This article is saying this:

“If you have been vaccinated with two doses of vaccine as per routine, you have a 95-plus percent chance of being completely protected throughout your life,” Schaffner says.

But public health experts say there are some adults who should consider getting revaccinated. That includes older adults who were born after 1957 and were vaccinated before 1968.

So it seems like people in the range of 57-68 should look into it?

https://www.npr.org/sections/shots-health-news/2025/02/21/nx-s1-5304458/measles-vaccine-booster-health