I used modern Fortran in undergrad and grad research from 2011 to about 2015. I rarely ever encountered FORTRAN 77 back then, and never had to write any. I worked as an intern at NIST and LANL during that time too and it was modern Fortran there as well. At NIST, as far as I'm aware, that group had been using modern Fortran for probably a decade or more before I started in 2011.
I didn't have to write any FORTRAN 77 until 2025 in my current job when I was given a legacy code to work with.
Apparently not. Fortran 90 standard was published 35 years ago, in 1991. But a majority of comments in this thread are about FORTRAN 77. It's like the last 35 years didn't happen at all.
In over a decade in academia, I found only one person writing Fortran 90 (this was in 2001). He did it because he didn't tell his advisor he was doing it.