What does AI cite most for education questions in Brazil?
Ranked by the share of answers that cite each source at least once, across 161,570 answers from Google AI Overviews, Google AI Mode, ChatGPT, Perplexity, Microsoft Copilot, Google Gemini. YouTube leads; querobolsa.com.br is the most-cited Brazilian education site (9.8%).
In 161,570 AI answers about education in Brazil, the most-cited source is YouTube (43.7% of answers), then Instagram (25.1%) and querobolsa.com.br (9.8%).
Most-cited sources · % of answers citing
- 1
YouTubeVideo43.7% - 2
InstagramSocial and creator25.1% - 3
querobolsa.com.brEducation sites9.8% - 4
FacebookSocial and creator8.2% - 5
PinterestSocial and creator7.5% - 6
todamateria.com.brReference7.4% - 7
WikipediaReference6% - 8
TikTokVideo5.9% - 9
novaescola.org.brEducation sites5.9% - 10
gov.brGovernment5.8% - 11
GoogleOther websites5.4% - 12
brasilescola.uol.com.brReference4.7% - 13sp.gov.brGovernment4.4%
- 14
ScribdDocument sharing4% - 15
educamaisbrasil.com.brEducation sites3.8%
Source mix
- Education sites25.3%
- Video45.6%
- Forums and Q&A3.9%
- Social and creator34.6%
- Reference16.8%
- Document sharing4.6%
- Schools and universities16%
- Government19.6%
- Other websites80.4%
% of answers citing each type at least once.
| # | Source | Type | % of answers |
|---|---|---|---|
| 1 | youtube.com | Video | 43.7% |
| 2 | instagram.com | Social and creator | 25.1% |
| 3 | querobolsa.com.br | Education sites | 9.8% |
| 4 | facebook.com | Social and creator | 8.2% |
| 5 | pinterest.com | Social and creator | 7.5% |
| 6 | todamateria.com.br | Reference | 7.4% |
| 7 | wikipedia.org | Reference | 6.0% |
| 8 | tiktok.com | Video | 5.9% |
| 9 | novaescola.org.br | Education sites | 5.9% |
| 10 | gov.br | Government | 5.8% |
| 11 | google.com | Other websites | 5.4% |
| 12 | brasilescola.uol.com.br | Reference | 4.7% |
| 13 | sp.gov.br | Government | 4.4% |
| 14 | scribd.com | Document sharing | 4.0% |
| 15 | educamaisbrasil.com.br | Education sites | 3.8% |
What each source type includes
- ·Education sites: course and tutoring platforms, test-prep and cram schools, school and university guides, and the 33 anonymized international sites.
- ·Video: YouTube, TikTok, Vimeo, TED and other video hosts.
- ·Forums and Q&A: Reddit, Quora, Yahoo! Chiebukuro, gutefrage.net, Brainly and other Q&A sites.
- ·Social and creator: Facebook, Instagram, LinkedIn, X (Twitter), Pinterest, note.com, blogs.
- ·Reference: Wikipedia, Britannica, dictionaries.
- ·Document sharing: Scribd, SlideShare, Studocu, Course Hero, ResearchGate.
- ·Schools and universities: universities, colleges and school websites (.edu, .ac.jp, .edu.au and similar).
- ·Government: government and public bodies (.gov, .go.jp, .gouv.fr, ministries, regions, employment agencies).
- ·Other websites: everything else: publishers, news, software vendors, job boards, shops.
Which Brazilian education sites does AI cite most?
Education sites (course and tutoring platforms, test-prep and cram schools, school and university guides) appear in 25.3% of answers. These are the ones AI cites most in Brazil:
| # | Source | % of answers |
|---|---|---|
| 1 | querobolsa.com.br | 9.8% |
| 2 | novaescola.org.br | 5.9% |
| 3 | educamaisbrasil.com.br | 3.8% |
| 4 |  guiadacarreira.com.br | 2.2% |
| 5 | Brand 6 | 0.9% |
| 6 |  sae.digital | 0.7% |
Brand N: one of the 33 international education sites from the US study, anonymized.
Which sources does each AI platform cite in Brazil?
The platform changes the answer. Google's AI Overviews and AI Mode cite video in up to 61.2% of answers; ChatGPT, Perplexity, Copilot and Gemini in at most 2.1%. Pick a platform to see its own ranking.
AI platform
In 161,570 AI answers about education in Brazil, the most-cited source is YouTube (43.7% of answers), then Instagram (25.1%) and querobolsa.com.br (9.8%).
Most-cited sources · % of answers citing
- 1YouTubeVideo43.7%
- 2InstagramSocial and creator25.1%
- 3querobolsa.com.brEducation sites9.8%
- 4FacebookSocial and creator8.2%
- 5PinterestSocial and creator7.5%
- 6todamateria.com.brReference7.4%
- 7WikipediaReference6%
- 8TikTokVideo5.9%
- 9novaescola.org.brEducation sites5.9%
- 10gov.brGovernment5.8%
- 11GoogleOther websites5.4%
- 12brasilescola.uol.com.brReference4.7%
- 13sp.gov.brGovernment4.4%
- 14ScribdDocument sharing4%
- 15educamaisbrasil.com.brEducation sites3.8%
Source mix
- Education sites25.3%
- Video45.6%
- Forums and Q&A3.9%
- Social and creator34.6%
- Reference16.8%
- Document sharing4.6%
- Schools and universities16%
- Government19.6%
- Other websites80.4%
% of answers citing each type at least once.
| Platform | Answers | Most-cited source | Video | Forums and Q&A | Education sites | Government |
|---|---|---|---|---|---|---|
| All platforms | 161,570 | YouTube43.7% | 45.6% | 3.9% | 25.3% | 19.6% |
| AI Overviews | 109,660 | YouTube58.7% | 61.2% | 5.3% | 29.5% | 21.0% |
| AI Mode | 35,175 | YouTube16.9% | 17.9% | 1.5% | 18.9% | 17.4% |
| ChatGPT | 4,189 | gov.br12.7% | 0.1% | 0.1% | 7.3% | 31.0% |
| Perplexity | 3,921 | gov.br8.5% | 2.1% | 0.3% | 15.9% | 20.6% |
| Copilot | 4,420 | querobolsa.com.br7.3% | 0.3% | 0.0% | 12.7% | 7.1% |
| Gemini | 4,205 | querobolsa.com.br4.9% | 1.8% | 1.0% | 8.6% | 2.9% |
What do people in Brazil ask AI about education?
The education searches with the highest monthly search volume in this data (Ahrefs). Each one triggered an AI answer that was collected. Searches made only of symbols or digits are left out of this list.
| Search | In English | Monthly searches |
|---|---|---|
| Como entro no Serasa? | 274,000 | |
| sas | 269,000 | |
| O que é o método Steam? | What is the Steam method? | 265,000 |
| lattes | 180,000 | |
| carteira nacional de habilitação | national driver's license | 146,000 |
| regra de 3 | 145,000 | |
| sed | 122,000 | |
| dia do diretor escolar | 113,000 | |
| tea | 110,000 | |
| estacio | 110,000 | |
| O Alura é reconhecido pelo MEC? | 105,000 | |
| autismo | 105,000 |
How does Brazil compare with other countries?
The same measure in every country of the study, all platforms. See all countries side by side.
| Country | Answers | Video | Education sites | Forums and Q&A | Government |
|---|---|---|---|---|---|
| United States | 1,456,743 | 33.1% | 12.4% | 18.3% | 13.6% |
| India | 629,880 | 25.7% | 41.9% | 11.3% | 14.1% |
| Japan | 274,068 | 16.5% | 42.7% | 13.1% | 11.6% |
| United Kingdom | 222,184 | 25.5% | 26.7% | 9.0% | 28.2% |
| Indonesia | 170,993 | 37.8% | 18.5% | 5.3% | 22.2% |
| Brazil | 161,570 | 45.6% | 25.3% | 3.9% | 19.6% |
| Mexico | 141,634 | 47.4% | 18.4% | 3.1% | 24.9% |
| Canada | 131,414 | 33.1% | 24.1% | 18.0% | 18.3% |
| Australia | 128,845 | 25.2% | 20.9% | 9.8% | 31.7% |
| France | 111,959 | 32.8% | 27.1% | 2.2% | 37.3% |
| Germany | 109,804 | 32.1% | 29.2% | 4.9% | 19.1% |
| Philippines | 93,035 | 40.2% | 31.0% | 14.5% | 16.5% |
| Spain | 92,079 | 34.9% | 27.4% | 2.7% | 26.8% |
How was this measured?
- ·Data: Ahrefs Brand Radar, AI responses, Brazil, data date 14 November 2026: every answer whose prompt Ahrefs files under Jobs and Education > Education (including its subcategories), with no site filter. 161,570 rows exported in slices under Ahrefs' row cap, each checked against the count Ahrefs showed.
- ·Answers: 161,570 unique answers after removing duplicates (same platform, prompt, opening text and date), dated 17 August 2026 to 14 November 2026.
- ·Platforms: Google AI Overviews, Google AI Mode, ChatGPT, Perplexity, Microsoft Copilot, Google Gemini. Grok was paused in Ahrefs during this period.
- ·Measure: the share of answers that cite a source, or a source type, at least once.
- ·Source types: each cited page is assigned one type by fixed rules (domain lists and suffixes such as .gov or .ac.jp), the same rules in every country.
- ·Anonymized sites: the 33 international education sites of the US study are shown as Brand 1 to Brand 33, numbered by how many answers cite them across all countries.
- ·Platform mix: Google AI Overviews are 67.9% of the answers here, so all-platform figures lean toward Google.
- ·One snapshot: this is one pull, not a trend.
How to cite this study
Suggested citation
Pagadala, V. (2026). Most-Cited Sources in AI Search: Education in Brazil. 161,570 AI answers, Ahrefs Brand Radar (Brazil), answers dated 17 August 2026 to 14 November 2026. https://venkatapagadala.com/ai-retrieval-citations-research/education-industry/brazil
The data files on this page are licensed under CC BY 4.0: you may reuse them, with credit to this study.
Sources & further reading
Go deeper
Which source does AI cite most for education questions in Brazil?
YouTube. It is cited in 43.7% of 161,570 AI answers to education questions in Brazil, ahead of Instagram (25.1%) and querobolsa.com.br (9.8%).
Which Brazilian education sites does AI cite most?
querobolsa.com.br (9.8% of answers), novaescola.org.br (5.9%) and educamaisbrasil.com.br (3.8%). Education sites as a group appear in 25.3% of answers in Brazil.
Does ChatGPT cite different sources than Google AI Overviews in Brazil?
Yes. On Google AI Overviews the most-cited source is YouTube (58.7% of its answers); on ChatGPT it is gov.br (12.7%). Video appears in 61.2% of AI Overviews answers and 0.1% of ChatGPT answers.
How often does AI cite YouTube for education questions in Brazil?
YouTube is cited in 43.7% of AI answers to education questions in Brazil, all platforms combined.
How should I cite this study?
Pagadala, V. (2026). Most-Cited Sources in AI Search: Education in Brazil. 161,570 AI answers, Ahrefs Brand Radar (Brazil), answers dated 17 August 2026 to 14 November 2026. https://venkatapagadala.com/ai-retrieval-citations-research/education-industry/brazil
Why are some education sites anonymized?
The study is about where AI answers get their sources, not about any one company. The 33 international education sites of the US study are shown as Brand 1 to Brand 33; local sites are named.