Results for this Gallup poll are based on telephone interviews conducted Dec. 8-11, 2014, with a random sample of 805 adults, aged 18 and older, living in all 50 U.S. states and the District of Columbia. For results based on the total sample of national adults, the margin of sampling error is ±4 percentage points at the 95% confidence level.
http://www.gallup.com/poll/180230/drop-among-nonwhites-drives-police-honesty-ratings-down.aspxAlso:
http://www.gallup.com/poll/180227/confidence-police-average-wealthy-countries.aspx
