If AI Removes Junior Jobs, Who Becomes the Seniors?

What does the world look like when young people can't train up?

The sharpest number we have about AI and work is hiding in payroll files.

Stanford economists, reading the records of ADP, which pays one in six American workers, found that employment for workers aged 22 to 25 in the occupations most exposed to AI is down 16% relative to everyone else.

For older workers in the same jobs: nothing.

And there is no wave o…