{
  "schema_version": "1.1",
  "id": "mailchimp-average-email-open-rate-35-63",
  "slug": "mailchimp-average-email-open-rate-35-63",
  "url": "https://groundedkit.com/claims/mailchimp-average-email-open-rate-35-63/",
  "api_url": "https://groundedkit.com/api/claims/mailchimp-average-email-open-rate-35-63.json",
  "claim": "The average email open rate is 35.63% (Mailchimp)",
  "commonly_cited_as": "\"The average email open rate is about 21% / 35%\"",
  "verdict": "outdated",
  "verdict_definition": "Source found and quoted correctly, but old enough that the market has changed.",
  "confidence": "high",
  "rating": {
    "value": 3,
    "best": 5,
    "worst": 1
  },
  "origin": {
    "publisher": "Mailchimp",
    "title": "Email Marketing Benchmarks and Statistics by Industry",
    "year": "2023 (data as of December 2023)"
  },
  "quote": "All Users 35.63% 2.62% 0.22% ... The data provided on this page was last updated in December 2023 ... The accuracy of email open rates may be impacted by Apple's privacy changes and their Mail Privacy Protection (MPP) feature",
  "method": "Mailchimp campaigns sent to at least 1,000 subscribers, across its customer base.",
  "drift": [
    "Date: December 2023 data",
    "Metric: opens inflated by Apple Mail Privacy Protection; older lower figures predate MPP and aren't comparable"
  ],
  "interest": "Mailchimp sells email marketing software.",
  "safe_rephrasing": "Mailchimp's benchmarks (December 2023 data) show a 35.63% average open rate and 2.62% click rate across users; open rates are inflated by Apple Mail Privacy Protection, so compare clicks.",
  "sources": [
    {
      "title": "Mailchimp — Email marketing benchmarks",
      "url": "https://mailchimp.com/resources/email-marketing-benchmarks/",
      "primary": true
    }
  ],
  "kind": "stat_check",
  "as_of": "Data last updated December 2023",
  "last_checked": "2026-10-16",
  "stale": false,
  "date_reviewed": "2026-10-16",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/"
}