
The Congressional Budget Office has released new demographic projections, and they're alarming. Fertility is so low that U.S. population growth is predicted to be entirely due to immigration by the early-2030s. https://t.co/58BoXjNCrW

Its U.S. total rose more than fivefold during the two pre-WWI generations, but the country’s rapid population growth, from about 36 million people in 1865 to just more than 97 million in 1913, reduced this to less than a twofold (1.8 times) increase in per capita terms, a rise that prorates to annual growth of merely 1.2%.
Vaclav Smil • Creating the Twentieth Century: Technical Innovations of 1867-1914 and Their Lasting Impact (Technical Revolutions and Their Lasting Impact)
For most of the 2020s, the driving economic force will be low growth in productivity, decreased opportunities for investment of accumulated capital, and low interest rates. It will also be a period of increasing unemployment, driven by continued decline in industry and stagnation in high tech as the result of the maturation of the core technology.
George Friedman • The Storm Before the Calm: America's discord, the coming crisis of the 2020s, and the triumph beyond
Addie Lerner • Disrupting Eldercare

la reproduction artificielle et l’immigration étaient les deux moyens utilisés par les sociétés contemporaines pour compenser la baisse de leurs taux de fécondité. Les pays modernes comme le Japon et la Corée s’orientaient vers la reproduction artificielle, alors que les pays techniquement moins avancés, comme ceux d’Europe occidentale, avaient rec
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