Sentence examples for population replacement rate from inspiring English sources
This happens to be the population replacement rate: the point at which reproduction contributes to neither a fall nor a rise in the number of people.
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.
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.
However overpopulated the world may be as a whole, there is no question that it will be more difficult for countries with low population replacement rates to pay for the retirement of their elders.
The metapopulation was assumed "genetically extinct" when the average offspring survival W(t ) dropped below the threshold W* = F-1, where F was the average basic fecundity (corresponding to the theoretical population's replacement rate in the absence of genetic load).
Our model shows that the intensity of CI has relatively little effect on the probability of population replacement when the rate of CI exceeds 60%.
Although when population is at a rise, additional demand for exports may be created, Nurkse implicitly assumed that developed countries are operating at the replacement rate of population growth.
aThe population replacement level is the fertility rate required to maintain the population.
In France the fertility rate is already around two children per female, not far short of the "replacement rate" which keeps population numbers steady.
As our briefing shows, the fertility rate of half the world is now 2.1 or less the magic number that is consistent with a stable population and is usually called "the replacement rate of fertility".
A rate of two children per woman is considered the replacement rate for a population, resulting in relative stability in terms of total numbers, while a rate below two children indicates a population that is decreasing in size and growing older.
