By 2080 to 2100, America will have more people than China. The global population will start crashing for real, and already all Chinese economies are having problems due to low birthrates. Our higher education system is killing off humanity, we need a lot of people to settle the galaxy to ensure humanity's long term survival for billions of years, and according to researchers having a fair economy is the best way to bring birth rates back to growth rather than the current trajectory towards decline.