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Google Demand Gen Campaigns: How They Work (and vs Performance Max)

Google’s home for visual advertising across YouTube, Discover, Gmail, Maps and Display — how it creates demand, how it differs from PMax, and why last-click measurement undersells it.

VDBy Vikas Disale·9 min read
Quick answer

Demand Gen is Google’s visual, discovery campaign type, running image, video and carousel ads across YouTube (incl. Shorts), Discover, Gmail, Maps and the Display Network. It creates demand in the upper-mid funnel, using Lookalike segments and varied creative. It complements Performance Max, which captures demand: Demand Gen creates intent, PMax converts it. Judge it on view-through and assisted conversions — last-click measurement undersells it.

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2026 updateDemand Gen is now Google’s home for visual advertising: standalone Display campaigns are migrating into it (migration tool from June 2026), and Video Action Campaigns were upgraded into it too. New metrics like Attributed Branded Searches (Jan 2026) help you see the demand it creates.
1What it is

Create demand across Google’s visual surfaces

Demand Gen is Google’s campaign type for visual, discovery-style advertising. It runs image, video and carousel ads across YouTube (including Shorts), Discover, Gmail, Maps and the Display Network — reaching billions of people who aren’t searching yet, to create demand rather than capture it.

2Demand Gen vs Performance Max

Create intent vs capture it

They overlap, so the distinction matters:

Demand GenPerformance Max
FunnelUpper & mid — creates demandFull funnel — captures demand
SurfacesYouTube, Discover, Gmail, Maps, GDNAll of Google, incl. Search & Shopping
ControlMore: audiences, placements, creative previewsLess: heavily automated
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They work togetherDemand Gen creates the intent; Performance Max (and Search) capture it. Run Demand Gen to feed your lower-funnel campaigns, not as a replacement for them.
Free tool

Demand Gen creative readiness

Demand Gen is a visual, AI-driven campaign type — it needs varied creative to perform. Tick what you’ve got.

Creative readiness
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3Targeting & creative

Lookalikes and lots of assets

Demand Gen reaches new people through Lookalike segments — built from a seed list of your customers or site visitors — plus standard audiences and custom segments. Like other AI campaign types, it rewards creative variety: supply images in several ratios, multiple video lengths, and varied text so the system has plenty to test.

4Measuring it right

Don’t judge it on last-click

This is where most advertisers get Demand Gen wrong. Because it works the upper funnel, last-click ROAS will systematically undervalue it — much of its impact shows up as people converting later through Search or PMax.

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Measure the real contributionLook at view-through conversions, assisted conversions, brand lift, and Attributed Branded Searches — and use data-driven attribution, not last-click, to credit it fairly.
Key takeaways
  1. Demand Gen runs visual ads across YouTube, Discover, Gmail, Maps and Display.
  2. It creates demand in the upper-mid funnel; Performance Max captures it.
  3. It reaches new people via Lookalike segments seeded from your first-party data.
  4. Like all AI campaigns, it rewards lots of varied image, video and text assets.
  5. Don’t judge it on last-click — use view-through, assisted and brand-lift metrics.
?Frequently asked

Demand Gen FAQs

What are Google Demand Gen campaigns?
Visual, discovery-style campaigns that run image, video and carousel ads across YouTube including Shorts, Discover, Gmail, Maps and the Display Network, designed to create demand rather than capture it.
What is the difference between Demand Gen and Performance Max?
Demand Gen works the upper and mid funnel to create demand with more control over audiences and creative, while Performance Max runs the full funnel including Search and Shopping to capture demand with heavier automation.
What surfaces do Demand Gen ads run on?
YouTube including Shorts, Google Discover, Gmail, Maps, and the Google Display Network, which moved into Demand Gen in 2026.
What are Lookalike segments?
Audiences of people who share characteristics with a seed list you provide, such as your customers or site visitors, used to reach new, qualified people.
How should I measure Demand Gen?
Use view-through conversions, assisted conversions, brand lift and Attributed Branded Searches, with data-driven attribution. Last-click ROAS systematically undervalues upper-funnel campaigns like this.
Is Demand Gen replacing Display campaigns?
Yes, in effect. Standalone Display campaigns are migrating into Demand Gen in 2026, with the Display Network now managed inside the Demand Gen workflow.
→Keep learning

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VD
Vikas Disale
Author · Digital Marketing

Vikas Disale is a digital marketer with around a decade of hands-on experience running and teaching paid search. He builds practical, example-led Google Ads training for business owners and marketers. More about Vikas →

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© 2026 Vikas Disale · vikasdisale.com
Google Ads Course · Display, Video & Demand Gen
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