LEARN

Every Speed-to-Lead Statistic, Actually Verified (2026)

Last updated: July 2026

“You’re 100x more likely to convert if you call in 5 minutes” is the most quoted — and most mangled — statistic in real estate marketing. The underlying research is real, but almost nobody cites it correctly. Here is each major study, what it actually measured, when it was done, and a link to the primary source so you can check us.

The three studies everyone cites

StudyYearSampleHeadline finding
MIT/InsideSales “Lead Response Management”2007 dataWeb-generated leads across many companies (cross-industry)Calling in 5 minutes vs 30 minutes: 100x the odds of making contact, 21x the odds of qualifying
Harvard Business Review response audit20112,241 US companiesAverage first response: 42 hours. 23% never responded at all
WAV Group responsiveness study2013Mystery-shopped online inquiries to real-estate listings48% of inquiries received no response at all

The MIT/InsideSales study — what “100x” actually means

The famous 100x number comes from a lead-response study by Dr. James Oldroyd (then a research fellow at MIT) with InsideSales.com, analyzing timestamps on web-generated leads across many companies. The original study PDF is still available — read it before you quote it.

Three things people get wrong about it:

  • What 100x compares: the odds of making contact with a lead when you call within 5 minutes versus within 30 minutes. It is not“100x versus never calling,” and it is not about closings or conversions.
  • The 21x figure: same comparison (5 minutes vs 30 minutes), but for the odds of qualifyingthe lead — having a real conversation that moves it forward. Not “21x more likely to close.”
  • What was studied: web leads across industries — this is cross-industry research on inbound web inquiries, not a real-estate-specific study. The data is from 2007. The exact multipliers are vintage; the shape of the decay curve — response odds collapsing within minutes — is the durable finding.

The HBR audit — how slow companies actually are

In 2011, Harvard Business Review published “The Short Life of Online Sales Leads”, an audit in which researchers submitted a test web lead to 2,241 US companies and timed the responses. The results:

  • The average first response took 42 hours.
  • 23% of companies never responded at all.
  • Firms that responded within an hour were roughly 7x more likely to qualify the lead (have a meaningful conversation with a decision maker) than those that waited even an hour longer — and more than 60x more likely than those that waited a day or more.

The point of this study isn’t the multiplier — it’s the baseline. The average response was measured in days, which is why merely being fast is such an outsized advantage.

The WAV Group study — real estate’s own report card

The one study of the three that is actually about real estate: in 2013, WAV Group ran a mystery-shopper study, submitting inquiries on real-estate listings and tracking what came back. The headline finding: 48% of sampled online inquiries received no response at all. Not a slow response — none. Half of the people who raised their hand about a property never heard from anyone.

How these stats get misquoted

  • “100x more likely to convert” — the study measured contact odds. Nothing in it measures conversions, appointments, or closings.
  • “100x versus not calling” — the comparison is calling at 5 minutes versus calling at 30 minutes. Both callers called.
  • Dropping the dates— the MIT data is from 2007, HBR from 2011, WAV Group from 2013. Presenting them as this year’s findings is dishonest; presenting them as the best large-scale public research we have (which they are) is fair.
  • Attribution drift— “the MIT study” was an industry study led by a researcher then at MIT, not a peer-reviewed MIT publication. Fine to cite; cite it as what it is.
  • Orphan statistics— numbers like “78% of buyers work with the first agent who responds” circulate widely with no traceable primary source. If you can’t find the study, don’t repeat the stat.

Are decades-old studies still valid?

Honestly asked, honestly answered: the exact multipliers are old, and no public study of comparable scale has replicated them recently. But every dataset since — vendor call logs, portal response research — finds the same shape: the odds of reaching a lead fall off a cliff within minutes of the inquiry, and the average responder is hours or days behind. Treat “100x” as a memorable label for a well-documented decay curve, not a precision instrument.

What this means operationally for an agent

  • The bar is embarrassingly low. 42-hour averages and 48% silence mean that simply responding fast — every time, including nights and weekends — puts you ahead of most of the market.
  • The window is minutes, not hours.Five minutes is the commonly cited threshold; the decay curve says sooner is strictly better. A lead browsing listings at 9 pm is on their phone right now.
  • Coverage beats charisma.Most missed leads aren’t lost to a better script — they’re lost to no call at all, because the inquiry arrived during a showing, dinner, or sleep.
  • One attempt isn’t contact. A single unanswered call is not a response system.

This decay curve is the entire reason Cadence exists: a voice-first AI that calls your lead back in under two minutes, around the clock, qualifies them, and books consults straight onto your Google Calendar — $199.99/mo, month-to-month, no setup fee. You can hear it work before spending a dollar by calling the demo line below.

Related: What is an ISA in real estate? · Human ISA vs AI ISA costs · The best AI ISA tools, honestly ranked

Don’t take our word for it — call the AI yourself.

This number rings straight to Cadence playing a fictional brokerage’s agent. Grill her like a real lead would.