This is who your partner is most likely to cheat on you with...

Unfortunately, cheating is a common occurrence these days.

But because of this, we're getting pretty good at identifying cheaters...

A new study, from the University of Colorado Boulder, has revealed that men report higher rates of extramarital sex.

The researchers - who analysed nine years worth of data, including survey responses from 13,030 people across America - found that the odds of a man reporting extramarital sex in his lifetime was 1.74 times greater than the odds of a woman reporting extramarital sex in her lifetime.

Furthermore, the odds of a man reporting extramarital sex during the past year was 2.31 times greater than the odds of a woman reporting extramarital sex in the past year.

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But the most shocking result of the study was who the cheaters cheated with.

“We found that about 53 percent of individuals who reported having extramarital sex in the past year did so with a close personal friend,” Lindsay Labrecque, the lead author on the study, says.

“This finding was somewhat surprising; an affair with a close personal friend seems to carry greater risk as both spouses may know or even be close friends with the extramarital sex partner.”

She continues: “Given the potential for greater fulfillment and closeness, extramarital sex with a close personal friend may also denote a stronger commitment to leave a marriage than extramarital sex with a casual date or someone who is paid for sex.”

In addition to close personal friends, about a third of respondents reported cheating with a neighbour, long-term acquaintance, or a co-worker.