Well, now my friends, 40-plus years later, we have more than doubled that population number to 6.8 billion.
But across the population the number of children born with disorders is likely to increase if this theory holds true.
Although the mortality rate is predicted to continue declining, due to a growing and ageing population the number of deaths is expected to rise to about 182, 000 deaths by 2025.
Professor Elspeth Graham, of the ESRC Centre for Population Change, estimated the number of over 75s in the Scottish population would increase from the current number of 0.4m over 75s rising to around 0.7m by 2035.
Despite increasing population, the number of white voters declined for the first time since 1996.
In Georgia and Tennessee the estimates were 50 percent lower in the Hispanic population than the number of people actually counted.
After controlling for population and the number of police officers in each county, the study found that a one percent point increase in the local unemployment rate leads to a 6.4 percentage point increase in the number of traffic tickets.
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Like the U.S., China is expected to have a high population of retirees and a smaller number in the working-age population.
Mosques were then stratified and ranked by population and state and the number of mosques chosen for each state were determined by the Muslim population ratio among the states.
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Because of the global population ageing, the number and burden of strokes will increase.
It means our putative 24-year-old faces a future of a small working population supporting a large number of elderly people.
Adjust that number for population growth and a correct measure of inflation and you see that the average person is getting poorer.
The figure represents nearly 5% of the population and suggests the number of people in the country who are developing diabetes is increasing dramatically.
When the President spoke at some length about the situation in Libya on Friday, he singled out a number of population centers, and the first two were Benghazi and Misurata.
The world's largest mountain gorilla population, thought to number fewer than 500 animals, is found in a mountainous region known as the Virungas, incorporating Uganda's Mgahinga Gorilla National Park, and Virunga National Park.
The world's largest mountain gorilla population, thought to number less than 500 animals, is found in a mountainous region known as the Virungas, incorporating Volcanoes, Uganda's Mgahinga Gorilla National Park, and Virunga National Park in the Democratic Republic of Congo.
Its main argument is that, as a share of the voting population, the required number of signatures has dropped from 10% back in 1848 to 2.2% today, thanks to the enfranchisement of women at federal level, which took place only in 1971, and a swelling population.
This means that on average, every year for the next 50 years, the world population will grow by about the number of people that live now in Italy, and total population growth over the next 50 years will be more than twice the size of the current population in China.
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Libraries in Sefton are used by a very diverse number of the population.
However, because the population is growing, that number is well below the rate of job creation needed to maintain employment levels.
It puts China's middle class at up to 10% of the population, but expects the number to rise to 40% by 2020.
Inner London saw some places losing the white British population, but quite a number - coloured blue - bucked the trend and recorded an increase.
For a metro area whose population is just over that number at 182, 000, a total of 120 rapes occurred over 12 months.
Nevada became a bastion for Republicans in the '70s and '80s when a population boom brought a large number of white, "Reagan Republicans" to the state.
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"There is an increase in the nomophobic population in India because the number of mobile phone users has increased, " said Dr. Sanjay Dixit, one the researchers and the head of the Indian Journal of Community Medicine.
The bill provides for a referendum on changing the Westminster voting system from first past the post to the alternative vote (AV), making constituencies more equal in population size and cutting the number of MPs from 650 to 600.
Add together those last two groups, and the number of Americans who actively sought the vaccine but were turned away for some reason is 8 percent of the total adult population, roughly the same number as the 7 percent who have been inoculated so far.
From 1992 to 2001 the number of accident suits filed in 17 states representing 53% of the U.S. population fell 14%, while the actual number of accidents rose.
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In the cases of both fragment analysis and microsatellites, population geneticists can generally put a number on that likelihood.
Of this economically active population, there is a high number of informal workers.
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