The most commonly reported number one reason for divorce is a lack of commitment to the marriage.
What “lack of commitment” means
“Lack of commitment” usually shows up as one or both partners no longer putting consistent effort into the relationship, such as avoiding problems instead of working on them, withdrawing emotionally, or not following through on promises about change. In large surveys of divorced people, around three- quarters said this was a major factor in their breakup, making it more common than infidelity, money problems, or constant fighting.
How it differs from other reasons
Researchers and divorce professionals still list other leading causes like infidelity, ongoing conflict, financial issues, and substance abuse, but these are typically ranked below lack of commitment in frequency. Many of those other problems also tie back to commitment, because when partners are less committed, they are less likely to communicate well, seek help early, or repair damage after crises like affairs or financial stress.
