🔍 Read the full analysis: From Search Results To AI Answers: Google Expands Ads Globally on ThorstenMeyerAI.com
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TL;DR
Google said on October 28 that ads in its AI Mode search experience are expanding to 10 more countries, with launches planned in three additional markets later in 2026. In the US, ads can also appear in follow-up questions. Advertisers using eligible Search, Shopping and Performance Max campaigns are included automatically, while questions remain about ad performance, publisher traffic and how ads affect the AI experience.
Google is expanding ads in its AI Mode search experience to 10 more countries and is adding ads to follow-up questions in the United States, extending advertising into more of the conversational answers people receive from its search engine. The announcement came as Alphabet reported 12% growth in Google Search and other revenue for the third quarter, down from 17% in the previous quarter.
Google said the new AI Mode ad markets are Australia, Canada, India, Kenya, Malaysia, New Zealand, Nigeria, Pakistan, the Philippines and Singapore. The company said Brazil, Mexico and the United Kingdom are planned for the fourth quarter of 2026. In the US, ads may now appear when users ask questions that follow an initial AI Mode query, not just in response to the opening question.
Google’s announcement distinguishes between AI Overviews, summaries shown within standard search results, and AI Mode, a separate, chat-style search experience that supports longer questions and back-and-forth queries. The October expansion concerns ads in AI Mode and US follow-up queries. Google says ads in AI-generated answers will carry a “Sponsored” label and that advertising will not influence the AI’s own answer. That latter point is Google’s statement, not an independently verified finding in the material reviewed.
Google Ads Help says existing Search, Shopping and Performance Max campaigns can participate automatically. The source material says advertisers cannot opt out of these placements or set separate targeting for them; reporting is aggregated, and Google’s AI may create short explanatory text alongside an ad that advertisers cannot edit. Google also said click-through rates for sponsored and organic product-list items in AI Mode were similar, citing its internal US data from August 20 to September 3, 2026. That comparison is limited to those product-list items and does not establish how often users click through to websites.
Infographic 01 · From test to global
The answer now carries the ad, in more places.
How Google moved ads into its AI answers in two years, where they show today, and the revenue pressure behind the move.
Where ads appear inside AI answers
Per Google’s help page and the 28 Oct post. The list “may not be exhaustive”.
Follow-up questions (“multiturn ads”): US only. Germany and the rest of the EU: not listed. Ads above or below AI Overviews can show wherever AI Overviews exist (200+ countries and territories).
Why now: Google Search & other revenue growth
Year over year, as reported by Alphabet. Bars scaled to 19%.
Q2 to Q3 2026: about +0.1%. Same months a year earlier: about +4.4% (my arithmetic). Google names exchange rates as the largest driver of the slowdown, and the “lower monetization” of AI Mode as one factor.
- 3 Oct 2024Ads inside AI Overviews go liveUS, mobile, after months of testing
- 21 May 2025Desktop in the US; first tests in AI ModeEnglish-speaking countries announced for later in 2025
- 20 May 2026New formats in testingConversational Discovery ads and Highlighted Answers, both with a Gemini-written “AI explainer”
- 28 Oct 2026AI Mode ads in 10 more countriesPlus “multiturn ads” in follow-up questions in the US; labeled “Sponsored”
- Q4 2026Planned: Brazil, Mexico, United Kingdom“Additional locales, including” these three
Sources: Google, 28 Oct 2026; Google Ads Help, accessed 29 Oct 2026; Google, 3 Oct 2024; Google, 21 May 2025; Google, 20 May 2026; Alphabet Q3 2026 release and the Q4 2025, Q1 2026 and Q2 2026 releases. “3× longer” is Google’s AI Mode report (US, May 2026). Quarter-on-quarter changes and bar scaling: Thorsten Meyer.
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Ads Follow Users Into AI Search
The expansion moves advertising further into search experiences where users may get a direct response rather than a conventional list of links. That matters to advertisers, who may reach users during longer, more specific queries, and to publishers, whose businesses can depend on search referrals. It also affects users trying to distinguish commercial placements from information generated in an answer.
A 2026 working paper by Agarwal and Sen reports results from a randomized experiment involving 1,065 US users. When AI Overviews appeared, clicks to websites fell by 39.8%; the study found no measurable change in ad clicks. The finding concerns that experiment and AI Overviews, not the effect of Google’s newly expanded AI Mode placements. It points to a possible difference between traffic sent to websites and activity on ads, but it does not by itself establish what will happen across the newly added markets.
The business backdrop is also relevant. Alphabet reported $63.4 billion in third-quarter revenue from Google Search and other, about half of Alphabet’s total revenue, with growth slowing to 12%. Google’s chief business officer, Philipp Schindler, cited exchange rates as the largest factor and also said the lower monetization of fast-growing AI Mode searches affected results. The rollout puts more ads into AI search, but Google has not disclosed how much revenue these placements are expected to generate.
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How Google Reached This Rollout
Google has been adding advertising to AI search in stages. Ads in AI Overviews first appeared for US mobile users in October 2024, according to the company’s earlier announcements. In May 2025, Google brought them to desktop and began testing ads in AI Mode. At Google Marketing Live in May 2026, it described tests of additional formats, including Conversational Discovery ads and Highlighted Answers.
The October 28 announcement adds wider availability in AI Mode and the ability for ads to appear in US follow-up queries. Google has said AI Mode queries are, on average, three times longer than traditional searches. That is a company-reported average, not independent evidence that the new placements will perform better for advertisers or users.
Alphabet’s reported Search and other revenue growth was 17% in the fourth quarter of 2025, 19% in the first quarter of 2026, 17% in the second quarter and 12% in the third. Schindler also cited exchange-rate effects, changes affecting some retail advertisers in Asia, and normalized media and entertainment spending after a strong World Cup quarter. He said growth in AI Mode queries had affected results because those searches were being monetized at a lower level.
““Ads will be clearly labeled as ‘Sponsored’.””
— Shashi Thakur, who leads Google’s search ads, in the October 28 announcement
Questions on Reach and Measurement
Google has not provided a detailed public breakdown of revenue or ad performance for the new AI Mode placements. The company’s cited click-through comparison covers sponsored and organic product-list items in AI Mode over a defined period; it does not measure website referrals, nor does it show results across the newly added countries.
The effect on publishers is also not yet established for this rollout. The working paper on AI Overviews reports fewer website clicks in its experiment, but that result should not be treated as a measured outcome of the new AI Mode placements. The source material identifies no independent audit verifying Google’s claim that ads do not influence AI-generated answers. Google’s labeling pledge is clear, but details of how labels will appear in every format and market are not fully specified here.
As of October 29, Google’s help page listed 12 countries for ads inside AI answers and specified English-language availability. Germany and other EU markets were not listed. The material does not clarify whether or when those markets will be added, or whether additional language versions are planned.
Rollout and Performance Updates
Google’s next stated market milestones are the planned fourth-quarter 2026 launches in Brazil, Mexico and the United Kingdom. The company has not supplied a more specific schedule in the source material. Advertisers and publishers will be watching for details on market availability, campaign reporting and how users respond to sponsored placements within longer AI conversations.
Alphabet’s next financial reporting should provide another measure of Search and other revenue, but the figures alone may not isolate the contribution of AI Mode ads. Further evidence will be needed to assess whether these placements change ad engagement, website traffic or publisher referrals. For users, Google’s stated cue is the “Sponsored” label; how consistently that distinction is recognized in practice remains to be seen.
Key Questions
Where is Google expanding ads in AI Mode?
Google named Australia, Canada, India, Kenya, Malaysia, New Zealand, Nigeria, Pakistan, the Philippines and Singapore. It said Brazil, Mexico and the United Kingdom are planned for the fourth quarter of 2026.
What are ads in follow-up questions?
In the US, ads can now appear in responses to later questions in an AI Mode conversation, as well as in response to the initial query.
Can advertisers opt out of these placements?
According to the Google Ads Help information described in the source material, eligible Search, Shopping and Performance Max campaigns participate automatically, with no separate opt-out or targeting control for these placements.
How will users identify an ad in an AI answer?
Google says ads will carry a “Sponsored” label. Its additional claim that ads do not influence the AI’s answer has not been independently verified in the source material.
Does the rollout explain Google’s slower Search revenue growth?
Not on its own. Google reported 12% third-quarter growth in Search and other, down from 17% in the prior quarter. Schindler cited exchange rates as the biggest factor and also mentioned lower monetization of AI Mode searches, among other factors.
Source: ThorstenMeyerAI.com
