Brandwave

How popular isGerolsteiner?

In September 2026, people searched for Gerolsteiner by name about 90,500 times worldwide, a 22.3% increase from the previous year. These searches made up 12.9% of all global mineral water brand searches, placing Gerolsteiner fourth out of five brands. When we asked both ChatGPT and Google AI Overviews about mineral water brands, Gerolsteiner appeared in four of the five answers and was the most recommended of the five.

Search and AI answers in September 2026

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

  1. San PellegrinoShare of searches 40.7%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  2. EvianShare of searches 19.2%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
  3. Mountain Valley Spring WaterShare of searches 14.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  4. GerolsteinerShare of searches 12.9%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  5. PerrierShare of searches 12.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th
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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. Gerolsteiner is the most recommended of the five.

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.

Which mineral water brands compete with Gerolsteiner?

Gerolsteiner against mineral water brands worldwide, by month

Share of searches by month for San Pellegrino, Evian, Mountain Valley Spring Water, 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%

  1. 1.San Pellegrino

    40.7%

    Held 1st. 287K estimated branded searches, -18.3% vs prior month. Share -1 points.

  2. 2.Evian

    19.2%

    Held 2nd. 135K estimated branded searches, -18.2% vs prior month. Share -0.5 points.

  3. 3.Mountain Valley Spring Water

    14.4%

    Held 3rd. 101K estimated branded searches, -18.2% vs prior month. Share -0.4 points.

  4. 4.Gerolsteiner

    12.9%

    Held 4th. 90.5K estimated branded searches, -17.7% vs prior month. Share -0.2 points.

  5. 5.Perrier

    12.9%

    Held 5th. 90.5K estimated branded searches, 0% vs prior month. Share +2.1 points.

Compare popularity between Gerolsteiner and its closest rivals

Every comparison with Gerolsteiner

4 comparisons

How has branded search demand for Gerolsteiner changed worldwide over the last 12 months?

4 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Gerolsteiner worldwide rose from 74K to 90.5K.
  • Across the 12 months ending September 2026, Gerolsteiner’s share of searches among mineral water brands worldwide increased from 11.9% to 12.9%.
  • Across the 12 months ending September 2026, Gerolsteiner’s share of searches among mineral water brands worldwide peaked at 13.1% in August 2026 and was lowest at 6% in December 2025.
  • Across the 12 months ending September 2026, Gerolsteiner rose from 5th to 4th among mineral water brands worldwide.

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

5 changes

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

  2. In September 2026, San Pellegrino lost share of searches among mineral water brands worldwide, from 41.7% to 40.7%.

  3. Evian’s share of searches among mineral water brands worldwide has lost ground for 3 months in a row, from 40.7% to 19.2% in September 2026.

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

  5. Estimated monthly branded searches for Mountain Valley Spring Water worldwide rose 13.9% over 12 measured months, from 88.8K to 101K in September 2026.

How are Gerolsteiner’s branded searches counted?

1 search term

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

  • gerolsteiner

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How the Brand Demand Index is measured

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