Demographics & Society
Population change, migration, family structure, and the social fabric — the long-run shifts beneath the headlines.
16 pieces
BlogNewThe University Shaped Like New York
What Wikidata's selected archive of notable alumni says—and cannot say—about NYU and 23 U.S. comparison universities.
BlogNewTwenty-Four Universities, Five Fingerprints
A clustering case study of occupational fingerprints in Wikidata's selected archive of notable university alumni.
BlogNewAmerica Ran Out of Common Names
A century of Social Security records shows the quiet collapse of the common first name — and that name fads now burn out twice as fast as they used to.
BlogNewLake Wobegon High — Fifty Years of Grade Inflation in American High Schools
In Garrison Keillor’s fictional town, all the children are above average. In actual American high schools, they are now mostly A students: the share of seniors reporting an A average has more than doubled since 1976, while truancy hasn’t…
BlogNewThe Alumni Factory
One million notable alumni of 250 institutions: what each school actually produces, and when its famous women finally appear.
BlogNewThe Great Withdrawal — How American Teens Stopped Dating, Working, Drinking, and Going Out
Dating. Going out at night. The after-school job. The first beer. The first everything. Across fifty years of surveys, every classic marker of teenage social life is in retreat at once — most of them starting their slide around 2010, non…
BlogNewThe Nobel Pipeline
A thousand laureates' education records show genius aging, migrating across the Atlantic, and passing through a startlingly small set of doors.
BlogNewThe Rhythm of a City
8.6 million reported incidents over 25 years give Chicago crime a legible pulse: hourly, weekly, seasonal — and three distinct eras.
BlogNewWho Gets Remembered
4.4 million Wikidata biographies, sliced by birth cohort, occupation and gender: a measurement of memory itself.
BlogFifty Years of American Evenings
Since 1974 the GSS has asked the same four questions: how often do you spend an evening with relatives, with friends, with neighbors — or at a bar? The answers trace a half-century in which company grew rarer, screens grew brighter, and…
TeachingLottery ZIP Psychographics: How Neighborhoods Play
Segment active NYC ZIP codes from NY Lottery behavior signals, then interpret the PCA/factor score space with borough, income, retailer availability, and product-mix profiles.
BlogReading Is a Girls' Country
Across 12,360 school districts, girls out-read boys in 99.9 percent. Math is contested ground — and which side wins tracks the district's affluence.
BlogThe Eight Americas
A k-means clustering of 81,000 census tracts sorts the country into eight kinds of neighborhood — and a child's whole life-course dashboard shifts with the label.
BlogThe Vanishing Cradle
America's birth count fell into the pandemic and never fully came back — and the baby bust was not shared evenly across the deprivation map.
ZIP psychographic baseline parquet
ZIP-level baseline psychographic or latent-factor data stored as parquet.
County demographics parquet
County-level demographic parquet dataset paired with a local county demographics JSON file.