The 10 highest big-city suicide rates in the U.S. in 2004 (per 100,000 residents)

Las Vegas, Nev. -- 34.5%

Colorado Springs - 26.1%

Tucson, Ariz. - 25%

Sacramento, Calif. - 22.7%

Albuquerque - 21%

Mesa, Ariz. - 19.6%

Miami, Fla. - 17.1%

Denver - 16.2%

Jacksonville, Fla. - 15.6%

Pittsburgh, Pa. - 15.2%

Source: Big Cities Health Inventory: The Health of Urban America, 2007