MoneyRates.Com lists the best states for retirement based on economic factors (47%), crime (8%), climate (33%), and life expectancy(12%):
(1) Texas
(3) Oklahoma
(5) Louisiana
(10) Kansas
(15) Illinois
(20) Wyoming
(26) Delaware
(27) Colorado
(30) Idaho
(32) California
(35) Ohio
(40) New Jersey
(43) Washington
(45) Maryland
(50) Maine
http://www.money-rates.com/research-center/best-states-for-retirement/2011-complete-list.htm