X @Elon Musk

Demographic Trends - A fertility rate of 2.7 children per woman is now considered necessary to avoid long-term population decline [1] - The current U S fertility rate is 1.66 children per woman [1] - Many wealthy nations have even lower fertility rates, such as Italy at 1.29 children per woman [1] Population Sustainability - A minimum of 2.7 children per woman is needed for population survival [1] - The current fertility rates are insufficient to maintain the population [1]