Despite the population of the US doubling in my lifetime, the growth is not from US born children. US born growth is at an all-time low, getting worse almost every year since 1980. We currently don’t have the US births to sustain a healthy society. The population growth is mostly illiterate immigrants and they don’t want to participate in the American society. As an example, the majority of Spanish speaking immigrants still cannot speak English after 15 years.
Kiss America good bye!