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Kevin Munger's avatar

! I made the same graph of movie star age in my book:

https://cup.columbia.edu/book/generation-gap/9780231553810

Same dataset too...I looked at the top 5 actors rather than just top 2...glad we got the same result!

The main explanation in my book that you don't discuss as much is that *the audiences are getting older too*. This fact explains why both movie stars AND politicians are getting older -- these are both fundamentally driven by audience/voter preferences.

And it's true for christmas carols too lol https://xkcd.com/988/

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Tim Hebard's avatar

Lovely read - it’s a subject covered by many journalists, but your data-driven approach gives the topic a deeper, more interesting explanation.

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