Aldi vs IGA:Which is more popular?
In September 2026, Aldi had more branded searches than IGA among supermarkets in Australia. Aldi had about 2.4 million branded searches, while IGA had 506,000. Aldi made up 27.2% of all supermarket searches we track, and IGA accounted for 5.6%. When we asked ChatGPT and Google AI Overviews about supermarkets, Aldi and IGA each appeared in three of the four answers. Aldi was mentioned before IGA in two out of three answers that named either.
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Top supermarkets in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Aldi and IGA were each mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Aldi was listed before IGA in two out of three answers that named either.
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 IGA more popular in search?
This chart shows how often people search Google for Aldi and IGA 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 Aldi, IGA. 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 IGA comparison changed over the last 12 months?
3 findings
- Aldi was ahead of IGA 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, IGA’s share of searches among supermarkets in Australia moved from 5.7% to 5.6%, and its estimated monthly branded searches moved from 590K to 506K.
How did search popularity change for Australia supermarkets in September 2026?
2 changes
In September 2026, Aldi gained share of searches among supermarkets in Australia, from 25.4% to 27.2%.
Estimated monthly branded searches for IGA in Australia fell 14.3% over 12 measured months, from 590K to 506K in September 2026.
How are branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Aldi’s and IGA’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.
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