Cold email

Cold email benchmarks 2026: reply rates and open rates

In 2026 a typical cold email campaign replies at 3% to 4.5% of emails sent, a good one at 5.5% or more, and the top 10% at over 10%, according to Instantly's and Hunter's reports on billions of emails. Benchmarks that quote 0.45% are measuring differently, not describing a different world.

Numbers under the published reply range? We can read the figures from your last send.

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The numbers, from three large studies

Cold email reply rate benchmarks from three studies
StudySampleAverage reply rateWhat "good" looks like
Instantly, Cold Email Benchmark Report 2026Billions of interactions, thousands of workspaces, 20253.43%Top quartile 5.5%+, top 10% 10.7%+
Hunter, State of Email Outreach 202631 million emails, 20254.5% overall, 3% for salesThree-email sequences 6.8%
Belkins, cold email response rates7.5 million emails, 20250.45%Founders 0.57%, companies under 10 people 0.72%

The Belkins figure looks like a different planet until you read the method: it counts every reply against every email sent across full multi-touch sequences, including bounces and follow-ups, whereas the other two measure closer to campaign level. Neither is wrong. The lesson is to know what your own tool is counting before you compare.

What a good reply rate is

For a B2B campaign with a verified list and a specific offer, we treat these as the bands:

  • Under 2%: something is broken. Usually placement or the list, sometimes the offer.
  • 2% to 4%: normal. The campaign is working and the copy can be improved.
  • 4% to 7%: good. Keep the angle, scale the list carefully.
  • Over 7%: excellent, and usually a small, tightly defined market. Don't expect it to survive a tenfold list expansion.

Positive replies and meetings

Reply rate includes "not interested," "unsubscribe" and out-of-office. What pays is the positive reply, and then the meeting. Turning those replies into held meetings is the job of B2B appointment setting.

A typical campaign replies at 3.43% of emails sent, according to Instantly's 2026 report, and at 4.5% overall in Hunter's. Ask any vendor which replies they count before you treat their percentage as yours.

Open rates: use with care

We don't track opens on cold email at all. Reply rate and the share of replies that are positive are what we watch there. Newsletter issues, counted apart from cold sends, land between 49 and 51 percent opened.

What moves the numbers

Factors that change cold email reply rates
LeverEffectSource
Two personalized details in the body3.6% to 5.6% reply rate (+56%)Hunter
Three emails instead of one3.3% to 6.8% (+106%)Hunter
First email under 80 wordsBest-performing campaignsInstantly
20 to 49 emails per inbox per day5.7%, 27% above averageHunter
One contact per company5.1% vs 3.5% for three or moreHunter
No open tracking7.4% vs 4.4%Hunter
Custom domain vs free mailbox+108%Hunter
Wednesday sendsHighest engagementInstantly
Founders and owners as targetsHighest reply rate of any titleBelkins

Those levers are the evidence. The order to apply them, without rewriting the list and the copy in the same week, is in how to increase cold email reply rate.

The numbers we hold ourselves to

Every Be Leaded program is measured on delivery rate, reply rate, positive reply rate and meetings held, reported weekly. Delivery across client programs is held at 99%. When replies fall off, the next edit is the list or the offer angle, ahead of any volume increase. The templates that get us there are in the cold email templates guide. If you want the program run for you, see how our cold email agency works.

FAQ

What is a good cold email response rate?

Between 3% and 5% of emails sent is normal for a well-run B2B campaign in 2026, 5.5% or more puts you in the top quarter of senders in Instantly's data, and the top 10% exceed 10.7%. Anything under 2% points to a placement or list problem.

What is the average cold email open rate?

Privacy features inflate published open rates, and open tracking itself lowers reply rates. On cold email we watch replies. Our newsletter issues, kept separate from cold sends, open between 49 and 51 percent.

Why do benchmarks disagree so much?

They count differently. Some divide replies by emails sent across whole sequences, some by unique prospects, some exclude bounces. Check the method before comparing your numbers to anyone's.

Why is the Belkins reply rate so far from Instantly?

Belkins' method puts each reply over every send in the sequence, and follow-ups sit in that denominator. The 2025 study of 7.5 million emails reports 0.45% (Belkins cold email response rates). Instantly's 2026 report puts a typical campaign at 3.43% of emails sent (Instantly Cold Email Benchmark Report 2026). Read the method before you treat those two rates as the same kind of number.

What sample sits behind those two reply rates?

The 0.45% figure is Belkins' 2025 read of 7.5 million emails (Belkins cold email response rates). The 3.43% figure is a typical campaign in Instantly's 2026 report, counted as a share of emails sent (Instantly Cold Email Benchmark Report 2026).

Sources

  1. Instantly, Cold Email Benchmark Report 2026
  2. Hunter, The State of Email Outreach 2026
  3. Belkins, What are B2B cold email response rates?

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