New York

In 1987, Congress passed a joint resolution declaring jazz to be “a rare and valuable national treasure.” Nowadays the music of Louis Armstrong, Duke Ellington, Charlie Parker and Miles Davis is taught in public schools, heard on TV commercials and performed at prestigious venues such as New York’s Lincoln Center, which even runs its own nightclub, Dizzy’s Club Coca-Cola.

Here’s the catch: Nobody’s listening.

No, it’s not quite that bad—but it’s no longer possible for head-in-the-sand types to pretend that the great American art form is economically healthy or that its future looks anything other than bleak.

The bad news came from the National Endowment for the Arts’ latest Survey of ­Public Participation in the Arts, the fourth to be conducted by the NEA (in participation with the U.S. Census Bureau) since 1982. These are the findings that made jazz musicians sit up and take ­notice: