Your Gym By The Numbers.

The Revolving Door

You think your retention is good. It isn’t.

The average gym keeps 93.8% of its members every month. That sounds brilliant. It’s the kind of number you’d put on a slide and feel good about.

But do the maths. If 6.2% leave every month, after 12 months you’ve lost 53 out of every 100 members. More than half. Gone.

That means you’re not running a membership business. You’re running a revolving door. Every January you fill it up. By December, more than half of those people have walked out the back.

Think about what that costs you. Every lost member is a hole in your revenue. Every replacement costs you marketing spend, sales time, and onboarding effort. You’re paying twice for the same seat.

The question isn’t “how do I get more members?” It’s “why do they keep leaving?”

The More Personal, The More They Pay

Every step closer to a real relationship adds money to your bottom line.

The data is unambiguous. The more personal your service, the more each member pays you every month:

That’s a 79% increase in revenue per member when you move from a big group class to one-on-one training. Not because you’re charging more for the sake of it — but because the member is getting something genuinely more valuable. They’re getting you. Your attention. Your knowledge. A real relationship.

This is the belonging economy in a single data point. People pay more when they feel known.

Europe Gets It

Your members stay longer than anyone else’s. That’s not luck — it’s culture.

The data on how long members stay tells you everything about where the industry is heading:

European gym members stay 34% longer than their American counterparts. Over two years on average.

Why? Because European fitness culture has always been more community-oriented. The social element isn’t an add-on — it’s the product. People come for the workout and stay for the people. The café after class. The coach who knows their name. The Tuesday evening crowd who became friends.

This is your competitive advantage. Don’t automate it away.

The Owner Trap

You became a CEO. Your pay says otherwise.

When you opened your gym, you stopped being a coach and started being a business owner. But most gym owners are still earning coach money — while doing CEO hours.

You carry all the risk. The lease, the insurance, the staff wages, the equipment loans. If a pipe bursts at 2am, it’s your problem. If a member sues, it’s your name on the papers. And for all that, the median gym owner takes home about £40,000 a year.

This isn’t a calling problem — you love what you do. It’s a systems problem. Most gym owners are still doing everything themselves: coaching classes, writing programmes, posting on social media, chasing late payments, mopping the floor. That’s not CEO work. That’s survival mode.

The Great Shift

For the first time in 50 years, small beats big.

Here’s the number that should change how you think about your business:

Personalised gyms are now more profitable than big-group gyms. Not by a small margin. By 40% more (28% vs 20%).

This hasn’t happened since the 1970s, when Arthur Jones’ Nautilus machines created the big-box gym model that dominated for half a century. For 50 years, the answer to “how do I make more money?” was “get bigger.” More members. More classes. More square footage.

That era is ending. The data says the future belongs to gyms that go deeper, not wider. Fewer members, higher value, real relationships.

The Lead Graveyard

You’re spending money to attract people — then ghosting them.

One in seven gyms pays for advertising — Facebook ads, Google ads, Instagram promotions — and then never contacts the people who respond. That’s not a lead problem. That’s a follow-up problem. And it’s the easiest problem in the world to solve.

Meanwhile, the gyms that do call their leads close at 60–67%. Two out of three. The product sells itself when someone actually picks up the phone.

And yet the average class size across the industry is just 6.6 people. That number hasn’t improved in years. Your classes are running half empty because you’re not filling the top of the funnel — and you’re letting the leads you do get rot in your inbox.

What All This Means

Six numbers. Six truths.

The pattern is clear. The gyms that win are the ones that build real human connection — and then use smart systems to manage the business side so the owner can focus on what matters.

That’s not a philosophy. It’s what the data says.

Source: Cooper, C. (2025). State of the Industry 2025 (6th Edition). Two-Brain Business. Data compiled from Kilo, Wodify, and Two-Brain Business dashboards across thousands of coaching gyms worldwide. All statistics on this page are paraphrased with attribution. The original report is published by Two-Brain Business.