If only 8% of long-term married couples have actually married their soulmates, what will be the chance that a newly wedded couple have? The average marriage length of our 9,957 long-term marriage sample is 15 years. Taking the current divorce rate for marriages of 15 years is 43%, for anyone who is getting married, the chance that they have married their soulmates is 3.4%. In other words, 1 out of 30 newly wedded couple would have found true love. The calculations are as follows: