Subscriber count

Past a thousand subscribers the public number is abbreviated to three significant figures, so a channel on 133,017 displays as 133K until it reaches 134,000. Below a thousand the exact figure shows. Owners and managers see the real total on the Studio dashboard, with the daily gains and losses behind it.

Reading the count as a performance score is the standard error. It is cumulative, so it includes everyone who subscribed years ago and never came back. It moves slowly. It tells you almost nothing about whether this week's video found an audience.