John Casterline has about 8.51 million YouTube subscribers as of . Source: the YouTube Data API.
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John Casterline has about 8.51 million YouTube subscribers as of . Source: the YouTube Data API.
Next: 10M, likely Sep to Dec 2029
from 8.5M on Nov 5
from 8.49M on Oct 29
+132M since Oct 29
+49 since Oct 29
Range from the pace over the last 7 days and since Oct 29. It updates daily. Calculated by CountDeck, not from YouTube.
| Date | Subscribers | Change |
|---|---|---|
| Today so far | ~8.51M+81 est. | +81 est. |
| Nov 11 | ~8.51M+1.3K est. | +1.3K est. |
| Nov 10 | ~8.51M+1.3K est. | +1.3K est. |
| Nov 9 | ~8.51M+1.3K est. | +1.3K est. |
| Nov 8 | ~8.51M+1.3K est. | +1.3K est. |
| Nov 7 | ~8.5M+1.3K est. | +1.3K est. |
| Nov 6 | ~8.5M+1.3K est. | +1.3K est. |
| Daily average | +1.3K est. | |
| Last 7 days | +9.3K est. | |
YouTube rounds subscriber counts down to 3 significant figures, so they move in steps. Changes marked est. spread each step over the days between steps. — means no reading that day.
A badge with John Casterline’s YouTube subscribers, refreshed hourly, that links here. Free, no signup.
John Casterline has about 8.51 million YouTube subscribers as of Nov 12, 2026, 17:19 UTC.
+20K subscribers since tracking started on Oct 29, about +9.3K in the last 7 days.
Likely Sep to Dec 2029, when the count passes 10,000,000. Range from the pace over the last 7 days and since Oct 29. The forecast updates daily. Forecast calculated by CountDeck, not from YouTube.
From the YouTube Data API, re-read at most every 15 minutes while people view this page. Daily gains and the milestone date are calculated by CountDeck from its own readings. CountDeck is not affiliated with YouTube.
YouTube rounds public counts, so this is an estimate (marked ~). Counts are exact on accounts whose owner has verified them in CountDeck.
