The Canadian Polyamory Advocacy Association (CPAA) conservatively estimates that there are 1,100 polyamorous families in Canada, while an informal survey by the Vanier Institute of the Family found that of 547 respondents, more than two-thirds identified as polyamorous.

How many polyamorous relationships are there?

Polyamory is a sexual preference that is practiced by some people in the United States. Polyamory constitutes 4 to 5 percent of people living in the United States. This equates to about 17.5 million people. 20 percent of the US population has practiced it at some point of their life in the United States.