There's a worldwide movement of women shunning marriage, children, and even relationships with men. It's entirely due to women being fed up with patriarchy and how they are pervasively treated by men.

Why are Women Opting Out of Marriage Around the World?

https://www.bolde.com/women-getting-married-less-less-reason-might-shock/

https://goodmenproject.com/featured-content/lets-talk-about-why-female-divorcees-dont-remarry/

For Older Women, Marriage Is No Longer Top Priority

In addition, there are actually more unmarried women than men in the US. The fact that there are fewer women looking for relationships than men reflects the disgust and resignation that many women feel about dating and men in general. More of them than men have given up on dating altogether.

All the Single Ladies: Washington, D.C., Has the Highest Ratio of Unmarried Women to Unmarried Men

Edit: Oh, and this too that I just ran across.

The Live Apart Together Revolution is Coming

“While 39 percent of all singles in the United States say that having a long-term committed romantic partner isn’t all that important, it jumps dramatically for women who are divorced — 55 percent of versus about 30 percent of divorced men, according to a recent study of 598 heterosexual adults with an average age of 50.”