demography

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Demographer Bernard Salt noted that at present, the average household had plasma televisions, can travel overseas and fond of eating at cafes and restaurants on a regular manner.
On perhaps the most positive note in the new projections, UN Population Division demographers believe that every country in the world currently is experiencing a longer life expectancy in the 2010-to-2015 period than between 2000 and 2010.
Any look at future population is guesswork, and the world's principal demographer, the United Nations, admits as much.
Frey, a demographer from the University of Michigan's Population Studies Center and the Brookings Institution.
A common past view among demographers was that fertility would level off at or near the replacement level of 2.
Despite the overall reduction of the undercount estimate, the demographers found more undocumented immigrants than they had expected.
In fact, demographers have said that by 2050, several million Americans will be 100 years and older (at the beginning of the 1980s there were 18,000).
How does the Sierra Club hope to achieve this, given that, most demographers agree that, barring disaster, three billion more people will be added to the planet's population in the next fifty years?
Demographers, scientists who study population statistics, use math equations to both project current population growth and estimate the number of people alive.
Fast-rising life expectancy and the world's lowest birthrate are combining to make Italy "the oldest country in the world," as demographers put it.
But, apparently, not enough of them to matter to the demographers charged with determining where the next store opening would take place.
Demographers tell us the 18-year-old population peaked around 1980 and has been declining ever since because of birth control technology and the trend toward childless or one-child families.