Brandwave

Gerolsteiner vs Perrier:Which is more popular?

In September 2026, Gerolsteiner and Perrier were level in searches among mineral water brands worldwide, with an estimated 90.5K branded searches each, at 12.9% of the total each. When we asked ChatGPT and Google AI Overviews about mineral water brands, Gerolsteiner appeared in four of the five answers and Perrier in three. Gerolsteiner was mentioned before Perrier in four out of five answers.

Among mineral water brands worldwide in September 2026

Who do people search for more?

Gerolsteiner and Perrier are searched for about as often as each other.

Gerolsteiner 90.5K searchesPerrier 90.5K searches

Who does AI mention more?

Gerolsteiner, mentioned in 4 of 5 answers, Perrier in 3

Gerolsteiner in 4 of 5Perrier in 3 of 5

Who does AI recommend more?

Gerolsteiner, named ahead of Perrier in 4 of 5 answers

Gerolsteiner first in 4Perrier first in 1

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Top mineral water brands in ChatGPT and Google AI Overviews

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

Most recommended by AI

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

  1. Gerolsteiner1st
  2. San Pellegrino2nd
  3. Mountain Valley Spring Water3rd
  4. Evian4th
  5. Perrier5th

Mentioned by AI

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

  • San Pellegrino5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Mountain Valley Spring Water5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Gerolsteiner4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Evian3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Perrier3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers

See every answer about mineral water brands

5 answers

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

Is Gerolsteiner or Perrier more popular in search?

This chart shows how often people search Google for Gerolsteiner and Perrier by name. Each line represents a brand's share of searches for all five mineral water brands we track, month by month, from English-language searches worldwide.

Gerolsteiner and Perrier among mineral water brands worldwide, by month

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

View monthly share of searches table
MonthSan PellegrinoEvianMountain Valley Spring WaterGerolsteinerPerrier
Oct 202537.6%21.7%14.3%11.9%14.5%
Nov 202540.1%18.8%15.2%10.4%15.5%
Dec 202530.2%10.8%8.7%6%44.3%
Jan 202643.7%16.8%16.6%9.2%13.8%
Feb 202642.7%20.6%16.1%9.3%11.3%
Mar 202640.1%18.9%17.9%10.4%12.7%
Apr 202637.5%21.6%17.3%11.8%11.8%
May 202641.5%19.5%15.2%10.7%13%
Jun 202631.7%40.7%9.5%8.2%9.9%
Jul 202641.6%23.1%12.1%12.7%10.4%
Aug 202641.7%19.7%14.7%13.1%10.8%
Sep 202640.7%19.2%14.4%12.9%12.9%

How has the Gerolsteiner and Perrier comparison changed over the last 12 months?

3 findings
  • The lead changed hands once in the 12 months ending September 2026: Gerolsteiner took it in July 2026.
  • Across the 12 months ending September 2026, Gerolsteiner’s share of searches among mineral water brands worldwide moved from 11.9% to 12.9%, and its estimated monthly branded searches moved from 74K to 90.5K.
  • Across the 12 months ending September 2026, Perrier’s share of searches among mineral water brands worldwide moved from 14.5% to 12.9%, and its estimated monthly branded searches held steady at 90.5K.

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

2 changes

  1. In September 2026, Perrier gained share of searches among mineral water brands worldwide, from 10.8% to 12.9%.

  2. Estimated monthly branded searches for Gerolsteiner worldwide rose 22.3% over 12 measured months, from 74K to 90.5K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Gerolsteiner’s and Perrier’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.

Gerolsteiner

1 branded search term

  • gerolsteiner

Perrier

1 branded search term

  • perrier

How the Brand Demand Index is measured

Other head-to-heads among mineral water brands

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