In order to maintain the current population (in any society) the live birth rate for EVERY woman of child bearing years needs to be 2.7. Meaning every woman needs to have a minimum of 3-4 children. The USA Currently has a 1.7 live birth rate for women.
As a woman do you relish the idea of 3-4 kids?
As a man do you want to father 3-4 kids?
As a woman do you relish the idea of 3-4 kids?
As a man do you want to father 3-4 kids?