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Jake Hays

Research Associate

Jake Hays is a research associate focusing on social and demographic trends research at Pew Research Center.

Publications

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short readsJun 17, 2026

Is U.S. fertility at an all-time low? It depends how you measure it

U.S. fertility rates have hit historic lows, but three common measures tell different stories about whether American families are truly shrinking.
short readsApr 21, 2026

5 facts about U.S. children living in blended families

17% of U.S. children under 18 live in a blended family most or all of the time – one that includes a stepparent, stepsiblings or half siblings.
data essayMar 25, 2026

The United States at 250: How the Country Has Changed in the Past 50 Years

As America turns 250, explore how demographics, work, family and economics have shifted since 1976, based on 50 years of Census data.
short readsNov 3, 2025

Dual income, no kids: What we know about ‘DINKs’ in the U.S.

In the United States, 12% of married couples with at least one spouse in their 30s or 40s have two incomes and no kids.
short readsOct 16, 2025

8 facts about divorce in the United States

In 2023, over 1.8 million Americans divorced. Additionally, a third of Americans who have ever been married have also experienced divorce.
short readsJun 18, 2025

U.S. adults in their 20s and 30s plan to have fewer children than in the past

These declines in the number of children adults plan to have occurred almost entirely in the last decade.
reportJun 12, 2025

Rising Number of U.S. Households Are Headed by Married Same-Sex Couples

The number of households headed by same-sex couples in the U.S. has risen steadily, but they represent a small share of all married couples.