According to the Economist and against popular Western opinion, marriage actually generates wealth for a family. Shahtaj Siddiqui discusses at Muslamics.

From an Islamic perspective, one can plainly see the wisdom in practices such as not dating, and choosing a spouse who is better suited for the long-run (economically, socially, mentally, physically, etc.) than falling for the stereotypical “love-at-first-sight.’ I don’t believe that Islamic practices need ever be corroborated by outside sources, but having quick statistics (like the above) that are easy to understand is quite convenient, especially when having to explain, “What? Muslims don’t date?”