What Is the Divorce Rate in America?

People tend to think that more than 50 percent of couples get divorced every year in America. But that's not true. Here's what is.

Everyone knows couples who have gotten divorced. That’s partly why the notion that more than half of all marriages in the U.S. end in divorce sounds perfectly reasonable to many. But here’s the thing: it’s not really true. So, what, then, is the actual divorce rate in America? Most people couldn’t tell you. Not even sociologists know it. Or rather, they can’t answer the question that precedes the divorce rate question: “What are the chances my marriage will end in divorce?”

The U.S. divorce “rate”, on its face, isn’t complicated. Looking at the total number of divorces in a year among the total U.S. population, the Centers for Disease Control and Prevention found there were 3.2 divorces per 1,000 people in 2016. But it’s about how that number is figured out.

“It’s a good metric but it’s crude,” says Howard J. Markman, Ph.D., a psychology professor and co-director of the Center for Marital and Family Studies at the University of Denver.

There are a few reasons why this number is imprecise. The latest CDC marriage and divorce stats are based on data reported by just 44 states and Washington, D.C. What’s more, some states report marriage counts but not divorce counts and vice versa, says Krista K. Payne, Ph.D., a data analyst at the National Center for Family and Marriage Research at Bowling Green State University in Ohio. California, for example, isn’t included in the CDC’s crude divorce rate. Data collection isn’t uniform either, so states can do it however they want. Historically, states are better at collecting data on marriages; they’re more much more lax regarding divorces.

But there are other reasons why the crude divorce rate isn’t a useful measure to consider when looking at divorce risk.

“It makes less sense to do a crude rate,” Payne says. “Because when you’re looking at the total population, that includes people who aren’t married. If you’re not married, your risk of divorce is zero. But [researchers] use those vital stats because that’s what they have.”

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Another simple way sociologists have looked at divorce rates is to compare the number of divorces that happen in a year with the number of marriages in a year, or comparing the flows in and out, says Betsey Stevenson, a labor economist and professor at the University of Michigan who served on the White House Council of Economic Advisers during the Obama administration.

“If the same percentage of people marry every year, it should balance out, is the thinking,” she says. “But it ignores how many people are already married. If 100 people get married this year and 100 people divorce, the divorce rate is 100 percent.”

That flow-in-and-out measurement is where the one-in-two figure came from, Stevenson says. It’s not useful, she says, because, “People marrying today are different and their patterns of marriage look different.”

As an example, Stevenson says that if her daughter wanted to figure out her risk of dying of lung cancer someday, it wouldn’t be very revealing to look at how many people in her grandparents’ generation were dying of the disease. Cigarette smoking rates have dropped so dramatically over the past few decades that the risk of someone born in the 2000s would be very different than the risk for someone born in the ’50s. Although people’s ability to stay together and not divorce isn’t likely to change as much as the number of people in the U.S. who smoke, her analogy illustrates how lumping different age groups into a figure can muddy its significance for different demographics.

The Baby Boomer Factor

As Stevenson pointed out, one of the biggest problems with national divorce averages is that they include baby boomers, a group that, statistically, is very prone to divorce. One reason why they divorce a lot is because they get married a lot. Boomers — that is, people born between 1946 and around 1964 — generally married young, which is, per Payne, one of the biggest contributors to divorce risk. Researchers, however, are starting to tease out the differences in divorce among different age groups

In a new study, University of Maryland sociologist Philip N. Cohen used data from the CDC’s American Community Survey (ACS), which began collecting information about marriage and divorce in 2008, to determine that the proportion of married women who divorce each year dropped 18 percent in the last decade. All of that decline was among women under 45 years old.

Also interesting, Payne says, is that among 20 to 45 year olds, the divorce rate in 2014-16 is lower than the divorce rate among the same age group in 2008-10. Among those older than 45, the divorce rate is nearly identical at both points in time.

“That means that any difference in overall rates between the two time periods is being driven by the lower rates among the 20 to 45 year olds,” she says. “The main story here is that the characteristics of women, particularly millennial women, who are married today, are very different from the characteristics of their parents. This really is looking at two different cohorts.”

In fact, baby boomers dying off “all but guarantees” a decline in the risk of divorce in the coming years, Cohen noted in his paper. The authors of an earlier paper, titled “Breaking Up Is Hard to Count,” came to a similar conclusion, noting that if current trends continue, two-thirds of couples might not divorce.

In addition, Cohen discovered that women who reported getting married in the year before the survey tended to have a lower “divorce-risk profile,” meaning they were likely to be older, in their first marriages, and to have a college degree and no children in their households — all traits associated with a lower risk for divorce.

The Changing Shape of Marriage

Although it’s nice that divorce rates are dropping, there are other contributing factors in addition to the boomer effect. The number of people getting married has fallen quite a bit, too, so there are simply fewer marriages to split up. The number of unmarried adults is at a record high of 20 percent, according to a 2014 Pew Research Center report. In 1960, 68 percent of 20-somethings were married; in 2008, that number was only 26 percent. An earlier Pew poll revealed that 39 percent of respondents said marriage is now obsolete.

Marriage has become more about status than necessity, Stevenson found in her research. Today, marriage is more likely to be an end goal after couples get all their ducks — such as completed college degrees and good jobs for both partners — in a row. Poorer couples are more likely to get married hoping for a greater level of financial stability, which can put a lot of pressure on a marriage. College grads are less likely to think marriage should provide financial security and more likely to look to themselves to provide it.

In addition, according to Payne, the median age of men and women getting married for the first time has climbed in the last several decades, which makes divorce less likely because marrying young is such a strong predictor of divorce. In the early 1980s, the median age for men to marry was 25 and 22 for women, whereas today the median age for men is 29 and 27 for women.

Regardless, it’s still somewhat surprising that divorce rates are dropping considering how socially acceptable divorce is compared to what it used to be. So it’s likely the drop reflects that the pool of people getting married is narrowing.

“The U.S. is progressing toward a system in which marriage is rarer, and more stable, than it was in the past, representing an increasingly central component of the structure of social inequality,” Cohen wrote in his study abstract.

In other words, falling divorce rates don’t necessarily mean that millennials are acing marriage as much as it means that marriage itself is becoming a more specialized institution reserved for elites. Among the poor and uneducated, Payne adds, divorce rates are pretty much the same as they were in the 1980s.

“What we’re seeing with millennials is one, they’re much less likely to get married than the previous generation, so marriage itself is getting more selective,” Payne says. “Marriage also trends among the college-educated population, and college educated people are the least likely to divorce.”

She also notes that white and Asian women have higher marriage rates than black women and native-born Hispanic women, who both have higher rates of divorce.

“So the types of people who are getting married are also the least likely to get divorced,” she says. “That’s why they’re anticipating a decreasing divorce rate in the coming years.”

Nailing down the numbers

That divorce rates are dropping goes against conventional wisdom, Cohen wrote in a blog about his research. Between 1960 and 1980, the “crude divorce rate” went from 2.2 to 5.2, an increase of 136 percent, which inspired some freaking out about the dissolution of the American family.

Other experts, however, disagree a bit about some of the reasons divorce rates were so high in the 1970s. Many point to the rise of no-fault divorces as a big reason for the spike, but although changes in divorce law during that decade might have sped up divorces, they didn’t really lead to an increase in their number, Stevenson says. What’s more agreed upon is that divorce in America has declined since the 1980s, and in fact has fallen pretty steadily over the years.

The latest figures indicate that the overall divorce rate is the lowest it has been since 1970, at 16.7 per 1,000 in 2016. This is the “refined” rate, which looks at the total number of married women, who are thought to be better reporters of personal information than men tend to be, Payne notes.

“Using data from the ACS and calculating a rate that specifies married women, you’re looking at the risk of people who could actually divorce,” she says. The ‘first divorce rate,’ or the number of marriages that ended in divorce per 1,000 first marriages for women 18 and older, was 15.4 in 2016, according to research by the National Center for Family and Marriage Research at the Bowling Green State University. As noted earlier, black women experience divorce at the highest rate, 26.1 per 1,000, and the rate is lowest for Asian women at 9.2 per 1,000.

Ideally, you’d get the most accurate picture of divorce risk by following married people over time, Payne says. So you’d look at, say, all the marriages that started in 1993, and then look at who’s still married in 2018. But that kind of longitudinal data is harder to come by, not to mention expensive to do. The best estimate, based on projections, is that 45 percent of marriages will end in divorce.

But it’s important to ask how useful it is to compare — or worry — what impact that number should have on your life?

“The way people have talked about the divorce rate for so long has been wrong,” Payne says. “It’s important to talk about social problems, but we need to be specific about what we’re defining. Lumping things together that shouldn’t be isn’t helpful.”

It might be wise, then, to look at divorce rates in the appropriate context rather than inflate their importance, especially when family formation patterns are changing over time, Stevenson adds.

“People should think about how they define success,” she says. “Is it never divorcing, or 30 years of marriage in which most are pretty good but after 30 years you decide to go in a different direction? I think it’s a hard question, particularly when there’s a lot of longevity.”