is that falling median household income is the reason people are delaying having kids, which then makes getting married early less important.