How Fast Do YouTube Channels Actually Grow? (34-Channel Study)

I pulled data on 34 YouTube channels across 7 niches (self-development, business, creator economy, productivity, health, education, and tech). About 3,500 long-form videos total. No Shorts, no compilations. Just regular uploads.

The question was simple: how fast do YouTube channels actually grow? Not the vibes version. The numbers version.

Some of it confirmed what I suspected. Some of it didn't.

1. The Fastest Growing Channels (Subs Per Year)

Average subscribers gained per year, calculated by dividing total subs by channel age. Simple maths. Surprisingly revealing.

The thing about this list is how old everyone on it is. Seven of the top ten are 10+ years old. Growth compounds. The longer you've been at it, the more the algorithm has to work with. More backlog, more search surface, more authority. There's no shortcut hiding in that data. Just compound interest, applied to attention.

Jenny Hoyos is the obvious outlier. Youngest channel on the list, fastest growth by a mile. And yet she's the exception, not the template. For everyone else, time in the game matters more than almost anything.

2. Growth By Niche

I averaged the numbers across all channels in each niche. The question: which categories grow fastest, and how are they getting there?

Average subs per year, by niche

Average views per video, by niche

This is essentially the quality-vs-quantity tradeoff, rendered as a spreadsheet.

On paper it looks like education channels have it easy. 5.5 million views per video on average, uploading just 29 videos a year. That's roughly one video every two weeks. Each one is a big swing. And it works.

Business channels are the inverse. They upload 308 videos per year (nearly one a day) but average just 345K views per video. That's 16x fewer views per video than education, despite 10x the output.

Neither approach is wrong. But they're fundamentally different games. Business channels are playing volume (build a library, monetise through products). Education channels are playing virality (fewer bets, bigger payoffs per bet).

Worth knowing which game you're in before you decide you're losing.

3. The Most Efficient Channels (Subs Per Video)

This is the metric I keep coming back to, and the one almost nobody tracks. How many subscribers does each video actually earn you?

Total subscribers divided by total videos uploaded. Top 10:

Sit with that Veritasium number for a second. 41,803 subscribers per video. Not a typo. Every single video he publishes earns him, on average, the equivalent of a mid-sized YouTube channel's entire subscriber base.

Compare that to channels at the bottom of this metric. Daily content, a few hundred subs per upload. The gap is 100x.

The pattern is hard to miss: the most efficient channels are the ones making fewer, higher-quality videos. Veritasium, Vsauce, and Mike Shake all have relatively small libraries for their subscriber counts. They're not grinding out volume. They're making videos that individually move the needle.

MKBHD is the interesting exception. 1,805 videos and high efficiency. But he's been at it for 18 years with arguably the strongest brand in tech YouTube. That's compounding again. It keeps showing up.

4. So What Do You Do With This?

Four things I'd take away from the data:

• Growth compounds. Most of the biggest channels in this study are 10+ years old. If you're two years in and frustrated, you're still early. The channels you're comparing yourself to have a decade-long head start (and they probably felt the same way at year two).
• Pick your game consciously. High volume (daily uploads, build a massive library, monetise through products) or high quality (fewer uploads, bigger individual bets). Both work. But they require completely different production setups, and mixing them usually means you get the downsides of both.
• Watch your subs-per-video ratio. This is the most underrated growth metric I've come across. If your number is low and dropping, you might be publishing too much. Every mediocre video dilutes your channel's average and trains the algorithm to expect less from your uploads.
• Niche matters more than effort. Education channels get 5.5M views per video on average. Business channels get 345K, despite uploading 10x more. You can't outwork a structural disadvantage. If your niche has a low ceiling on per-video performance, your growth strategy needs to account for that reality.

Curious where your channel sits? The Channel Audit tool pulls your stats and breaks down the metrics that actually matter. Worth a look, even if just to establish a baseline.

Methodology

I'm Becky Isjwara, content strategist and the gal behind youtubeproducer.app. If you're thinking about your channel strategy and want a second pair of eyes, let's talk.