Here.

A group of surveys taken from different years, different states, and different sources look at the reasons multiple couples get divorced.

The top 5 factors of divorce was

  • Infidelity
  • Lack of commitment
  • Alcohol addiction / substance abuse
  • Financial issues
  • Conflict / Irreconcilable differences

However, only three were constantly were listed for causing over half of divorces: Cheating, lack of commitment, and irreconcilable differences.

10.6% - 34.4% of ex couples listed substance abuse as a reason. 14% - 36.1% of former couples listed money issues as a reason.

Infidelity's play into a divorce varied the most (10% - 58%) but it was constantly listed as a major factor when surveying divorced people.

One more link: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0174129