Board Thread:Support Requests - Getting Technical/@comment-31790818-20200720210949/@comment-168424-20200720211415

It would have helped if you had said right away the problem only happened with the Population Density column.

From what I can tell it is something to do with the stuff tht comes after the initial numbers in the column. If you remove those, it sorts correctly. However, it also could just be a UCP bug. You would need to try that table in a pre-UCP wiki to see if it has the same problem.