How MUJI does email marketing
E-commerce & Retail42 campaigns · www.muji.us · RSS
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MUJI sends about 5 campaigns a week, spread across the week, most often around 1pm and 5pm US Eastern. Its median subject line runs 32 characters, and 69% carry an emoji.
Measured from 42 campaigns sent Aug 12 to Oct 7, 2026. Each figure is set against the typical E-commerce & Retail brand: the median of 24 E-commerce & Retail brands in the archive with at least 12 campaigns.
- Campaigns a week
- 5.2 63% more than typical (3.2)
- Median subject length
- 32chars About the same as typical (32 chars)
- Median words
- 380 2.6 times typical (146)
- Discount in the subject
- 71% 51 points above typical (20%)
- Copyable promo code
- 14% 12 points above typical (2%)
Latest MUJI emails
All 42 campaignsWhen MUJI sends
Sends are spread across the week: no day stands more than a couple of points above the rest. 1pm and 5pm are the most common hours, within one email of each other (up to 18% of sends). Across 38 scheduled campaigns; welcome, cart and order emails are left out because they go out when a subscriber acts. Times are US Eastern.
Day of week
Show days as a tableHide the days table
| Day | Campaigns | Share |
|---|---|---|
| Monday | 4 | 11% |
| Tuesday | 5 | 13% |
| Wednesday | 7 | 18% |
| Thursday | 6 | 16% |
| Friday | 6 | 16% |
| Saturday | 3 | 8% |
| Sunday | 7 | 18% |
Hour of day (US Eastern)
Show hours as a tableHide the hours table
| Hour (US Eastern) | Campaigns | Share |
|---|---|---|
| 12am | 0 | 0% |
| 1am | 0 | 0% |
| 2am | 0 | 0% |
| 3am | 0 | 0% |
| 4am | 0 | 0% |
| 5am | 0 | 0% |
| 6am | 0 | 0% |
| 7am | 0 | 0% |
| 8am | 0 | 0% |
| 9am | 5 | 13% |
| 10am | 1 | 3% |
| 11am | 0 | 0% |
| 12pm | 5 | 13% |
| 1pm | 7 | 18% |
| 2pm | 4 | 11% |
| 3pm | 3 | 8% |
| 4pm | 3 | 8% |
| 5pm | 7 | 18% |
| 6pm | 2 | 5% |
| 7pm | 1 | 3% |
| 8pm | 0 | 0% |
| 9pm | 0 | 0% |
| 10pm | 0 | 0% |
| 11pm | 0 | 0% |
MUJI subject lines
The median runs 32 characters across 7 words, against 32 for the typical E-commerce & Retail brand. The words MUJI reaches for most: “off”, “starts” and “apparel”.
- “Deals Up to 40% Off? Yes, Really. 👀” 35 chars · Oct 7
- “MUJI Days Is Here! 🚨 Up to 40% Off Online!” 42 chars · Oct 6
- “Wrap Yourself in Home Comfort: 15% OFF” 38 chars · Oct 3
- “The Results Are In… September’s Favorites 🏆” 43 chars · Oct 1
- “A Better Space, Now 20% Off” 27 chars · Sep 29
What MUJI sends
Mostly Promotions & Sales, at 79% of campaigns. Welcome, cart and order emails were set off by our own signup, so they do not count toward that.
The stack behind the sends
MUJI sends with Klaviyo and publishes a DMARC none policy.
Sends with
Domain authentication
Failures are monitored but still delivered, so the policy is not enforced yet.
The median MUJI campaign carries 18 images.
Compare MUJI with Backcountry and Ridge
See how Backcountry and Ridge send, same industry and measured the same way. Or compare with every E-commerce & Retail brand and the whole archive.
How this is measured
Every figure comes from real MUJI emails captured in Inbox Archive, not from a survey or a vendor report. Medians and the campaign mix appear once a brand has 12 campaigns archived, and the day and time charts once 12 of them are scheduled sends. “Typical E-commerce & Retail brand” is the median across the 24 E-commerce & Retail brands that clear the same bar, each counted once however much it sends. Campaign types are sorted automatically. Discounts are read from subject lines, and a copyable code counts only when one appears in the email, so offers applied at checkout are missed.