"Forbes Advisor commissioned a survey of 1,000 Americans who are divorced or who are in the process of divorcing to discover why marriages fail. Based on this data, here are some of the most likely reasons marriages come to an end."
https://www.forbes.com/advisor/legal/divorce/common-causes-divorce/
"Third Marriages Have the Highest Divorce Rate—73%
Many people accept it as fact that half of all marriages end in divorce, but as mentioned above, this applies only to first marriages. Those who wed multiple times face a far higher rate of divorce. In fact, 67% of second marriages end, and 73% of third marriages are dissolved."
https://www.forbes.com/advisor/legal/divorce/divorce-statistics/
"a total of 6% of divorced couples get remarried to each other. When this occurs, the odds of future success are high. A full 72% of reunited couples remain married after reuniting"
"Couples who have friends who divorce have a 75% increase in the risk of their own marriage ending. Even couples with two degrees of separation from divorce still have a 33% greater risk."
"In some countries, it is not possible to divorce at all. Neither The Republic of the Philippines nor Vatican City permit divorce"