Brandwave

Amazon vs eBay:Which is more popular?

In September 2026, Amazon had more branded searches than eBay among online marketplaces in Australia. Amazon had about 3.7 million branded searches, while eBay had 1.3 million. Amazon made up 57.2% of all online marketplace searches we track, and eBay accounted for 21%. When we asked ChatGPT and Google AI Overviews about online marketplaces, Amazon appeared in all five answers and eBay in four. Amazon was mentioned before eBay in three out of five answers.

Among online marketplaces in Australia in September 2026

Who do people search for more?

Amazon, about 3 searches for every 1 for eBay

Amazon 3.7M searcheseBay 1.3M searches

Who does AI mention more?

Amazon, mentioned in every answer we collected

Amazon in 5 of 5eBay in 4 of 5

Who does AI recommend more?

Amazon, named ahead of eBay in 3 of 5 answers

Amazon first in 3eBay first in 2

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Top online marketplaces in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Amazon appeared in all five answers. eBay was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Amazon was listed before eBay in three out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Amazon1st
  2. eBay2nd
  3. Temu3rd
  4. The Iconic3rd
  5. Kogan3rd

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Amazon5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • eBay4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • The Iconic3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kogan2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Temu1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about online marketplaces

5 answers

Brands are shown in the order each answer named them. The survey took place in Australia on October 23, 2026.

Is Amazon or eBay more popular in search?

This chart shows how often people search Google for Amazon and eBay by name. Each line represents a brand's share of searches for all five online marketplaces we track, month by month, from searches in Australia.

Amazon and eBay among online marketplaces in Australia, by month

Share of searches by month for Amazon, eBay. The figures are in the table below the chart.

View monthly share of searches table
MonthAmazoneBayTemuThe IconicKogan
Oct 202552.3%23.5%14.3%6.4%3.5%
Nov 202552.6%23.5%11.7%7.9%4.3%
Dec 202557.7%21.2%10.6%5.8%4.7%
Jan 202652.9%23.8%14.5%5.3%3.6%
Feb 202652.9%23.7%14.5%5.3%3.5%
Mar 202652.9%23.8%14.5%5.3%3.6%
Apr 202654.6%24.6%12.3%5.5%3%
May 202652.9%23.8%14.5%5.3%3.6%
Jun 202656.8%20.9%12.8%5.7%3.8%
Jul 202661.7%18.5%11.3%5.1%3.4%
Aug 202661.7%18.5%11.3%5.1%3.4%
Sep 202657.2%21%12.9%5.8%3.1%

How has the Amazon and eBay comparison changed over the last 12 months?

3 findings
  • Amazon was ahead of eBay in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Amazon’s share of searches among online marketplaces in Australia moved from 52.3% to 57.2%, and its estimated monthly branded searches held steady at 3.7M.
  • Across the 12 months ending September 2026, eBay’s share of searches among online marketplaces in Australia moved from 23.5% to 21%, and its estimated monthly branded searches moved from 1.6M to 1.3M.

How did search popularity change for Australia online marketplaces in September 2026?

2 changes
  1. In September 2026, eBay gained share of searches among online marketplaces in Australia, from 18.5% to 21%.

  2. In September 2026, Amazon lost share of searches among online marketplaces in Australia, from 61.7% to 57.2%.

How are branded searches counted?

4 search terms

Brandwave collects information about searches that people make online using Amazon’s and eBay’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Amazon

2 branded search terms

  • amazon au
  • amazon australia

eBay

2 branded search terms

  • ebay au
  • ebay australia

How the Brand Demand Index is measured

Other head-to-heads among online marketplaces

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