If the number of filtered leads in your list isn't displayed, it could be due to a few reasons:

1. Temporary Sync Issues: There may be brief synchronization problems between Sales Navigator and NavLead, preventing the accurate count from being displayed.
2. System Delays: Occasionally, system delays can affect the updating of lead counts, especially during high traffic periods.
3. Filter Settings: Ensure that your filter settings are correctly applied; any errors might lead to discrepancies in the displayed lead count.

If the filtered lead count remains missing, refreshing your search or restarting the application may help to resolve the issue. If the problem persists, consider reaching out to customer support for further assistance.