There were more than 300,000 computer-programming jobs in 1980. The number peaked above 700,000 during the dot-com boom of the early 2000s but employment opportunities have withered to about half ...

More than a quarter of all computer programming jobs have vanished in the past two years, the worst downturn that industry has ever seen.

Learning to code was supposedly the salvation of millions of liberal art majors. But now programming jobs are plummeting. The Post’s Department of Data tries to figure out what’s going on.