If I understand correctly. What he is essentially saying is that while the earth's population as a whole is in fact increasing, in some places it is decreasing, while in others it is increasing, but the increasing populations are probably more numerous and growing from a larger base. In order for the population to remain stable and sustainable an average of 2.1 live births per family is needed. This will theoretically enable everyone to achieve a productive life, lead a sufficiently comfortable lifestyle, and have access to support in old age (on average). If population growth is higher than 2.1 live births per family the competition for resources becomes too intense and wasteful things occur like wars and other co-lateral damage of population growth. Very high population growth rates support increased business opportunities for the already resource rich but cause increased pain and suffering for the majority of resource poor. Birth rates below 2.1 live births per family result in lower demand and hence lower economic growth rates. This decreases the populations ability to provide the comfortable and productive lifestyles and support in old age. 2.1 live births is the optimal theoretical rate of live births to set as a long term goal and to stabilize population so that a sustainable population/resource balance is achieved. Of course this theory requires the support of appropriate regulations and good governance, and compliance with regulation to be successfully achieved. Other than that it is a good rule of thumb to apply to sustainable global economic development environmental management and public health and welfare.
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Population Decline And The Great Economic Reversal
If I understand correctly. What he is essentially saying is that while the earth's population as a whole is in fact increasing, in some places it is decreasing, while in others it is increasing, but the increasing populations are probably more numerous and growing from a larger base. In order for the population to remain stable and sustainable an average of 2.1 live births per family is needed. This will theoretically enable everyone to achieve a productive life, lead a sufficiently comfortable lifestyle, and have access to support in old age (on average). If population growth is higher than 2.1 live births per family the competition for resources becomes too intense and wasteful things occur like wars and other co-lateral damage of population growth. Very high population growth rates support increased business opportunities for the already resource rich but cause increased pain and suffering for the majority of resource poor. Birth rates below 2.1 live births per family result in lower demand and hence lower economic growth rates. This decreases the populations ability to provide the comfortable and productive lifestyles and support in old age. 2.1 live births is the optimal theoretical rate of live births to set as a long term goal and to stabilize population so that a sustainable population/resource balance is achieved. Of course this theory requires the support of appropriate regulations and good governance, and compliance with regulation to be successfully achieved. Other than that it is a good rule of thumb to apply to sustainable global economic development environmental management and public health and welfare.