Last week, a new survey found that 17 out of 20 Americans plan on actively trying to change jobs this year.  So, if you're one of them . . . might as well NOT change to a job that'll have you on the street washing windshields by the fall.

--Forbes.com put together this list of the best and worst jobs for 2011.  They're based on five factors:  Pay, outlook, work environment, stress, and physical demands.  And the basic summary is . . . math is good, hard labor is bad.

--The best job for 2011 is . . . SOFTWARE ENGINEER.  The average pay is around $87,000, the stress and physical demands are low, and there's a lot of room for growth.

--The rest of the top five best jobs for 2011 are:  Mathematician . . . actuary . . . statistician . . . and computer systems analyst. 

--The worst job for 2011 is . . . ROUSTABOUT.  Fixing oil rigs is a low paying, extremely stressful, extremely dangerous profession with negative growth.

--The rest of the bottom five jobs are:  Ironworker . . . lumberjack . . . roofer . . . and taxi driver. 

More From Awesome 98