Poll: about half the people say Clinton released tax returns, a little more than half know Trump did not

As far as you know have the following presidential candidates released their 2015 tax returns?

Hillary Clinton Donald Trump
Yes 53% 10%
No 18% 65%
Don't Know 29% 26%

Method: These findings come from a Center for Public Integrity/Ipsos poll conducted September 1-2, 2016. For the survey, a sample of roughly 1,005 adults age 18+ from the continental U.S., Alaska and Hawaii was interviewed online in English. More information about the methodology | Full poll results