brain drain

People have been talking about a brain drain.

The county off the coast of north-west Wales has seen one of the UK's sharpest birth-rate drops and "concerned" islanders are figuring out how to stop their "brain drain".

Musk’s layoffs are also likely to produce a massive brain drain, driving talented managers out of the civil service and discouraging young people from joining.

Games industry layoffs and studio closures in the West and Europe have led to fears of "brain drain" - a loss of knowledge as people leave companies or even look for work in different fields.

Trump’s actions threaten to trigger a brain drain from the U.S., as researchers in important laboratories have begun looking for jobs abroad or started to field recruitment offers.