Brandwave

How popular isIGA?

In September 2026, people searched for IGA by name about 506,000 times in Australia, a 14.3% decrease from the previous year. These searches made up 5.6% of all Australia supermarket searches, placing IGA fourth out of five supermarkets. When we asked both ChatGPT and Google AI Overviews about supermarkets, IGA appeared in three of the four answers and was the fifth most recommended of the five.

Search and AI answers in September 2026

IGA is the fourth most searched of 5 competitors and the fifth most recommended in AI answers.

  1. ColesShare of searches 33.2%Mentioned in 4 of 4 AI answersPlace in AI recommendations 2nd
  2. WoolworthsShare of searches 32.7%Mentioned in 4 of 4 AI answersPlace in AI recommendations 1st
  3. AldiShare of searches 27.2%Mentioned in 3 of 4 AI answersPlace in AI recommendations 3rd
  4. IGAShare of searches 5.6%Mentioned in 3 of 4 AI answersPlace in AI recommendations 5th
  5. Harris Farm MarketsShare of searches 1.2%Mentioned in 3 of 4 AI answersPlace in AI recommendations 4th
IGA website (opens in a new tab)

Follow IGA and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Top supermarkets in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, IGA was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. IGA is the fifth most recommended of the five.

Most recommended by AI

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

  1. Woolworths1st
  2. Coles2nd
  3. Aldi3rd
  4. Harris Farm Markets4th
  5. 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

Brands are shown in the order each answer named them. The survey took place in Australia on October 22, 2026.

Which supermarkets compete with IGA?

IGA against supermarkets in Australia, by month

Share of searches by month for Coles, Woolworths, Aldi, IGA. The figures are in the table below the chart.

View monthly share of searches table
MonthColesWoolworthsAldiIGAHarris Farm Markets
Oct 202535.1%34.6%23.5%5.7%1.2%
Nov 202535.1%34.5%23.4%5.7%1.3%
Dec 202534.8%34.4%23%6.4%1.3%
Jan 202632.6%38.3%21.8%6.2%1.2%
Feb 202635.2%34.7%23.5%5.5%1.1%
Mar 202632.8%38.9%21.9%5.3%1.1%
Apr 202634.6%34.2%23.5%6.3%1.5%
May 202631%37.3%25.3%5%1.3%
Jun 202633.3%33.3%27.2%4.9%1.2%
Jul 202633.3%32.8%27.7%4.9%1.3%
Aug 202631%36.9%25.4%5.3%1.4%
Sep 202633.2%32.7%27.2%5.6%1.2%

  1. 1.Coles

    33.2%

    Moved from 2nd to 1st. 3M estimated branded searches, 0% vs prior month. Share +2.2 points.

  2. 2.Woolworths

    32.7%

    Moved from 1st to 2nd. 2.9M estimated branded searches, -17.2% vs prior month. Share -4.2 points.

  3. 3.Aldi

    27.2%

    Held 3rd. 2.4M estimated branded searches, 0% vs prior month. Share +1.8 points.

  4. 4.IGA

    5.6%

    Held 4th. 506K estimated branded searches, -0.14% vs prior month. Share +0.4 points.

  5. 5.Harris Farm Markets

    1.2%

    Held 5th. 109K estimated branded searches, -17.9% vs prior month. Share -0.2 points.

Compare popularity between IGA and its closest rivals

Every comparison with IGA

4 comparisons

How has branded search demand for IGA changed in Australia over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for IGA in Australia fell from 590K to 506K.
  • Across the 12 months ending September 2026, IGA’s share of searches among supermarkets in Australia peaked at 6.4% in December 2025 and was lowest at 4.9% in July 2026.

How did search popularity change for Australia supermarkets in September 2026?

5 changes

  1. In September 2026, Coles overtook Woolworths to become the leader among supermarkets in Australia, with 33.2% of the searches.

  2. In September 2026, Aldi gained share of searches among supermarkets in Australia, from 25.4% to 27.2%.

  3. In September 2026, Woolworths lost share of searches among supermarkets in Australia, from 36.9% to 32.7%.

  4. Estimated monthly branded searches for Harris Farm Markets in Australia fell 15.2% over 12 measured months, from 128K to 109K in September 2026.

  5. Estimated monthly branded searches for IGA in Australia fell 14.3% over 12 measured months, from 590K to 506K in September 2026.

How are IGA’s branded searches counted?

3 search terms

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

  • iga
  • iga catalogue
  • iga supermarket

Do you work for IGA? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

Is IGA your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.

Start free