Suicide rates among middle-aged Americans have risen sharply in the past decade, prompting concern that a generation of baby boomers who have faced years of economic worry and easy access to prescription painkillers may be particularly vulnerable to self-inflicted harm.
More people now die of suicide than in car accidents, said the Centers for Disease Control and Prevention, which published the findings in Thursday's issue of its Morbidity and Mortality Weekly Report. In 2010 there were 33,687 deaths from motor vehicle crashes and 38,364 suicides.
Suicide has typically been viewed as a problem of teenagers and the elderly, and the surge in suicide rates among middle-aged Americans is surprising. The suicide rate among Americans ages 35 to 64 climbed nearly 30 percent — to 17.6 deaths per 100,000 people, up from 13.7 — from 1999 to 2010. That period included the recession and the mortgage crisis.
Although suicide rates are growing among both middle-aged men and women, more men take their own lives. The suicide rate for middle-aged men was 27.3 deaths per 100,000, while for women it was 8.1 deaths per 100,000.
The most pronounced increases were seen among men in their 50s, a group in which suicide rates jumped by nearly 50 percent, to about 30 per 100,000. For women, the largest increase was seen in those ages 60 to 64, among whom rates increased by nearly 60 percent, to seven per 100,000.
CDC and researchers said they were confident that the data documented an actual increase in deaths by suicide and not a statistical anomaly. While reporting of suicides is not always consistent, the current numbers are, if anything, too low.
"It's vastly underreported," said Julie Phillips, an associate professor of sociology at Rutgers University. "We know we're not counting all suicides."
The reasons for suicide are often complex, and officials and researchers acknowledge that no one can explain with certainty what is behind the rise. CDC officials cited a number of possible explanations, including that as adolescents people in this generation had also posted higher rates of suicide compared with other cohorts.