Well, because we now need 2 people in a relationship to be working. I do not mean this to be sexist, but women entering the workforce has been a huge culprit to lowering birth rates.

Most people don’t see a problem with not reproducing because 1. “It’s not their responsibility to save society” and 2. The effects on the pension system are long-term. It’s like eating burgers and smoking every day, you don’t see the fatality of your decision right away.