Brandwave

Activia vs Siggi's:Which is more popular?

In September 2026, Activia had more branded searches than Siggi's among yoghurt brands worldwide. Activia had about 74,000 branded searches, while Siggi's had 40,500. Activia made up 6.1% of all yoghurt brand searches we track, and Siggi's accounted for 3.4%. When we asked ChatGPT and Google AI Overviews about yoghurt brands, Siggi's appeared in four of the five answers and Activia in none.

Among yoghurt brands worldwide in September 2026

Who do people search for more?

Activia, about 83% more searches than Siggi's

Activia 74K searchesSiggi's 40.5K searches

Who does AI mention more?

Siggi's, mentioned in 4 of 5 answers, Activia in 0

Siggi's in 4 of 5Activia in 0 of 5

Who does AI recommend more?

Siggi's, the only one of the two named

Siggi's first in 4Activia never named

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Top yoghurt brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Siggi's was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Activia did not appear in any of the five answers.

Most recommended by AI

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

  1. Fage1st
  2. Chobani2nd
  3. Oikos3rd
  4. Siggi's4th
  5. Yoplait5th
  6. Müller–
  7. The Collective–
  8. Activia–
  9. Noosa–

Mentioned by AI

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

  • Chobani4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Fage4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Siggi's4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Oikos3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Yoplait2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Müller0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • The Collective0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Activia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Noosa0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about yoghurt brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is Activia or Siggi's more popular in search?

This chart shows how often people search Google for Activia and Siggi's by name. Each line represents a brand's share of searches for all nine yoghurt brands we track, month by month, from English-language searches worldwide.

Activia and Siggi's among yoghurt brands worldwide, by month

Share of searches by month for Activia, Siggi's. The figures are in the table below the chart.

View monthly share of searches table
MonthMüllerChobaniThe CollectiveOikosActiviaFageYoplaitNoosaSiggi's
Oct 202533.9%27.7%8.3%10.2%6.8%3.7%3.7%3.1%2.5%
Nov 202538.3%20.9%11.5%9.4%6.3%4.2%4.2%2.3%2.8%
Dec 202545.9%16.8%11.3%9.2%6.2%2.8%3.4%2.3%2.3%
Jan 202630%20.1%13.5%11%7.4%4.9%4%4%4.9%
Feb 202627.4%22.4%12.3%12.3%8.3%4.5%4.5%4.5%3.7%
Mar 202631%20.7%11.4%11.4%7.6%5.1%5.1%4.2%3.4%
Apr 202631.8%21.2%11.7%11.7%7.8%4.3%5.2%3.5%2.9%
May 202632.2%21.5%11.9%11.8%6.5%5.3%4.3%3.5%2.9%
Jun 202642.9%19.2%10.6%8.6%5.8%3.9%3.9%3.2%2.1%
Jul 202639.1%17.4%11.8%9.5%6.4%4.3%4.3%4.3%2.9%
Aug 202630.3%24.8%11.2%11.1%6.1%4.1%5%4.1%3.3%
Sep 202630.5%25%11.3%11.2%6.1%5%4.1%3.4%3.4%

How has the Activia and Siggi's comparison changed over the last 12 months?

3 findings
  • Activia was ahead of Siggi's in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Activia’s share of searches among yoghurt brands worldwide moved from 6.8% to 6.1%, and its estimated monthly branded searches moved from 90.5K to 74K.
  • Across the 12 months ending September 2026, Siggi's’ share of searches among yoghurt brands worldwide moved from 2.5% to 3.4%, and its estimated monthly branded searches moved from 33.1K to 40.5K.

How did search popularity change for yoghurt brands worldwide in September 2026?

2 changes
  1. Siggi's’ share of searches among yoghurt brands worldwide has gained ground for 3 months in a row, from 2.1% to 3.4% in September 2026.

  2. Estimated monthly branded searches for Activia worldwide fell 18.2% over 12 measured months, from 90.5K to 74K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Activia’s and Siggi'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.

Activia

1 branded search term

  • activia

Siggi's

1 branded search term

  • siggis

How the Brand Demand Index is measured

Other head-to-heads among yoghurt brands

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