Field notes
Event Marketing Statistics, With Sources
A short reference for B2B teams who need numbers they can trace, not figures copied without a link.
If you are looking for event marketing statistics to plan a budget, choose a conference, or defend a number, use a figure you can open and read. The set below was checked on November 12, 2026 (America/Los_Angeles). Every number links to the page or PDF it came from. If a source is a company's own survey, that is said in the line.
This page is a reference, not a claim that Marvelous produced these results, and not a claim that every event pays back.
How to read this page
A number without a link does not belong here.
- Primary sources are the studies or snapshots themselves, or a publisher presenting its own research.
- Attributed surveys are clearly named, including surveys run by other event-intelligence companies.
- Platform benchmarks describe activity inside one vendor's product. They are useful context. They are not an industry census.
- Dates are the source's dates. This page was last verified on November 12, 2026.
When you use a figure in a memo, keep the link and the wording of what was actually measured. "Share of offline channel budget" is not the same thing as "share of the total marketing budget."
Budget and spend
In Gartner's 2025 CMO Spend Survey, event marketing was the largest single offline channel, at 19.3% of offline channel budgets. Offline channels themselves were 38.9% of total marketing budgets in that snapshot (Gartner, CMO Spend Survey Data Snapshots 2025, Snapshot No. 4, "Event marketing receives the most offline spend").
The same Gartner snapshot reports the next offline lines as sponsorship at 17.4%, linear TV at 16.2%, partner or co-op at 13.0%, and out of home at 12.3% (Gartner, CMO Spend Survey Data Snapshots 2025).
The Data Snapshots overview describes the underlying survey as covering 11 countries and 10 major industries, with a mean annual revenue of $5.7 billion, and a mix of 42% B2B, 23% B2C, and 35% even mix of B2B and B2C (Gartner, CMO Spend Survey Data Snapshots 2025).
In Bizzabo's 2026 statistics article, 40% of organizers expected their events budget to grow in 2026, 40% expected it to stay the same, and 20% expected a decrease. The same article says 45% of event teams operate with just 1 to 3 people (Bizzabo, event marketing statistics 2026, published February 5, 2026).
Effectiveness and networking
In a Splash survey of marketers, presented by Cvent, 72% of marketers said events are their most effective channel (Cvent, "Measurable outcomes are more crucial than ever", presenting Splash's An Outlook on Events in 2025). Cvent's page says Splash surveyed marketers in 2024 for that report.
In Bizzabo's 2026 statistics article, 78% of organizers said in-person conferences, summits, and conventions are their organization's most impactful marketing channel. 40% of organizers planned to host more events in 2026, and 40% planned to maintain the same volume. 54% of attendees said they planned to attend more in-person events than the year before, and 71% of attendees believed in-person B2B conferences offer the most effective way to learn about new products or services (Bizzabo, event marketing statistics 2026).
Networking is central, and it is not automatically effective. In those same Bizzabo 2026 benchmarks, 60% of organizers rated their networking opportunities as somewhat effective, and 15% rated them as very effective, down sharply from 2025. The article does not state the prior-year percentage for "very effective" (Bizzabo, event marketing statistics 2026).
Follow-up and lead reports
Swapcard's study of 2,000 events and 2.5 million attendees, reported by PCMA in a sponsored message, found that fewer than 15% of exhibitors downloaded their final lead reports within 10 days of the show. The same write-up says 8% of all lead-generating interactions occurred after the event ended, and that just one-fourth of all leads were generated through badge scanning (PCMA, "7 Research-Backed Ways to Drive Event Engagement", December 2024, a sponsored message from Swapcard).
That is a warning about speed and completeness, not a measurement of anyone's close rate. A list that never leaves the booth is not pipeline.
Measurement difficulty
In Bizzabo's 2026 statistics article, 40% of organizers reported difficulty proving event ROI in 2026, down from 70% in 2025 (Bizzabo, event marketing statistics 2026).
Vendelux's own 2026 survey of 120+ B2B marketing and events leaders reported that 86% could not accurately attribute ROI back to events, and that 98% struggled to justify event spend to leadership. The same survey reported that only 13% of respondents rated their event selection process as fully data-driven, and that 70% cited lack of visibility into attendee lists as their top barrier to booking meetings before events (Vendelux, Event Marketing Statistics 2026). Those figures are Vendelux's survey, not Marvelous research.
A defensible ROI number still depends on a written definition of "attributed," and on a record of who was actually in the room. See How to Measure Event Marketing ROI. The operating companion is our guide on how to measure pipeline from field events.
One large week, as context
Official and independent counts can describe a single week without telling you which rooms are worth your time.
On its official San Francisco page, a16z reports 1,600+ events and 58,000+ attendees for SF Tech Week in 2026, and dates the 2027 week as October 4 to 10 (San Francisco Tech Week). An independent snapshot of the public calendar, taken on September 23, 2026, counted 1,713 listings during the official 2026 week of October 5 to 11 (The SF Edit, GitHub).
Those figures explain why a filter matters. How to apply one is in our SF Tech Week side events guide.
Platform benchmarks, labeled as such
Bizzabo also publishes anonymized in-platform data from what it describes as mature, multi-event organizations. In that 2026 article, those programs averaged 25 events per year, with 412 registrations and 269 attendees per event, and an average attendance rate of 52% across events with recorded attendance (Bizzabo, event marketing statistics 2026).
This is activity inside one platform. It is not a survey of all B2B events, and it should not be cited as if it were.
How to use these figures
Use budget and effectiveness numbers to explain why the choice of event matters. Use the follow-up and attribution figures to explain why a shortlist, approved outreach, and a written measurement policy matter more than a larger file of names.
Marvelous is B2B event-focused GTM software plus services. It helps a team choose events against priority accounts, shortlist buyers with a visible reason, and draft invites and follow-up for review. Your team approves every invite. It does not invent an ROI figure, and it does not turn a statistic into a software result. Pricing is proposal-based, with no public price list (Marvelous pricing).
If you are building a case for the next event, bring the accounts that matter and the costs you already have. We can walk through the shortlist and the review dates so the later number is defensible.
Related: event outreach for a small GTM team, and from conference list to approved conversations, field marketing tools and the event-and-buyer shortlist, and how to use a conference lead list.
FAQ
What are the most useful event marketing statistics for a B2B team?
Start with how much of the budget events already take, whether teams still struggle to attribute a return, and whether follow-up actually happens. The figures on this page were chosen because the source can be opened and read.
What share of marketing budgets goes to events?
In Gartner's 2025 CMO Spend Survey snapshots, event marketing was 19.3% of offline channel budgets, and offline channels were 38.9% of total marketing budgets. That is not the same as 19.3% of the entire marketing budget.
Do most teams find it hard to prove event ROI?
Two recent sources say the work is still hard, in different degrees. Bizzabo reported that 40% of organizers had difficulty proving event ROI in 2026, down from 70% in 2025. Vendelux's own survey of 120+ leaders reported that 86% could not accurately attribute ROI back to events. Those are separate studies, and Vendelux's survey is its own.
How quickly do exhibitors follow up?
Swapcard's study, reported by PCMA, found that fewer than 15% of exhibitors downloaded their final lead reports within 10 days of the show.
Does Marvelous publish its own industry survey?
Not on this page. These figures come from the linked sources. Marvelous did not produce them.
Does Marvelous send messages on its own?
No. Someone on your team approves every invite and every follow-up before it goes out.