In 1985 most people said they had 3 close friends. In 2004 the most common number was zero.

Via Social: Why Our Brains Are Wired to Connect:

In a survey given in 1985, people were asked to list their friends in response to the question “Over the last six months, who are the people with whom you discussed matters important to you?” The most common number of friends listed was three; 59 percent of respondents listed three or more friends fitting this description.  Read More