About 66 percent of American divorced couples are childless, according to a Huffington Post article that looks at multiple studies, while 40 percent of couples with children have divorced.

"The absence of children leads to loneliness," author and journalist Anneli Rufus wrote as part of a Divorce Magazine list of 21 factors that increase the risk of divorce.

Couples without children are prone to divorce issues, according to NewYorkDivorceLawyer.net, and studies are showing it could stem from sexual incompatibility. Childless couples also show symptoms of anxiety and depression.

Yet Laura Carroll, author of "Families of Two: Interviews With Happily Married Couples Without Children by Choice," told the Huffington Post many childless couples are happy, because they "have more time, energy and money to spend on their careers, friends, each other and themselves."

Huffington Post writer Vicki Larson shows that divorce rates among the childless have been significantly higher for more than a half century. She suggests that while children may not always be the glue that holds a marriage together, "the childfree don't have that motive, so there's no reason to stay together if it's not working."

Because childless couples do not have to worry about child welfare and custody issue to work out, the divorce process is often much simpler, and it becomes a matter of asset division, property distribution and in some cases spousal support, according to TotalDivorce.com.

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