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Earth's population on doorstep of 7 billion

get_involved

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"The U.S. has one of the highest population growth rates among industrialized nations. Its fertility rate is just below the replacement rate of 2.1 children per woman, but its population has been increasing by almost 1 percent annually because of immigration."

Earth's population on doorstep of 7 billion - The Denver Post

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Immigration, World Poverty and Gumballs
[ame=http://www.youtube.com/watch?v=LPjzfGChGlE]Immigration, World Poverty and Gumballs - Updated 2010 - YouTube[/ame]
 
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editec

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the USA's anative born population achieved ZERO PIPOLATION GROWTH way back in the late 60's.

Our entire population growth has been the result of immigration.
 

waltky

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Dat's what Uncle Ferd been warnin' `bout - dey gonna come over here an' steal all our white womens...
:eek:
Skewed sex ratios fueling risks: experts
Thu, Oct 27, 2011 - GENDER IMBALANCE: A shortage of women could give rise to male-surplus societies where sexual predation, violence and conflict are the norm, experts forecast
As the global population hits 7 billion, experts are warning that skewed gender ratios could fuel the emergence of volatile “bachelor nations” driven by an aggressive competition for brides. The precise consequences of what French population expert Christophe Guilmoto calls the “alarming demographic masculinization” of countries such as India and China as the result of sex-selective abortion remain unclear. However, many demographers believe the resulting shortage of adult women over the next 50 years will have as deep and pervasive an impact as climate change. The statistics behind the warnings are grimly compelling.

Nature provides an unbending biological standard for the sex ratio at birth of 104 to 106 males to every 100 females. Any significant divergence from that narrow range can only be explained by abnormal factors. In India and Vietnam the figure is around 112 boys for every 100 girls. In China it is almost 120 to 100 — and in some places higher than 130. And the trend is spreading — to regions like the South Caucasus, where Azerbaijan, Georgia and Armenia all post birth ratios of more than 115 to 100, and further west to Serbia and Bosnia. Global awareness of the problem was raised back in 1990 with an article by the Nobel prize-winning Indian economist Amartya Sen that carried the now famous title: More Than 100 Million Women Are Missing.

Demographers say that figure is now more than 160 million — women selected out of existence by the convergence of traditional preferences for sons, declining fertility and, most crucially, the prevalence of cheap prenatal sex-determination technology. As many as half a million female fetuses are estimated to be aborted each year in India, according to a study by British medical journal The Lancet. “Earlier villagers had to go to the city to get a sonogram [ultrasound],” said Poonam Muttreja, executive director of the non-profit Population Foundation of India. “Today sonographers are going into the villages to cater to people who want sons.”

Even if the sex ratio at birth returned to normal in India and China within 10 years, Guilmoto says men in both countries would still face a “marriage squeeze” for decades to come. “Not only would these men have to marry significantly older, but this growing marriage imbalance would also lead to a rapid rise in male bachelorhood ... an important change in countries where almost everyone used to get married,” he said. How that change might manifest itself is hotly debated, although nearly everyone agrees there is no foreseeable upside.

Some forecast an increase in polyandry and sex tourism, while others predict cataclysmic scenarios with the rise of male-surplus societies where sexual predation, violence and conflict are the norm. A particularly alarmist note was sounded several years ago by political scientists Valerie Hudson and Andrea den Boer, who wrote that Asian countries with too many men posed a security threat to the West. “High-sex-ratio societies are governable only by authoritarian regimes capable of suppressing violence at home and exporting it abroad through colonization or war,” they said.

More Skewed sex ratios fueling risks: experts - Taipei Times
 

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