More people means more technological development, which is then rapidly disseminated in the modern world. World population is estimated to peak sometime this ce

More people means more technological development, which is then rapidly disseminated in the modern world. World population is estimated to peak sometime this century and trend downward from there. Combine that with the fact that eventually most other countries will have comparable standards of living and the free unlimited immigrants gravy train will end, but while it's available, immigration is great policy.