The Daily Stat: Unimportant Posts Can Get You Unfriended on Facebook

The number 1, 2, and 3 reasons why people get unfriended on Facebook are: Frequent, unimportant posts; posts about polarizing topics such as politics; and inappropriate posts, such as racist comments, according to research by Christopher Sibona, a graduate student at the University of Colorado Denver. 57% of respondents to his survey unfriended for online reasons, while 27% did so for offline behavior.

Source: Business School student finds top reasons for Facebook unfriending