AIDS, smoking and obesity are reversing progress made in helping people live longer around the world, with mortality rates worsening over the past 20 years in 37 countries, researchers reported on Thursday.
They found Icelandic men have the lowest risk of premature death, while Cypriot women do. Some rich countries such as the United States and Britain scored relatively poorly, the survey found.
In most places, men have twice the relative mortality rate of women, Dr. Christopher Murray of the University of Washington in Seattle and colleagues reported in the Lancet medical journal.
"Worldwide, the 1990s reversal in the trend in adult mortality is probably a result of the HIV pandemic and the sharp rise in adult mortality in countries of the former Soviet Union," the researchers wrote.
"One of the most striking patterns is the rapid decline in adult female mortality in south Asia; in 1970 this was the region with the highest risk of female mortality and by 2010, (the risk of dying before age 60) had fallen by 56 percent."
Murray and colleagues used a complex formula to calculate the probability that someone aged 15 will die before they reach 60. They believe their method paints a more accurate picture than methods used by the United Nations, and can be used to compare countries with populations of different ages.
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