Let's just stipulate that ALL politicians at the very least misstate unintentionally, and or deliberately lie.

Then It's just a matter of who's worst. There is an objective count:

The PolitiFact scorecard

http://www.politifact.com/personalities/donald-trump/

True8 ( 4%)(8)Mostly True22 ( 11%)(22)Half True32 ( 15%)(32)

Mostly False 32 (15%)(32)False76 ( 37%)(76)Pants on Fire 37 ( 18%)(37)

The PolitiFact scorecard

http://www.politifact.com/personalities/hillary-clinton/

True53 ( 22%)(53)Mostly True67 ( 28%)(67)Half True50 ( 21%)(50)

Mostly False 34 ( 14%)(34)False27 ( 11%)(27)Pants on Fire5 ( 2%)(5)

Hillary has some catching up to do because Trump is 'burying the needle' on the 'Mendacity Meter'. LOL!