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The 95:5 Rule in Marketing: In-Market vs Out-of-Market Buyers

Stuart Brameld

Stuart Brameld

Founder
Updated:
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The 95:5 rule is a marketing principle stating that at any given time, only around 5% of your potential customers are actively in-market and ready to buy. The remaining 95% are out of market — not currently looking, even if they’ll need your product eventually. For growth marketers, especially in B2B where sales cycles are long, this is the main reason long-term brand building matters as much as short-term lead generation.

Where Did the 95:5 Rule Come From?

The 95:5 rule was popularised by Professor John Dawes from the Ehrenberg-Bass Institute, a leading marketing research centre in Australia. Dawes’ research found that most buyers aren’t actively seeking to purchase at any given moment. Instead, they move in and out of the market based on changing needs, budgets, and circumstances.

You can read more about the original research in Professor Dawes’ article, The 95:5 Rule.

How Is the 95:5 Rule Different From the 80:20 Rule?

At first glance, the 95:5 rule might seem similar to the 80:20 rule (also known as the Pareto Principle). The Pareto Principle states that roughly 80% of outcomes come from 20% of causes—for example, 80% of revenue often comes from 20% of customers.

However, the 95:5 rule specifically addresses buyer readiness and timing, not customer value distribution. It emphasises the importance of brand awareness and nurturing relationships with potential customers who aren’t yet ready to buy.

The 95:5 Rule vs Other Marketing Frameworks

The 95:5 rule is easiest to apply alongside a couple of other well-known frameworks:

FrameworkWhat it measuresTime horizonMarketing action it implies
95:5 RuleShare of your audience actively in-market to buy right nowOngoing / cyclicalBalance brand-building for the 95% with lead gen for the 5%
Rule of 7How many touchpoints a buyer needs before they actPer buying cycleStay visible with repeated, varied touchpoints so you’re remembered when the 95% become the 5%
Pareto’s Law (80:20)Concentration of value among causes or customersHistorical / retrospectiveFocus resource on the highest-value 20% of customers, channels, or products

These frameworks work best combined with a clear view of what to prioritise (see our guide to prioritisation frameworks), a single North Star Metric to track progress against, and a deliberate marketing channel strategy for reaching both in-market and out-of-market buyers.

Understanding ‘In Market’ and ‘Out of Market’ Buyers

To apply the 95:5 rule effectively, you need to understand two types of buyers:

Effective growth marketing strategies must cater to both groups. Short-term tactics can capture in-market buyers, but long-term brand-building activities are essential to stay top-of-mind with the larger out-of-market audience.

Criticisms of the 95:5 Rule

While the 95:5 rule is widely accepted, it isn’t without criticism. Some marketers argue the exact percentages vary significantly depending on industry, product type, and market conditions. For example, fast-moving consumer goods (FMCG) typically have more buyers regularly in-market, whereas high-value B2B products may have fewer active buyers at any given time.

Critics also suggest the rule oversimplifies complex buying behaviours. Despite these criticisms, the core principle—that most buyers aren’t actively purchasing at any given moment—remains valuable for strategic planning.

What Does the 95:5 Rule Mean for B2B Growth Marketers?

For B2B growth marketers, the 95:5 rule has several important implications:

For more insights, see this article on leveraging the 95:5 rule to your advantage.

Conclusion

The 95:5 rule is a powerful concept for growth marketers, highlighting the importance of long-term brand awareness alongside immediate sales tactics. By understanding and applying this rule, marketers can build sustainable growth strategies that effectively engage both in-market and out-of-market buyers.

About Growth Method

Growth Method is the agentic marketing platform for B2B teams: plan your strategy, ship campaigns, and learn what works, all in one place, for people and agents. The 95:5 rule is a good example of why that matters — most of your audience isn’t ready to buy today, so the real question isn’t just “what campaign do we run next”, it’s whether you’re systematically testing and tracking the brand-building work that keeps you front of mind for the 95%, alongside the lead-gen work that converts the 5%. That only works with a first-party view of what’s actually moving the needle, not more guesswork.

Growth Method gives your team, and your AI agents, a shared system to turn ideas like the 95:5 rule into campaigns: hypothesise, plan, launch, and analyse results against your own goals and data.

We are on-track to deliver a 43% increase in inbound leads this year. There is no doubt the adoption of Growth Method is the primary driver behind these results.

Laura Perrott, Colt Technology Services

Book a call to see it in action, or apply for early access.

Frequently asked questions

Is the 95:5 rule the same as the 95:5 rule in statistics?

No. This is a marketing principle from Professor John Dawes at the Ehrenberg-Bass Institute, describing buyer readiness to purchase. It has no connection to statistical concepts that happen to use similar-looking numbers, like confidence levels.

What is the 95:5 rule in B2B marketing?

It states that at any given time, only around 5% of your potential B2B customers are actively in-market and ready to buy. The remaining 95% aren’t currently looking, which is why long-term brand building matters as much as short-term lead generation.

How does the 95:5 rule relate to the Rule of 7?

The 95:5 rule explains why most of your audience isn’t ready to buy yet. The Rule of 7 explains what to do about it: stay visible with roughly seven touchpoints so your brand is front of mind when those out-of-market buyers eventually enter the 5%.


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