Aldi vs Coles:Which is more popular?
In September 2026, Coles had more branded searches than Aldi among supermarkets in Australia. Coles had about 3 million branded searches, while Aldi had 2.4 million. Coles made up 33.2% of all supermarket searches we track, and Aldi accounted for 27.2%. When we asked ChatGPT and Google AI Overviews about supermarkets, Coles appeared in all four answers and Aldi in three. Aldi and Coles were each mentioned first in two of the four answers.
Who do people search for more?
Coles, about 22% more searches than Aldi
Who does AI recommend more?
Each is named first in 2 of 4 answers.
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Top supermarkets in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Coles appeared in all four answers. Aldi was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Aldi and Coles were each listed first in two of the four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Woolworths1st- Coles2nd
Aldi3rd
Harris Farm Markets4th
IGA5th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Coles4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Woolworths4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Aldi3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- IGA3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Harris Farm Markets3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
See every answer about supermarkets
4 answers
Asked ChatGPT
“Which supermarket is cheapest in Australia?”
Asked ChatGPT
“What are the best supermarkets in Australia?”
Asked ChatGPT
“What's the best supermarket in Australia for online grocery delivery?”
Searched Google, AI Overview
“supermarket”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“grocery delivery”
Brands are shown in the order each answer named them. The survey took place in Australia on October 22, 2026.
Is Aldi or Coles more popular in search?
This chart shows how often people search Google for Aldi and Coles by name. Each line represents a brand's share of searches for all five supermarkets we track, month by month, from searches in Australia.
Share of searches by month for Coles, Aldi. The figures are in the table below the chart.
View monthly share of searches table
| Month | Coles | Woolworths | Aldi | IGA | Harris Farm Markets |
|---|---|---|---|---|---|
| Oct 2025 | 35.1% | 34.6% | 23.5% | 5.7% | 1.2% |
| Nov 2025 | 35.1% | 34.5% | 23.4% | 5.7% | 1.3% |
| Dec 2025 | 34.8% | 34.4% | 23% | 6.4% | 1.3% |
| Jan 2026 | 32.6% | 38.3% | 21.8% | 6.2% | 1.2% |
| Feb 2026 | 35.2% | 34.7% | 23.5% | 5.5% | 1.1% |
| Mar 2026 | 32.8% | 38.9% | 21.9% | 5.3% | 1.1% |
| Apr 2026 | 34.6% | 34.2% | 23.5% | 6.3% | 1.5% |
| May 2026 | 31% | 37.3% | 25.3% | 5% | 1.3% |
| Jun 2026 | 33.3% | 33.3% | 27.2% | 4.9% | 1.2% |
| Jul 2026 | 33.3% | 32.8% | 27.7% | 4.9% | 1.3% |
| Aug 2026 | 31% | 36.9% | 25.4% | 5.3% | 1.4% |
| Sep 2026 | 33.2% | 32.7% | 27.2% | 5.6% | 1.2% |
How has the Aldi and Coles comparison changed over the last 12 months?
3 findings
- Coles was ahead of Aldi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Aldi’s share of searches among supermarkets in Australia moved from 23.5% to 27.2%, and its estimated monthly branded searches held steady at 2.4M.
- Across the 12 months ending September 2026, Coles’ share of searches among supermarkets in Australia moved from 35.1% to 33.2%, and its estimated monthly branded searches moved from 3.7M to 3M.
How did search popularity change for Australia supermarkets in September 2026?
2 changes
In September 2026, Coles overtook Woolworths to become the leader among supermarkets in Australia, with 33.2% of the searches.
In September 2026, Aldi gained share of searches among supermarkets in Australia, from 25.4% to 27.2%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Aldi’s and Coles’ 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.
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