I don't believe in egalitarianism, if that's what you're asking. I believe in equal opportunity and that America is one of the best places for it. I like John Rawls' philosophy on this.
I am all for tax incentives such as the enhanced Child Tax Credit that Republicans viciously oppose.
Yes, birth rate declining is going to be a significant issue over the next few decades as older workers retire with no one to replace them. https://www.unfpa.org/swp2023/too-few#:~:text=Worldwide%2C fertility has fallen from,births per woman by 2050.