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27 Must-Know Marketing Stats for Founders and CMOs in 2025

You can’t fix what you don’t measure. And in marketing, knowing where the industry is going helps you stay two steps ahead. Whether you’re leading growth at a startup or overseeing campaigns at scale, these stats will help you make better calls around spend, content, social, email, influencers, and more.

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We put together a list of 10 investors who aren’t just throwing cash at marketing and ad tech—they actually get it. If you’re raising, these are the names to know (and maybe even tag).

Some will surprise you. Others will confirm what your gut’s already been telling you.

Let’s get into it.

 

Content & SEO

 

76% of B2B buyers say they now expect content tailored to their industry.
Source: Demand Gen Report
Translation: generic blog content isn’t cutting it anymore.

Blogs with custom images perform 94% better than those with stock photography.
Source: Venngage
If you’re still using Shutterstock, it’s time for a shift.

Google’s AI-powered SGE will impact over 60% of informational search traffic in 2025.
Source: Search Engine Journal
This could tank your SEO unless you’re optimizing for AI answers.

Companies that update old blog posts see 106% more traffic than those that don’t.
Source: HubSpot

Pro tip: Don’t just publish. Refresh.

Email Marketing

 

Email drives $42 for every $1 spent.
Source: DMA
Still one of the highest-ROI channels, if done right.

Tuesday at 10am is the best time to send B2B emails.
Source: Mailchimp
Not Monday. Not Friday. Definitely not Sunday.

The average email open rate across industries in 2025 is 41.3%.
Source: Campaign Monitor
But mobile-first emails with short subject lines outperform this average by 18%.


Influencer & Creator Marketing

 

73% of Gen Z buys based on creator recommendations over brand ads.
Source: Edelman
If you’re not using creators, you’re missing the trust game.

Nano influencers (under 10k followers) now deliver 4x the engagement of mega creators.
Source: Influencer Marketing Hub
The sweet spot is no longer Kardashian-tier.

53% of marketers say performance-based influencer deals are their 2025 priority.
Source: Gossip Media internal survey
Flat fees are fading. Attribution is the new gold.


Social Media

 

Short-form video is the #1 content format for ROI across platforms.
Source: HubSpot
If you’re still prioritizing static posts, you’re leaving money on the table.

LinkedIn posts with a single image get 2x more engagement than video.
Source: SocialInsider
It’s not always video-first. Context matters.

60% of marketers plan to increase spend on TikTok ads in 2025.
Source: Statista
Despite the noise around regulation, performance is too good to ignore.

Threads by Meta has seen 300% user growth in Q1 of 2025.
Source: The Verge
Still early, but it’s worth a watch.

 

Ads & Paid Media

 

Google CPCs are up 23% YoY, and Meta CPMs are up 31%.
Source: WordStream
Your budget needs to work smarter, not just harder.

Retargeting campaigns convert 10x better than cold traffic.
Source: AdRoll
Don’t sleep on warm audiences.

75% of ad clicks now happen on mobile devices.
Source: Think with Google
If your landing pages aren’t mobile-first, you’re bleeding conversions.

 

AI & Automation

 

58% of marketers use AI to create first drafts of content.
Source: Content Marketing Institute
But only 17% publish without human edits.

AI-generated ad copy sees 13% higher CTR on average.
Source: Jasper AI study
It’s not about replacing writers — it’s about better testing velocity.

Chatbots now handle 30% of customer service queries.
Source: Gartner
And 63% of users say they prefer bots for quick answers.

 

Buyer Behavior

 

57% of B2B buyers complete 70% of their journey before talking to sales.
Source: Forrester
So your content better be doing the heavy lifting.

78% of consumers say UGC (user-generated content) makes them more likely to buy.
Source: Stackla
Real over polished. Always.

Mobile traffic accounts for 59.7% of all web visits.
Source: Statista
Mobile-first is not optional anymore.

 

Team & Budget

 

The average in-house marketing team has shrunk by 14% in 2025.
Source: MarketingProfs
Agencies and freelancers are filling the gap.

CMOs say 47% of their budget now goes to performance channels.
Source: Gartner
Branding is still vital, but it’s harder to justify without clear metrics.

Freelancer and fractional CMO roles have doubled since 2023.
Source: LinkedIn Talent Insights
Flexibility is winning over full-time.

40% of marketers now say mental health is their biggest challenge.
Source: Marketing Week
Worth repeating: burnout is a business risk.


TL;DR – What To Do With This Info

 

Double down on content that solves a real problem and is built for your niche.

Rethink how you use creators — not just big names, but niche experts and micro talent.

Test performance-based partnerships (especially with influencers and agencies).

Get serious about mobile-first UX.

 

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