Brandwave

How popular isProton Mail in search?

In September 2026, there were an estimated 4.1M branded searches for Proton Mail worldwide which is up 22% over the last 12 months. Proton Mail holds 0.62% estimated Share of Search among email providers worldwide and is ranked 4th of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Gmail62.8%
  2. Outlook23.5%
  3. Yahoo Mail12.6%
  4. Proton Mail0.62%
  5. Zoho Mail0.42%
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Which email providers compete with Proton Mail?

Proton Mail against email providers worldwide, by month

Share of Search by month for Gmail, Outlook, Yahoo Mail, Proton Mail. The figures are in the table below the chart.

View monthly share of search table
MonthGmailOutlookYahoo MailProton MailZoho Mail
Oct 202561.2%22.8%14.9%0.5%0.5%
Nov 202556.4%25.8%16.9%0.56%0.37%
Dec 202556.4%25.8%16.9%0.56%0.37%
Jan 202656.3%25.8%16.8%0.68%0.37%
Feb 202659.7%24.6%14.7%0.59%0.4%
Mar 202661.2%22.9%14.9%0.61%0.33%
Apr 202661.1%22.9%14.9%0.61%0.41%
May 202656.3%25.8%16.8%0.68%0.37%
Jun 202657.7%23.9%17.2%0.7%0.47%
Jul 202660.8%23%15%0.74%0.49%
Aug 202659.5%24.7%14.6%0.72%0.48%
Sep 202662.8%23.5%12.6%0.62%0.42%

  1. 1.Gmail

    62.8%

    Held 1st. 414M estimated branded searches, +22.5% vs prior month. Share +3.3 points.

  2. 2.Outlook

    23.5%

    Held 2nd. 155M estimated branded searches, +10.8% vs prior month. Share -1.1 points.

  3. 3.Yahoo Mail

    12.6%

    Held 3rd. 83.1M estimated branded searches, 0% vs prior month. Share -2 points.

  4. 4.Proton Mail

    0.62%

    Held 4th. 4.1M estimated branded searches, -0.03% vs prior month. Share -0.1 points.

  5. 5.Zoho Mail

    0.42%

    Held 5th. 2.7M estimated branded searches, +<0.01% vs prior month. Share -0.1 points.

Compare search popularity between Proton Mail and its closest rivals

Every comparison with Proton Mail

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

  • Across the 12 months ending September 2026, estimated monthly branded searches for Proton Mail worldwide rose from 3.4M to 4.1M.
  • Across the 12 months ending September 2026, Proton Mail rose from 5th to 4th among email providers worldwide.

How did search popularity change for email providers worldwide in September 2026?

  1. In September 2026, Gmail gained estimated Share of Search among email providers worldwide, from 59.5% to 62.8%.

  2. In September 2026, Yahoo Mail lost estimated Share of Search among email providers worldwide, from 14.6% to 12.6%.

  3. In September 2026, Outlook lost estimated Share of Search among email providers worldwide, from 24.7% to 23.5%.

  4. Estimated monthly branded searches for Proton Mail worldwide rose 22% over 12 measured months, from 3.4M to 4.1M in September 2026.

  5. Estimated monthly branded searches for Zoho Mail worldwide fell 18.4% over 12 measured months, from 3.4M to 2.7M in September 2026.

Where does Proton Mail compete?

Proton Mail is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
Email providers4th of 50.62%Shown above
Business email providers2nd of 524.6%Show ranking

How is Proton Mail measured?

Brandwave collects information about searches that people make online using Proton Mail’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.

6 branded search terms

  • email proton mail
  • proton mail
  • proton mail app
  • proton mail email
  • proton mail software
  • protonmail

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How the Brand Demand Index is measured

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