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Fertility in sentence

346 examples of Fertility in a sentence

But degree matters, and extremely low fertility, such as Japan’s rate of 1.4, will create major problems if permanently maintained.
The Scandinavian countries are exemplary in this respect, though fertility rates there have not returned to replacement levels, but only to about 1.75-1.9.
Similar policies in the US might marginally increase the fertility rate from today’s 1.75, with a mildly beneficial net effect.
But the predominant response to America’s recent fertility decline should be to accept it as inevitable and to stop worrying about it.
The demographic picture is bleak, with an aging population and a low fertility rate.
For example, a decision needs to be made as to whether the transfers go to each citizen or each household (a yearly check for each person in the family may have undesirable consequences on fertility as parents have children to collect checks).
China is also losing long-term growth momentum, as falling fertility rates and returns on investment weaken labor-force expansion and capital accumulation.
Among emerging markets, rapidly rising life expectancy and plunging fertility are likely to double the share of China’s over-60 population by 2050 – adding roughly a half-billion people who require support in their unproductive years.
For example, conservation agriculture, which aims to reduce or eliminate the need for damaging and labor-intensive interventions like mechanical soil tillage, can increase yields while protecting vulnerable areas from erosion and improving soil fertility.
While the degree to which these steps would reduce total fertility rates is a matter of controversy, they would deliver significant social and economic benefits by making huge reservoirs of fresh brain power available to solve our problems, while saving hundreds of thousands of lives by reducing the number of unsafe abortions.
In some parts of the Islamic world, most notably in the Arabian peninsula, the fertility rate remains very high.
In other parts of the Islamic world, the fertility rate is far lower and has declined in recent decades, signaling a major shift in cultural norms.
In Tunisia, the average fertility rate has dropped from 6.2 in the 1970s to 2.3 today, just slightly above the 2.0 average in the US.
Similarly, in Turkey the fertility rate fell from 5.2 in the early 1970s to 2.7 in the late 1990s.
In Indonesia, the decline in fertility rates was about the same.
Indeed, the United Nations Population Division’s recently released biennial World Population Prospects sheds new light on the debate – ongoing for over a decade – about the consequences of low fertility rates in many developed countries.
Only if the fertility rate (the number of children per woman) is above the generational replacement level, namely 2.1, will there be a natural increase in population.
But the fertility rate hit a low of around 1.3 at the turn of the century in Germany and Japan – and even lower in Italy, Russia, and South Korea.
The slight increase witnessed in subsequent years still keeps the fertility rate a long way from generational replacement.
The demographic impact of low fertility rates is counterbalanced by a steady increase in life expectancy.
Ireland, France, and a host of countries from Northern and Western Europe can claim fertility rates close to generational replacement, which, together with net immigration, keeps their population growing.
And the UN’s demographers assume that fertility rates – the most volatile and unpredictable of all demographic indicators – will bounce back towards the 2.1 children per woman mark in the coming decades.
The only major developed country to remain structurally immune to these heavy trends is the United States, thanks to a fertility rate around the generational replacement level and annual net immigration of 2.7 million people – legal or not.
Herbicide-tolerant plants have decreased herbicide use and encouraged the widespread adoption of no-till farming, markedly reducing topsoil loss and promoting soil fertility.
Men and women of child-bearing age now carry enough hormone-disturbing compounds in their bodies to impair their fertility.
Fertility rates (the number of children per woman in the population) have fallen to 1.2% in Germany and Italy.
The fertility rate for the US, by contrast, is 2.4, and it is 2.1 for the UK.
France stands out on the Continent with a fertility rate of 1.8, which is most likely the result of years of generous tax policies towards large families.
Higher fertility rates in the US, the UK, and France reflect the large number of immigrant families in each country.
Fertility rates among immigrants are typically higher than in native European or North American families.
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