Yes, I understand that can be one reason. I guess I'm curious if it's the reason. There can be negative economic incentives, cultural norms, lack of infrastruct

Yes, I understand that can be one reason. I guess I'm curious if it's the reason. There can be negative economic incentives, cultural norms, lack of infrastructure to support larger child populations, etc. I also know there's a tendency in more developed (or at least wealthier) countries that as they become more prosperous their populations have fewer children. I'm sure there's multiple reasons, but in the US it can be difficult to have children and support them in a single income. Yet at early ages daycare alone can eat into a significant part of someone's takehome salary. That economic equation puts some downward pressure on the # of kids.