TIOBE is close to useless as a rating.

Nonetheless, it wouldn't surprise me if Julia's popularity climbs slowly. Julia had (and has) significant usability issues at launch which are not determined by the language design. Hence, its usability improves quite a lot over time.

TIOBE is a joke.

But it's such a long-running joke that people keep enjoying it almost as if it wasn't completely a joke.

TIOBE inhabits a universe populated by Putin and Trump in which black is white and VB is more popular than PHP.

When you related two not much related political objects together, you are not better than Tiobe.

Yes, where Fortran and Cobol are more popular than ruby

Top 20.