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| christian physician recruiters, larger, moms having sex with teens , bookstore, hairstyles over 50 , moms fucking video , jennifer wilbanks, constitutional, havana street, over the hill 50 , housewife sluts , moms fucking friends , the ottawa sun, advocacy, mature blowjob galleries , prostate cancer, | It seems possible that migration to low-fertility countries will increase rather than decrease in future. Second, the total fertility rate indicator, which uses current fertility as a guide to the future, can underestimate actual completed fertility. Future family families — and populations — may be bigger than TFR indicates. TFR does not measure women’s actual experience. It is calculated by using family the fertility experience of women of different ages in a recent time period to family estimate how many children a woman would have if she had a similar number of children at those ages as she passed through her reproductive years. But as fertility reaches low levels, the timing of births often changes. Women have fewer children, but they also have them later in life and in a shorter period. Measuring current births to younger women will not reflect their intention to have children later; the current experience of older women, on the other hand, will not show the children they had earlier. |
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| Projections of the ultimate size of the world population are very sensitive to small variations in assumptions. If, starting in 2025, global fertility were to mature blowjob galleries remain at 2.2 children per woman, the population would reach 18.3 billion by 2150. On the other hand, if global fertility were 1.8 in 2025, total population in 2150 would be just 6.4 billion. Ultimate population size depends not only on the size of completed families but on decisions about when to start them. Raising the age at which mothers have their first child from mature blowjob galleries 18 to 23 would reduce mature blowjob galleries population momentum by over 40 per cent. Population momentum is not a factor in Europe because fertility has been low for a long time. But projections of shrinking populations may still be exaggerated, for two reasons: First, projections based on below-replacement fertility leave out of account migration from higher-fertility countries. Though many countries are tightening curbs on migration, this is in response to increasing pressures from would-be migrants. |
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