The American fertility rate is around the replacement rate of 2.1, compared with 1.4 for Germany and Italy, where populations are in decline.
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The last time it was above the replacement rate of two was in 1976.
The pattern of swift, uninterrupted decline is now taken as the norm: the UN uses it to project a worldwide convergence towards the replacement rate of fertility (2.1, the rate at which a population stabilises in the long term).
Africa has even higher TFRs, with many of its countries between 4 and 7, far higher than the replacement rate of 2.1.
Western European countries have low fertility rates, below the replacement rate of 2.1.
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During the existence of the coercive program China's birth rate declined from 2.9 births per female to around 1.6 or 1.7 today, figures well below the replacement rate of 2.1.
The U.S. has a total fertility rate (TFR) of 2.0 nearly the replacement rate with Hispanic immigrants leading in birth rates.
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Singapore's total fertility rate of 1.2, which represents the number of children that would be born to a woman if she were to live to the end of her child-bearing years, has been below the population replacement rate for more than three decades.
Larry Summers, Barack Obama's main economic adviser, has noted that current annualised vehicle sales of about 9m are well below the 14m necessary for replacement and rising population, while annualised housing starts are about a quarter of the rate needed to support the forming of new households.
Italians and Irish have been emigrating for centuries which is part of the reason why the birth rate in Italy is less than the replacement rate because who wants to stay in a place where there is little opportunity and there are no jobs?
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Although America benefits greatly from immigration, its fertility rate has actually consistently been sub-replacement for almost all of the past 20 years.
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Manufacturing firms recorded both redundancies and the non-replacement of voluntary leavers over the month, although the overall rate of job losses was said to be "marginal".
Singapore's total fertility rate, which represents the number of children that would be born to a woman if she were to live to the end of her child-bearing years, has been below the population replacement rate for more than three decades.
This could be achieved through a cap-and-trade system by issuing each adult with 1.05 of a birth permit (ie, 2.1 permits per couple to achieve the replacement fertility rate) and allowing such permits to be tradable.
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