How will falling fertility rates hurt the economy? With Melissa Kearney

生育率下降将如何损害经济?梅丽莎·基尔尼分析

The Economics Show

2026-05-01

33 分钟
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Typically, a society’s population remains stable if women have about 2.1 children each. By that metric, the word has a big problem. In developed countries the total fertility rate is well below that figure. So what are the economic consequences of that shortfall? Soumaya Keynes speaks to Melissa Kearney, a professor at the University of Notre Dame and the director of the Aspen Economic Strategy Group, which recently put out a series on the topic: Demographic Headwinds: The Economic Consequences of Lower Birth Rates and Longer Lives.They discuss why the fertility rate won’t reverse course any time soon — and what happens when the rest of the baby boomers retire. Further reading: Why are fertility rates collapsing? Gender roles Could working from home solve the global fertility crisis? Subscribe to Soumaya's show on Apple, Spotify, Pocket Casts or wherever you listen. Presented by Soumaya Keynes. Produced by Mischa Frankl-Duval. Michela Tindera is the senior producer. Original music and sound design by Breen Turner. The FT head of audio is Cheryl Brumley. Read a transcript of this episode on FT.com Hosted on Acast. See acast.com/privacy for more information.
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  • In rich countries around the world, we are having fewer and fewer children.

  • In the US, fertility rates are now below the replacement rate of 2.1,

  • or what it would take to sustain a constant population.

  • This is a slow but massively important trend, socially, culturally and economically.

  • An ageing and shrinking population has consequences for the workforce, the public finances and the environment.

  • This week we are going to ask, how do falling fertility rates and ageing affect the economy?

  • And what can we do about it?

  • This is The Economics Show with Samaya Keynes.

  • I'm joined this week by Melissa Carney, director of the Aspen Economic Strategy Group,

  • which recently put out a series, Demographic Headwinds,

  • the Economic Consequences of Lower Birth Rates and Longer Lives in the US.

  • She's joining me from Chevy Chase, Maryland.

  • Melissa, hello.

  • Hi, thanks for having me.

  • It is great to have you with me.

  • Okay, on a scale of one to 10.

  • How big of an economic challenge is the current trend in U.S. Fertility?

  • Oh, that's a hard one.

  • I do n't want to sound like an alarmist and put this close to 10,

  • but I definitely am going to put it above the median of five.