News tagged with birth rate
Baby boomlet: US births in 2007 break 1950s record
(AP) -- More babies were born in the United States in 2007 than any year in the nation's history, topping the peak during the baby boom 50 years earlier, federal researchers reported Wednesday.
Mar 18, 2009 |
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Recession may have pushed US birth rate to new low
The U.S. birth rate has dropped for the second year in a row, and experts think the wrenching recession led many people to put off having children. The 2009 birth rate also set a record: lowest in a century.
Aug 27, 2010 |
3.5 / 5 (6) |
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Teen sex: More use rhythm method for birth control
(AP) -- A growing number of teen girls say they use the rhythm method for birth control, and more teens also think it's OK for an unmarried female to have a baby, according to a government survey released Wednesday.
Jun 02, 2010 |
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New study finds home birth safe
(PhysOrg.com) -- A new study by McMaster University researchers has found low-risk women who have midwives in attendance during birth have positive outcomes regardless of where the delivery takes place.
Sep 18, 2009 |
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Falling birth rates shift rotavirus epidemics
Fewer births in states such as California may be delaying the annual onset of a common intestinal virus in the southwest, according to epidemiologists. The timing of infectious outbreaks in other locations such as the northeast ...
Medicine & Health / Diseases, Conditions, Syndromes
Jul 16, 2009 |
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Single embryo implants work better: study
Implanting single embryos into the wombs of women seeking to boost fertility is more effective and less costly than placing two embryos at a time, a pair of studies released Wednesday found.
Medicine & Health / Medical research
Mar 25, 2009 |
5 / 5 (1) |
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Study shows income inequality a key factor in high US teen births
New research reveals the surprising economics behind the high U.S. teen birth rates, and why Texas teens are giving birth at triple the rate of Massachusetts youth: high income inequality and low opportunity cost.
Other Sciences / Social Sciences
Apr 05, 2012 |
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GOODS-Herschel reveals gas mass role in creating fireworks versus beacons of star formation
(PhysOrg.com) -- A study of galaxies in the deepest far-infrared image of the sky, obtained by the Herschel Space Observatory, highlights the two contrasting ways that stars formed in galaxies up to 12 billion ...
Mar 27, 2012 |
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Isle Royale wolves may go extinct
Isle Royale National Park's gray wolves, one of the world's most closely monitored predator populations, are at their lowest ebb in more than a half-century and could die out within a few years, scientists said Friday.
Mar 16, 2012 |
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Odds of living a very long life lower than formerly predicted
Research just published by a team of demographers at the social science research organization NORC at the University of Chicago contradicts a long-held belief that the mortality rate of Americans flattens out above age 80.
Other Sciences / Social Sciences
Feb 06, 2012 |
4.8 / 5 (5) |
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Swedish town eyes digital age with Arctic data centre
Perched near the Arctic Circle, the Swedish town of Luleaa hopes that a massive data centre for US social networking giant Facebook will launch the vibrant industrial region into the digital age as a European ...
Nov 27, 2011 |
1 / 5 (1) |
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World population to hit 10 bln, but 15 bln possible: UN
The world's population of seven billion is set to rise to at least 10 billion by 2100, but could top 15 billion if birth rates are just slightly higher than expected, the United Nations said on Wednesday.
Other Sciences / Social Sciences
Oct 26, 2011 |
5 / 5 (3) |
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Scientists offer way to address 'age-old' questions
Scientists have devised a method to measure the impact of age on the growth rates of cellular populations, a development that offers new ways to understand and model the growth of bacteria, and could provide new insights ...
Sep 07, 2011 |
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1.6 children per woman
For the first time, the Max Planck Institute for Demographic Research presents corrected birth rates that are considerably higher than the official figures. Researchers also anticipate a reversal in the trend ...
Other Sciences / Social Sciences
Sep 06, 2011 |
4 / 5 (2) |
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US births down for 3rd year; economy may be factor
(AP) -- U.S. births apparently have declined for a third year in a row, probably because of the weak economy.
Jun 15, 2011 |
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3
Birth rate
Crude birth rate is the nativity or childbirths per 1,000 people per year.
It can be represented by number of childbirths in that year, and p is the current population. This figure is combined with the crude death rate to produce the rate of natural population growth (natural in that it does not take into account net migration).
As of 2007[update], the average birth rate for the whole world is 20.3 per year per 1000 total population, which for a world population of 6.5 billion comes to 134 million babies per year.
Another indicator of fertility that is frequently used is the total fertility rate, which is the average number of children born to each woman over the course of her life. In general, the total fertility rate is a better indicator of (current) fertility rates because unlike the crude birth rate it is not affected by the age distribution of the population.
Fertility rates tend to be higher in less economically developed countries and lower in more economically developed countries.
The birth rate is an item of concern and policy for a number of national governments. Some, including those of Italy and Malaysia, seek to increase the national birth rate using measures such as financial incentives or provision of support services to new mothers. Conversely, others aim to reduce the birth rate. For example, China's One child policy; measures such as improved information about and availability of birth control have achieved similar results in countries such as Iran.
For more information about Birth rate, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
