The estimated number of people aged between 15 and 54 misusing opiates such as heroin is 51, 582, or 1.8% of Scotland's population.
Another answer is 45 million, the estimated number of people who would have health insurance if Mr. Obama were re-elected, but would lose it if Mr. Romney were to win.
Adult asthma estimates are for those 18 years and older and represent the estimated number of people who had asthma during 2007 based on state rates (BRFSS) applied to county population estimates (U.S. Census).
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Pediatric asthma estimates are for those under 18 years of age and represent the estimated number of people who had asthma in 2007 based on national rates (NHIS) applied to county population estimates (U.S. Census).
One of the tour leaders on our boat estimated that the total number of people who have actually set foot on this land mass -- tourists, scientists and explorers -- would fill a very large football stadium.
But there is much more to be established about the army's role in the initial attempt to violently suppress the revolution and in the disappearance of civilians - estimated to number anywhere between dozens and hundreds of people - who remain unaccounted for, he adds.
BBC: Egypt army 'tortured and killed during 2011 revolution'
In an interview published in this month's Wired magazine, Dawkins estimated the number of non-religious people in the U.S. to be around 30 million and compared atheists' struggle for recognition as equivalent to previous campaigns by other minority groups.
The U.N. says it doesn't know the exact number of people living with HIV and AIDS, and that estimated number released this year may be the result of better tracking information vs. an actual decline in infections.
But the methodology, which is simply to multiply average employee wages by an estimated number of minutes per day online, essentially treats people as robots who would normally spend every moment in full concentration mode.
Dr Lee highlighted the increase in diabetes as a particular cause for concern - with the number of people diagnosed with the condition estimated to rise by 700, 000 by the end of the decade and top four million by 2025.
India has the second highest number of infections, with an estimated 4.8 million people living with HIV.
The number of deafblind people in the county is estimated to rise from 3, 200 to 4, 000 by 2020.
Overall, the number of people with diabetes in Scotland is estimated to be rising by about 10, 000 each year.
The number of people without electricity in the country surprised the government, which estimated the number to be three times smaller.
Latest statistics suggest the number of cases in Wales have quadrupled over the past week, with an estimated 2, 000 people now suffering flu-like symptoms.
There is already a backlog of unserved urban populations, and the number of people in cities who lack access to improved water supply and sanitation is estimated to have grown some 20% since the Millennium Development Goals were established.
The number of homeless people sleeping in January on New York City's subways climbed to an estimated 1, 841, a 13% increase from the previous year and a 118% increase from 2005 when officials began collecting this data, Mayor Michael Bloomberg's administration said Wednesday.
WSJ: City Tallies an Increase in Homeless People on the Subways
The number of people using mobile devices to get online is even higher: 450 million worldwide in 2009 and estimated to double by the end of 2013, according to IDC.
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