In US-based CareerCast.com's ranking of 200 jobs, which is based on income, work environment, stress, and career outlook, white-collar jobs dominate the best jobs list for this year, while the worst jobs of 2011 are nearly all blue-collar work. The 10 best jobs are dental hygienist, audiologist, historian, biologist, meteorologist, computer systems analyst, statistician, actuary, mathematician, and software engineer, with salaries in US dollars ranging from $63,144 to $94,178. The 10 worst jobs are construction worker, meter reader, painter, welder, emergency medical technician, taxi driver, roofer, lumberjack, ironworker, and oil rig roustabout, with salaries ranging from $21,126 to $35,126. Canoe.ca | CareerCast.com |