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According to the PDF: http://www.un.org/esa/population/publications/longrange2/WorldPop2300final.pdf http://www.un.org/esa/population/publications/longrange2/Wo
by showerst 16y ago
According to the PDF: http://www.un.org/esa/population/publications/longrange2/WorldPop2300final.pdf http://www.un.org/esa/population/publications/longrange2/Wor... it's virtually all due to changes in fertility.
As countries grow in wealth and life expectancy, the number of children per woman tends to drop off drastically.