>The consensus among demographic authorities today is that the global population will peak later this century and then start to decline. Some estimates suggest that this might happen as soon as 2053, others as late as the 2070s or 2080s.
>Regardless of when this turn commences, a depopulated future will differ sharply from the present. Low fertility rates mean that annual deaths will exceed annual births in more countries and by widening margins over the coming generation. According to some projections, by 2050, over 130 countries across the planet will be part of the growing net-mortality zone—an area encompassing about five-eighths of the world’s projected population. Net-mortality countries will emerge in sub-Saharan Africa by 2050, starting with South Africa. Once a society has entered net mortality, only continued and ever-increasing immigration can stave off long-term population decline.
>Future labor forces will shrink around the world because of the spread of sub-replacement birthrates today. By 2040, national cohorts of people between the ages of 15 and 49 will decrease more or less everywhere outside sub-Saharan Africa. That group is already shrinking in the West and in East Asia. It is set to start dropping in Latin America by 2033 and will do so just a few years later in Southeast Asia (2034), India (2036), and Bangladesh (2043). By 2050, two-thirds of people around the world could see working-age populations (people between the ages of 20 and 64) diminish in their countries—a trend that stands to constrain economic potential in those countries in the absence of innovative adjustments and countermeasures.
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>The consensus among demographic authorities today is that the global population will peak later this century and then start to decline. Some estimates suggest that this might happen as soon as 2053, others as late as the 2070s or 2080s.
>Regardless of when this turn commences, a depopulated future will differ sharply from the present. Low fertility rates mean that annual deaths will exceed annual births in more countries and by widening margins over the coming generation. According to some projections, by 2050, over 130 countries across the planet will be part of the growing net-mortality zone—an area encompassing about five-eighths of the world’s projected population. Net-mortality countries will emerge in sub-Saharan Africa by 2050, starting with South Africa. Once a society has entered net mortality, only continued and ever-increasing immigration can stave off long-term population decline.
>Future labor forces will shrink around the world because of the spread of sub-replacement birthrates today. By 2040, national cohorts of people between the ages of 15 and 49 will decrease more or less everywhere outside sub-Saharan Africa. That group is already shrinking in the West and in East Asia. It is set to start dropping in Latin America by 2033 and will do so just a few years later in Southeast Asia (2034), India (2036), and Bangladesh (2043). By 2050, two-thirds of people around the world could see working-age populations (people between the ages of 20 and 64) diminish in their countries—a trend that stands to constrain economic potential in those countries in the absence of innovative adjustments and countermeasures.