This is an interestingly skewed article, because if there are single women (particularly if unwillingly so), there are just as many single men.
“Just as many single men..”
The extreme anti-male bias in the divorce and family court system has made marriage and children highly unappealing for many men today. High risk of financial ruin and never seeing your kids, even as wifey gets a generous “maintenance” and child support payments. One of the main reasons women are not getting married as much anymore is that men don’t want to.