How Long Do Most Marriages Last Before Divorce?

What Does the Data Say About Marriage Duration?

According to the U.S. Census Bureau's American Community Survey, the median duration of first marriages that end in divorce is approximately 7 years, while the average (mean) duration is closer to 8 years. This distinction matters because a few very long marriages that eventually end in divorce pull the average higher than the median.

The often-cited "seven-year itch" has some statistical basis. Research from the National Center for Family & Marriage Research shows that divorce rates peak between years 5 and 8 of marriage, with approximately 20% of first marriages ending within the first 5 years and roughly 33% ending within the first 10 years.

How Do Demographics Affect Marriage Duration?

Several factors significantly influence how long marriages last:

Age at Marriage Couples who marry after age 25 have substantially longer marriages on average. Those who marry before age 20 face a divorce rate nearly twice as high as those who marry between 25 and 29. Understanding these patterns can help when planning for divorce or evaluating your situation.

Education Level College-educated individuals experience longer marriages on average. According to Bureau of Labor Statistics data, women with a bachelor's degree have a 78% chance of their first marriage lasting at least 20 years, compared to 40% for those without a high school diploma.

Geographic Location Marriage duration varies considerably by state. States in the Northeast tend to have longer-lasting marriages, while some Southern and Western states see shorter average durations. State-specific divorce laws also affect how couples navigate the end of a marriage, including waiting periods and residency requirements.

What About Marriages That Don't End in Divorce?

It's worth noting that roughly 50-60% of first marriages in the United States do not end in divorce. Many marriages last until the death of a spouse, with the average intact marriage lasting over 20 years. Second marriages statistically have higher divorce rates (approximately 60%) and shorter average durations than first marriages.

How Has Marriage Duration Changed Over Time?

Marriage duration has actually increased slightly over recent decades. In the 1970s, the average marriage ending in divorce lasted about 7 years. Today, that figure has risen to approximately 8 years. This shift coincides with couples marrying later in life and overall divorce rates declining since their peak in the 1980s.

The crude divorce rate has dropped from 5.3 per 1,000 people in 1981 to approximately 2.3 per 1,000 in recent years, though measurement methodologies have evolved. Learn more about current trends in our divorce statistics overview.

What Should You Consider If Contemplating Divorce?

If you're evaluating your marriage, duration is just one factor among many. The divorce process varies significantly by jurisdiction, and understanding terms like legal separation versus divorce can help you make informed decisions. Factors like property division rules, spousal support guidelines, and child custody arrangements all depend on your specific state's laws.

Consulting with a qualified family law attorney in your jurisdiction can provide personalized guidance based on your circumstances, regardless of how long your marriage has lasted.