American decline: Depopulation is possible - and could cause a collapse

Depopulation - unremitting, long-term population decline - promises to be the 21st century's most important demographic trend. After centuries of seemingly unstoppable increase, world population is on track to peak soon. The United Nations' latest projections envision depopulation starting as soon as 2052 - just a generation hence. Depopulation is no future fantasy. A growing...