Author Archives: Philip N. Cohen

Made in America, by immigrants: children

Immigrants make a lot of great things in the USA, like communities and ideas and political organizations. And they also make American children. So for Made in America Week, a quick look at children born in the U.S. whose parents were not. That is, children made in America by immigrants.

For this table I used the American Community Survey, made available by IPUMS, and selected children ages 0-17 who live with two parents. Then I narrowed that group down to those for whom both parents were born in one of the top 20 countries (or regions), from those listed in the birthplace variable (described here), including the USA. The table shows the birthplace of mother and father (same-sex parent couples are excluded). The blue outer band shows the children who have at least one US-born parent. The green diagonal shows the number of children with two parents who immigrated from the same country. For the rest, the colors highlight larger cells, growing darker as cells surpass 1000, 5000, and 10,000. I’ll mention a few below.

You’ll have to click to enlarge:

Children made in America by immigrants

The green cells are the largest in each row and column, except the blue US-born-parent cells. In most cases the green cell is larger than the blue ones — for example, there are 3.5 million U.S. born children who live with two Mexican-born parents, outnumbering the 950,000 who have a Mexican-born father and U.S.-born mother, and 650,000 in the reverse case. But in some cases the green cell is very small, for example England, as there are more than 100,000 children with one England-born and one U.S.-born parent, but only 4,000 who have two England-born parents.

In other cases there are big gender differences reflecting migration and marriage patterns. So there are 10,000 children with a Chinese-born mother and Vietnamese-born father, but only 6,000 of the reverse. Also, in the case of Asia parents, there are more U.S.-born kids with Asian-born mothers and U.S.-born fathers than the reverse, presumably reflecting the greater tendency of Asian women to marry White men (this doesn’t apply to Laos and India).

Anyway, happy Made in America week.

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See you in court, Mr. President (about that Twitter account blocking)

On June 7, I described how President Trump’s Twitter account blocked me, and the argument for why that violates the First Amendment. I can now report that the Knight First Amendment Institute at Columbia University has filed a lawsuit on my behalf demanding that the President unblock us. The other plaintiffs are Trump-blocked Twitter users as well: Rebecca Buckwalter, Holly Figueroa, Eugene Gu, Brandon Neely, Joseph Papp, and Nicholas Pappas (the Knight Institute is also a plaintiff). The announcement is here.

This was the tweet I sent 15 minutes before discovering I was blocked by @realDonaldTrump:

last tweet to trump

Our argument is that the President created in his Twitter stream a “designated public forum,” and he can’t legally exclude people from that based on their political views.

Here’s my part of the story, as told to the Knight communications team:

I’m okay with the fact that the candidate I wanted lost the election. Our family was upset by the outcome, but I approached this like a civics lesson for the children: We told them that this is a democracy, and the next best thing to winning an election is using the democratic process to speak up. It is all of our responsibility to use the tools we have to engage in our democracy.

Social media are among the most effect tools I have to speak out. I have a blog and as a professor I publish academic writings, but Twitter gives me the broadest audience most immediately. For example, I’m delighted when I write a blog post that is read by a few thousand people. But because of my audience on Twitter, I can reach as many as 100,000 people with one of my tweets replying to the president. It’s true that there are some people who use the reply threads on Twitter just to trade insults, which may not be the most productive sort of conversation. But they also allow you to see a range of opinions of people who agree or disagree. Since I’m not a political commentator by profession, and I’m a parent, Twitter is the only way I can connect with that many people with just a few minutes of time every day (it helps that he and I seem to wake up at the same time in the morning so I can reply right away).

Being blocked by Trump diminished my ability to respond and engage in the political process. There has been measurable impact on my ability to be heard. Yes, I can still say what I want to say, but not to those I want to speak to, when I want to say it or in the way that means the most to me. It’s disempowering to be prohibited from speaking. And I’m troubled that the president can create a space on Twitter — where there are millions of people — that he can manipulate to give the impression that more people agree with him than actually do.

The complaint specifies:

Defendants’ blocking of Professor Cohen from the @realDonaldTrump account
prevents or impedes him from viewing the President’s tweets; from replying to these tweets; from viewing the comment threads associated with these tweets; and from participating in the comment threads.

If I complained about random citizens blocking me on Twitter, you could call me a whiner or a snowflake. But the President is not a random citizen, he is a public official — even, yes, my president — and complaining about him blocking me from his official public forum is not a personal beef, it’s a Constitutional obligation. That’s why we have a Constitution, and the court system to enforce it.

Here is the Knight Institute’s original letter demanding that he unblock his critics, sent prior to filing the suit. Attorney Alex Abdo has responded to some objections to their approach in this post. Here are the stories of the plaintiffs.

I’m happy to talk more about this, in coordination with the legal team. Wish us luck!

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A step toward civilization (and have more children), Shanghai edition

Over the course of two weeks in China, I saw several versions of signs like this:

IMG_1319

“A small step forward, a big step for civilization” (向前一小步, 文明一大步).

This one is posted in the old-town section of Nanxun (now a tourist attraction), naturally, above a urinal.* Invoking civilization may be overblown for the problem of men standing too far away (which didn’t seem to be especially extreme, compared to U.S. urinals), but China has a long tradition of using dramatic slogans to call citizens to higher common purpose. Here was one that struck me, in downtown Shanghai:

20170619-DSC_0587

Every family striving to become a civilized family; everyone involved in its creation (家家争做文明家庭; 人人叁与创建活动).

This is from the Shanghai public health authorities. (No, I don’t know Chinese, but I love trying to use a dictionary, and I ask people.) The fascinating thing about that is the composition of the civilized family pictured: father, mother, two grandparents, and two children. 

Fertility rates in China are well below replacement level, as they are in other East Asian countries, meaning the average woman will have fewer than two children in her lifetime and the population will eventually shrink (barring immigration). China’s total fertility rate nationally is probably at about 1.5. In Shanghai, a metro area with some 20 million people, the norm was already one child per family before the one-child policy was implemented in 1980, and fertility has continued to fall; it most recently clocked in at a shockingly low .88 per woman as of 2008.

Reasons for ultra-low fertility are varied and contested, but likely culprits include expensive housing and education costs for children. It was reported to me informally that about half of children can go to college-track high schools instead of vocational schools, and that is determined by a standardized test administered at the end of middle school. That puts tremendous pressure on parents with middle-class aspirations. Which helps explain the extensive system of expensive supplemental private education, as promoted by this ad I saw in an upscale mall:

IMG_1100

School advertisement, Shanghai

The website for this company promises, “Super IQ, Wealth of Creativity, Instant Memory Capacity.” How many kids are you going to send to this private program?

One of the five perfect, super-involved parents at the parent-child class is a man, which may or may not seem like a lot. Of the many people taking their kids to school on scooters, I didn’t see a lot with more than one child, and the only picture I got was of one piloted by the apparent dad (note also something you don’t see here much: schoolboy in pink shirt):

IMG_1092

Man taking children to school, Shanghai

This recalls another probable cause of low-low fertility, the gender-stuck family and employment practices that keep women responsible for children and other care work (scooter dads notwithstanding). In conjunction with women outperforming men in college graduation rates these days (as in the U.S.), this indirectly reduces fertility by leading to delayed marriage, and directly reduces fertility by causing parents to decide against a second child.

20170625-DSC_1094

Grandparent, parent, child, in Hangzhou

The weak system of care hurts on both ends, with people having fewer children because raising them is expensive, and people needing children to take care of old people because public support is lacking. This may be one reason why grandparents can have a positive effect on parents’ motivation to have children, as reported by Yingchun Ji and colleagues (including Feinian Chen, who hosted my visit). The fact that it is common for grandparents to provide extensive care for their grandchildren, as Feinian Chen has described (paywall), presumably helps strengthen their pronatal case.

Lots of pictures of grandparents taking care of a single grandchild to choose from. Here’s one, from the (awesome) Shanghai Museum:

20170619-DSC_0623

Grandparent and child, Shanghai

The one-child policy ended in 2016, and couples no longer have to get permission to have a first or second child (but they do for a third or more). This change alone, although a better-late-than-never thing, may not do much to increase birth rates. That is the conclusion from studies of families for whom the policy was relaxed earlier. Sadly, although birth rates were already falling dramatically in the 1970s and the one-child policy was not responsible for the trend, the policy still (in addition to large scale human rights abuses) created many millions of one-child families that will struggle to meet intergenerational care obligations in the absence of adequate public support. (Here’s a good brief summary from Wang Feng, Baochang Gu, and Yong Cai.)

This is a challenge for civilization.

The pictures here, and a few hundred more, are on my Flickr site under creative commons license.


Americans who love the funny translations of signs in China may be in for some disappointment, as the Standardization Administration has announced plans to implement thousands of stock translations in the service sector nationwide.

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Teaching Black family history in sociology, student resistance edition

There is an amazing story from a family sociology class at the University of Tennessee. I don’t know the whole chronology of the reports, but I read pieces from As It Happens, BET, the local news. The gist of it is that there was an ambiguous quiz question about Black slave families, and when a Black student named Kayla Renee Parker complained, it led to her making a rebuttal presentation to the class, and then the White instructor, Judy Morelock, going on an abusive, racist social media rant and getting fired.

Before the details, my conclusions:

  • Good test questions are important, and as a teacher it’s OK to admit you’re wrong or there is ambiguity.
  • Two things are true: Black families were devastated by slavery and as a generalization most Black children under slavery lived with both parents.
  • There is a line, but not a straight line, between Black families under slavery and those under today’s system of racial domination.
  • Students who do research, honestly engage the material, and bring passionate or political arguments to class should have their courage and commitment encouraged, not punished.
  • Some White people who say they are against racism, and maybe even are against racism, are also racist and hate students.
  • Social media is public, so expect consequences.

The story, and then my approach, follows.

The quiz

Here is the question at issue:

Historical research on African-American families during slavery shows that:

A) Family ties weren’t important in African cultures where the slaves ancestors originated; consequently, family bonds were never strong among slaves.

B) Two-parent families were extremely rare during the slave period.

C) Black family bonds were destroyed by the abuses of slave owners, who regularly sold off family members to other slave owners.

D) Most slave families were headed by two parents.

Parker chose C, but Morelock said the correct answer is D. In a back and forth that Parker put on her Facebook page, she pointed out that the textbook talked about “disruption of families through sale of family members,” and Morelock countered that “bonds were maintained among family members who were geographically separated” referring to people passing information between plantations. These are long-running and unsettled issues in the historical scholarship. If you revise answer C to read “bonds were often destroyed” then it is obviously true. If you take a legalistic approach you could say, “family bonds were destroyed” means all bonds, so C is incorrect. This is not a good argument for a teacher to have. Correct the ambiguity, figure out how to handle the points, take it as a teaching opportunity, and move on.

In fact, there appears to have been one good outcome, which was Parker making a very good presentation to the class (video in the As It Happens story). If that was the end of it, we never would have heard. Maybe it’s good that it wasn’t the end of it, though, because when Morelock’s Facebook posts came out we might agree it’s just as well that the incident led to her being fired. The posts are in the BET story, and include Morelock calling Parker (thought not naming her), “ignorant simple-minded,” and threatening to ruin her reputation after the end of the semester, specifically saying, “I will post her name, her picture, and her bio on Facebook, Twitter, Instagram, and Linkedin. Count on it.” Wow. (She also says Parker was spreading “venomous rumors” about her, which I don’t see reported.)

Many teachers complain about their students on Facebook. If you have reasonable complaints, don’t compromise their identities, don’t reveal or advocate unprofessional or vindictive behavior, and don’t be really racist, I think this is ethically defensible. It’s like a teaching workshop, or talking about your job in the staff lounge. But it’s risky and if you screw up you can get fired (which might or might not be a good thing).

The key thing is always, “If there was a hidden camera here or someone hacked my account, would I be able to defend my behavior?” If the answer is yes, you might still be taking a risk to talk about students, but at least you can live with yourself.

Anyway, as far as what I see in the classroom video and Facebook post of her email exchange, I have nothing but kudos for Parker although I might argue with her a little, too. If she did bad things elsewhere, she shouldn’t have.

Classroom exchange

In Parker’s presentation, she quotes Frederick Douglass saying it was “common custom” where he was born “to part children from their mothers from a very early age.” This is good evidence in favor of Answer C. Obviously experiences varied dramatically across the slave system and over time. Throwing down over a generalization like “most” is not really worth it.

She added, “We continue to see those impacts today and that’s why I believe that family bonds were destroyed.” She says Morelock told her she can’t teach by anecdotes, and she countered that we have to pay attention to the stories of real people affected. This is a really good argument to have, in theory.

Parker recommends The New Jim Crow, and Slavery by Another Name, and she says of the present “it’s by a different name, it’s still slavery in itself. … Slavery is still continuing to destroy the Black family” because of the “prison industrial complex.” She cites an article by Rose Brewer, “Black Families Imperiled by Growth of Nation’s Prisons Industrial Complex.”

Finally Parker says Morelock recommended some books, one of which was a 1998 edition of Minority Families in the United States, by Ronald Taylor, which she said was good but should be more current.

It’s really an excellent presentation. If you care about educating students, this would make you happy (again, not knowing what else may have happened off camera). At the end Parker takes questions, and Morelock pipes up, saying in part (my transcript):

I don’t have a lot of recent books, because the publishers just don’t send us books the way they used to. And I’ve been using [Andrew] Cherlin [Public and Private Families] for many, many years, the book you have in this course. He says the same thing, and that book is in its seventh edition. If there had been additional sociological research since he wrote that book I would think that it would appear in it, but it doesn’t. So I have to go by what my discipline shows, and I understand no matter how much I revere and respect a historical figure like Frederick Douglass, who was absolutely one of the bravest, most articulate persons of his generation, and highly respected, I still have to go with what has been done systematically, the kind of systematic methods that did not exist at that time, when sociology was still in its infancy. So, in the 70s, you know, the research that was done, with historical documents, on Black families demonstrated that people forged bonds, this is written by sociologist Ronald Taylor, he also happens to be African American, I don’t think he would try to minimize the effects of slavery, which I never ever ever would myself, and he talks about studies here [she quotes Taylor on the strong bonds in Black families, and how they maintained them even when they were separated] … Nonetheless, as I said, no one has to accept the sociological point of view. All students in my class, as is always the case, are free to make up their own minds, in fact I encourage it, and I always encourage you to do as Kayla did, do more research, find out more information about a topic, and come to your own conclusions.

Aside from the giant red flag of calling Frederick Douglass “articulate,” this is a reasonable argument. Although it’s sad that Morelock doesn’t keep up with the literature, and her reliance on authority rather than reason and analysis is bad, the truth is her facts are pretty current. Even though she’s racist, it’s not her take on the history that makes her racist. The prison industrial complex is important but it’s not the same thing as slavery breaking up families, it’s a different but related thing. (Incidentally, Cherlin has a good newer book about working class families that addresses some of this; my review is here.)

It’s not surprising we’ve been arguing about this for a century or so. It’s complicated. Here is the trend, back to 1880, in the proportion of Black children ages 0-14 living with married parents. There are issues with the data and measurement, but this basic pattern holds: the share of Black children living with two married parents increased after the end of slavery, and fell a lot more later:

black children married parents 1880-2015

Of course, some students would also get mad if you said, “slavery destroyed all Black families,” which isn’t true either. I don’t agree with the first part of the BET headline, “Professor Denies Slavery Destroyed Black Families And Threatens Student Who Called Her Out,” but because the second part is true I have no interest in defending her.

My version

Anyone who teaches this material should wrestle with this. Here’s what I have in the first edition of my book, in the history chapter (there is much more current material in the subsequent chapter on race and ethnicity). I would be happy to hear your response to this:

Families Enslaved

African families had gone through their own transitions, of course, of a particularly devastating nature. From the arrival of the first slaves in Jamestown in 1619 until the mid-1800s, Africans were forcibly removed from their homelands in western and central Africa and subjected to the unspeakable horrors of the Middle Passage aboard slave ships, slave auctions, and ultimately the hardships of plantation labor in the American South (as well as in the Caribbean and South America). Because they were thrown together from diverse backgrounds, and because their own languages and customs were suppressed by slavery, we do not know how much of slave family life was a reflection of African traditions and how much was an adaptation to their conditions and treatment in America (Taylor 2000).

But there is no doubt that family life was one of the victims of the slave system. The histories that have come down to us feature heart-wrenching stories of family separation, including diaries that tell of children literally ripped from their mothers’ arms by slave traders, mothers taking poison to prevent themselves from being sold, and parents enduring barbaric whippings as punishment for trying to keep their families together (Lerner 1973). In fact, most slaves only had a given name with no family name, which made the formation and recognition of family lineages difficult or impossible (Frazier 1930). Slave marriage and parenthood were not legally recognized by the states, and separation was a constant threat. Any joy in having children was tempered by the recognition that those children were the property of the slave owner and could be sold or transferred away forever.

Nevertheless, most slaves lived in families for some or all of their lives. Most married (if not legally) and had children in young adulthood, and most children lived with both parents. This was especially the case on larger plantations rather than small farms, because slaves could carve out some protection for community life if they were in larger groups, and husbands and wives were more likely to remain together (Coles 2006). Even if they had families, however, African Americans for the most part were excluded from the emerging modern family practices described in the next section until after slavery ended.

Relevant references:

Coles, Roberta L. Race and Family: A Structural Approach. 2006. Thousand Oaks, CA: Sage.

Frazier, E. Franklin. 1930. “The Negro Slave Family.” The Journal of Negro History 15(2):198–259.

Lerner, Gerda. 1973. Black Women in White America: A Documentary History. New York: Vintage Books.

Taylor, Ronald L. 2000. “Diversity within African American Families.” In Handbook of Family Diversity, edited by David H. Demo, Katherine R. Allen, and Mark A. Fine, pp. 232–251. New York: Oxford University Press.

And in our teaching materials, we address it this way, with a multiple choice question:

Most African American slave children lived with: A. grandparents. B. unrelated adults.  C. one parent. D. both parents [D is correct].

And an essay question:

Describe the impact of slavery on the family structure of African Americans throughout U.S. history.

Answer guide: Students should address the lost customs and languages of diverse Africans brought as slaves. Social scientists are often unsure which of the resulting cultural features of African American family life are held over from African traditions and which are adaptations to slavery. Family lineage was difficult or impossible to trace. Separation of parents and children was common. After the Civil War, African American families were legally recognized, and some were reunited. Emerging African American families were more egalitarian in gender roles and had strong extended family and kinship networks.

This story has good lessons about a number of things that scare people who teach family sociology (and lots of other people, too): being wrong, being called racist, and getting fired for saying something on Facebook. Good chance to reflect on teaching, which is hard, but also great.

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Trump blocked me on Twitter and that violates the Constitution

On Twitter, users have the option of blocking other users, which prevents them from viewing the blocker’s tweets, getting notified when they tweet, and participating in the comment thread below the blocker’s tweets. Apparently, Donald Trump’s Twitter account has started blocking people who criticize him. As of yesterday, I’m one of those people.

blocked

Yesterday, the Knight First Amendment Institute, a new outfit with a hefty endowment at Columbia University, sent a letter to the President outlining why this practice violates the First Amendment and demanding that he unblock users. You can read the letter here, but the gist of it is that the President’s account operates as a “designated public forum” for the federal govnernment and that suppressing speech on the basis of people’s political beliefs in that context is illegal. (See coverage here and here, and an argument against this logic here.)

Here is Trump spokesperson Sean Spicer explaining that Trump’s tweets are “official statements by the President of the United States”:

My case illustrates how Trump created a public forum, used for official purposes, and then excluded me from participating in that forum on the basis of my political opinions.

When Trump was elected I made a case for “drawing a new line through the political landscape: for versus against Trumpism,” and oriented my political activity as a citizen accordingly. It turns out that the most efficient way I could get this message out was in the Trump threads on Twitter, by making simple memes stating opposition to Trump or mocking him. It’s not a sophisticated operation, but it didn’t take up very much of my time, and for the effort I think it had good results. (Maybe because my Twitter identity is “verified” or I have a relatively large number of followers, my tweets seemed to appear near the top of the thread if I posted them promptly.)

And I discovered that the Trump Twitter threads are a place to meet and argue with real people, strangers from other bubbles, about the most pressing issues of the day. Sure, most of the dialogue is pointless shouting and insults, which I am naturally way above, but not all of it, and for every person shouting there are many people reading along, who may be influenced by what they see. (For example, think of the young people living in Trump families described so well by Amy Harmon.)

My memes and statements were viewed by hundreds of thousands of people, according to Twitter’s analytics, often appearing right below a Trump tweet. Clearly, this is not what the President wants, but just as clearly it is one small part of how democracy works these days. Here are a few examples of images I made and posted, or comments, with links for people who aren’t blocked so you can see them, screen images to avoid that (if you follow the links you can see the discussion in the threads).

From June 4:

2

From June 3:

1

From June 6:

3

From June 2:

4

From May 31:

5

From May 28:

6

From May 18:

7

From May 16:

8

From May 13:

9

From May 7:

10

You get the idea. Maybe putting up these memes feels like carrying a sign at a protest, but in this case it’s a political forum organized by the President and limited to those he selects based on their political statements. I don’t know how this legal argument will fare in the courts, if it gets there, but in this case as in so many others, his actions are bad for democracy.

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2016 U.S. population pyramid, with Baby Boom

I’m finishing up revisions for the second edition of The Family, and that means it’s time to update the population pyramids.

Because it’s not so easy (for me) to find population by age and sex for single years of age for the current year, and because there is a little trick to making population pyramids in Excel, and because I’m happy to be nearing the end of the revision, I took a few minutes to make one to share.

The data for single year population estimates for July 1, 2016 are here, and more specifically in the file called NC-EST2016-AGESEX-RES.csv, here. To make the pyramid in Excel, you multiply one of the columns of data by -1 and then display the results as absolute values by setting the number to a custom format, like this: #,###;#,###. Then in the bar graph you set the two series to overlap 100%.*

In this figure I highlighted the Baby Boom so you can see the tsunami rolling into the 70s now. Unlike when I discuss cohorts previously, when I let it slide, here I actually adjusted this from what you would get applying the official Baby Boom years (1946-1964) with subtraction from 2016. That would give you ages 52 to 70, but the boom obviously starts ate age 69 and ends at age 51 here, so that’s what I highlighted. Maybe this has to do with the timing within years (nine months after the formal end of WWII would be May 2, 1946). Anyway, this is not the official Baby Boom, just the boom you see.

Click to enlarge:

2016 pop pyramid


* I put the data file, the Census Bureau description, and the Excel file on the Open Science Framework here: https://osf.io/qanre/.

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Intermarriage rates relative to diversity

Addendum: Metro-area analysis added at the end.

The Pew Research Center has a new report out on race/ethnic intermarriage, which I recommend, by Gretchen Livingston and Anna Brown. This is mostly a methodological note, which also nods at some other issues.

How do you judge the amount of intermarriage? For example, in the U.S., smaller groups — Asians and American Indians — marry exogamously at higher rates. Is that because they have fewer same-race people to choose from? Or is it because Whites shun them less than they do Blacks, which are also a larger group. To answer this, you can look at the intermarriage rates relative to group size in various ways.

The Pew report gives some detail about different groups marrying each other, but the topline number is the total intermarriage rate:

In 2015, 17% of all U.S. newlyweds had a spouse of a different race or ethnicity, marking more than a fivefold increase since 1967, when 3% of newlyweds were intermarried, according to a new Pew Research Center analysis of U.S. Census Bureau data.

Here’s one way to assess that topline number, which I’ll do by state just to illustrate the variation in the U.S. (and then I repeat this by metro area below, by popular request).*

The American Community Survey (which I download from IPUMS.org) identified people who married within the previous 12 months, whom I’ll call newlyweds. I use the 2011-2015 combined data file to increase the sample size in small states. I define intermarriage a little differently than Pew does (for convenience, not because it’s better). I call a couple intermarried if they don’t match each other in a five-category scheme: White, Black, Asian/Pacific Islander, American Indian, Hispanic. I discard those newlyweds (about 2%) who are are multiracial or specified other race and not Hispanic. I only include different-sex couples.

The Herfindahl index is used by economists to measure market concentration. It looks like this:

H =\sum_{i=1}^N s_i^2

where si is the market share of firm i in the market, and N is the number of firms. It’s the sum of the squared proportions held by each firm (or race/ethnicity). The higher the score, the greater the concentration. In race/ethnic terms, if you subtract the Herfindahl index from 1, you get the probability that two randomly selected people are in a different race/ethnic group, which I call diversity.

Consider Maine. In my analysis of newlyweds in 2011-2015, 4.55% were intermarried as defined above. The diversity calculation for Maine looks like this (ignore the scale):

me

So in Maine two newlyweds have a 5.2% chance of being intermarried if you scramble up the marriage applications, compared with 4.6% who are actually intermarried. (A very important decision here is to use the newlywed population to calculate diversity, instead of the single population or the total population; it’s easy to change that.) Taking the ratio of these, I calculate that Maine is operating at 87% of its intermarriage potential (4.55 / 5.23). Maybe call it a diversity-adjusted intermarriage propensity. So here are all the states (and D.C.), showing diversity and intermarriage. (The diagonal line shows what you’d get if people married at random; the two illegible clusters are DC+NY and WA+KS; click to enlarge.)

State intermarriage

How far each state is off the line is the diversity-adjusted intermarriage propensity (intermarriage divided by diversity). Here is is in map form (using maptile):

DAMP

And here are the same calculations for the top 50 metro areas (in terms of number of newlyweds in the sample). I chose the top 50 by sample size of newlyweds, by which the smallest is Tucson, with a sample of 478. First, the figure (click to enlarge):

State intermarriage

And here’s the list of metro areas, sorted by diversity-adjusted intermarriage propensity:

Diversity-adjusted intermarriage propensity
Birmingham-Hoover, AL .083
Memphis, TN-MS-AR .127
Richmond, VA .133
Atlanta-Sandy Springs-Roswell, GA .147
Detroit-Warren-Dearborn, MI .155
Philadelphia-Camden-Wilmington, PA-NJ-D .157
Louisville/Jefferson County, KY-IN .170
Columbus, OH .188
Baltimore-Columbia-Towson, MD .197
St. Louis, MO-IL .204
Nashville-Davidson–Murfreesboro–Frank .206
Cleveland-Elyria, OH .213
Pittsburgh, PA .215
Dallas-Fort Worth-Arlington, TX .219
New York-Newark-Jersey City, NY-NJ-PA .220
Virginia Beach-Norfolk-Newport News, VA .224
Washington-Arlington-Alexandria, DC-VA- .224
New Orleans-Metairie, LA .229
Jacksonville, FL .234
Houston-The Woodlands-Sugar Land, TX .235
Los Angeles-Long Beach-Anaheim, CA .239
Indianapolis-Carmel-Anderson, IN .246
Chicago-Naperville-Elgin, IL-IN-WI .249
Charlotte-Concord-Gastonia, NC-SC .253
Raleigh, NC .264
Cincinnati, OH-KY-IN .266
Providence-Warwick, RI-MA .278
Milwaukee-Waukesha-West Allis, WI .284
Tampa-St. Petersburg-Clearwater, FL .286
San Francisco-Oakland-Hayward, CA .287
Orlando-Kissimmee-Sanford, FL .295
Boston-Cambridge-Newton, MA-NH .305
Buffalo-Cheektowaga-Niagara Falls, NY .305
Riverside-San Bernardino-Ontario, CA .311
Miami-Fort Lauderdale-West Palm Beach, .312
San Jose-Sunnyvale-Santa Clara, CA .316
Austin-Round Rock, TX .318
Kansas City, MO-KS .342
San Diego-Carlsbad, CA .343
Sacramento–Roseville–Arden-Arcade, CA .345
Minneapolis-St. Paul-Bloomington, MN-WI .345
Seattle-Tacoma-Bellevue, WA .346
Phoenix-Mesa-Scottsdale, AZ .362
Tucson, AZ .363
Portland-Vancouver-Hillsboro, OR-WA .378
San Antonio-New Braunfels, TX .388
Denver-Aurora-Lakewood, CO .396
Las Vegas-Henderson-Paradise, NV .406
Provo-Orem, UT .421
Salt Lake City, UT .473

At a glance no big surprises compared to the state list. Feel free to draw your own conclusions in the comments.

* I put the data, codebook, code, and spreadsheet files on the Open Science Framework here, for both states and metro areas.

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