Not the same industry, but here is an article in the WSJ about declining numbers of petroleum engineers: https://www.wsj.com/articles/big-oils-talent-crisis-high-sal...
"Big Oil’s Talent Crisis: High Salaries Are No Longer Enough
Energy companies scramble to attract engineers as young workers fret over climate and job security
Good news from the oil patch: Jobs are plentiful and salaries are soaring.
The bad news is that young people still aren’t interested.
Even as oil-and-gas companies post record profits, the industry is facing a worsening talent drought.
At U.S. colleges, the pool of new entrants for petroleum-engineering programs has shrunk to its smallest size since before the fracking boom began more than a decade ago. European universities, which have historically provided many of the engineers for companies with operations across the Middle East and Asia, are seeing similar trends.
...."