Muji Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Muji sales on Amazon US totaled 14,850 units in July 2026 (▲ 37.5% vs. the prior month), generating an estimated $209,714 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 73.4% of unit volume and 73.9% of revenue, while a typical listing is priced at $13.22. The keyword itself pulled 42,254 Amazon queries over the same period (▲ 24.5% MoM).
Zooming out to the 12-month window ending July 2026, the muji Top 50 moved 142,700 units and $1,942,479 in cumulative sales — an average of 11,892 units and $161,873 per month. Monthly throughput topped out at 14,850 units in July 2026 and dipped to 6,850 in May 2026, leaving the latest reading 4.6% higher than August 2025.
Muji Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
14.8K
▲ 37.5% MoM
Monthly Revenue 2026/07
$209.7K
▲ 38.9% MoM
Top 10 Market Share 2026/07
73.4%
Muji Market Share & Sales Concentration on Amazon US — July 2026
The most-sold muji listing on Amazon US in July 2026 is ASIN B08P5J6CHH (Brand: MUJI), which sold 2,000 units at $16.63 apiece — equal to 13.5% of every unit tracked in this report.
The Top 10 ASINs account for 10,900 units and $154,881 in July 2026 — 73.4% of unit volume and 73.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Muji' on Amazon
July 2026
![MUJI Polycarbonate Mechanical Pencil W - Rubber Grip, 3 Pcs & MUJI Eraser [Black - Small], 3 Pcs (ASIN B07QXT4NDV), rank #8 by monthly sales volume for 'Muji' on Amazon](https://m.media-amazon.com/images/I/519IoSVPmTL._AC_UY512_.jpg)
Is 73.4% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B08P5J6CHH
Muji Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set, 0.5 mm Nib Size, Black
2K
▲ 100.0%vs. prior month
$33.2K
latest month
12-month trend
B0D9CR9V9V
uniball™ Zento Gel Pens, Black Ink, 0.7mm Medium Point, 12 Count | Retractable, Smooth Writing, Quick-Drying, No Smear, No Bleed, Zen Barrel Colors
2K
▲ 100.0%vs. prior month
$30.1K
latest month
12-month trend
B08K7B5W9Z
czxwyst X97 Retractable Gel Ink Pens 0.5mm Fine Point (Black Color 12-Pack)
1K
▲ 0.0%vs. prior month
$10K
latest month
12-month trend
B08P5JVZ1S
MUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black
1K
▲ 25.0%vs. prior month
$20.3K
latest month
12-month trend
B0DTZ53YT3
PILOT FriXion Waai Erasable Gel Pens, 8-Pack Pouch, Assorted Colors
1K
▲ 11.1%vs. prior month
$17.9K
latest month
12-month trend
B00TTF6LSC
MUJI Portable Eyelash Curler
900
▼ 10.0%vs. prior month
$7.7K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Muji Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
MUJI is the best-performing muji brand in July 2026, moving 6,200 units across 6 ASINs for 56.9% of Top 10 volume. Uni-Ball follows with 2,000 units (18.3%), ahead of czxwyst on 1,000 units (9.2%).
With 5 brands splitting the Top 10 and 84.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.99 to $15.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
MUJI
6 ASINs in Top 10
56.9%
Units
6.2K
Revenue
$89.9K
Avg. price
$12.65
B08P5J6CHH
$16.63·★4.6·1.9K revsMuji Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set, 0.5 mm Nib Size, Black
Units sold2KB08P5JVZ1S
$20.89·★4.2·941 revsMUJI Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.38 mm Nib Size, Black
Units sold1KB00TTF6LSC
$7.99·★4.4·2.7K revsMUJI Portable Eyelash Curler
Units sold900B07B6W5668
$9.99·★4.6·3.1K revsMuji Gel Ink Ball Point Pen, Black, 0.5mm, Pack of 3 (Japan Import)
Units sold900B07QXT4NDV
$11.98·★4.7·478 revsMUJI Polycarbonate Mechanical Pencil W - Rubber Grip, 3 Pcs & MUJI Eraser [Black - Small], 3 Pcs
Units sold900B00VHA3ZXQ
$8.39·★4.5·3K revsMUJI Makeup Facial Soft Cut Cotton Unbleached 60x50 mm 180pcs
Units sold500
Uni-Ball
1 ASIN in Top 10
18.3%
Units
2K
Revenue
$30.1K
Avg. price
$15.99
B0D9CR9V9V
$15.99·★4.7·3.4K revsuniball™ Zento Gel Pens, Black Ink, 0.7mm Medium Point, 12 Count | Retractable, Smooth Writing, Quick-Drying, No Smear, No Bleed, Zen Barrel Colors
Units sold2K
czxwyst
1 ASIN in Top 10
9.2%
Units
1K
Revenue
$10K
Avg. price
$9.99
B08K7B5W9Z
$9.99·★4.6·1.6K revsczxwyst X97 Retractable Gel Ink Pens 0.5mm Fine Point (Black Color 12-Pack)
Units sold1K
Trending Muji Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B07QXT4NDV leads positive momentum with ▲ 200.0% MoM growth on 900 units, with B08P5J6CHH close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B07QXT4NDV
MUJI Polycarbonate Mechanical Pencil W - Rubber Grip, 3 Pcs & MUJI Eraser [Black - Small], 3 Pcs
Price
$11.98
Rating
4.7
Reviews
478
Latest month sales
B08P5J6CHH
Muji Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set, 0.5 mm Nib Size, Black
Price
$16.63
Rating
4.6
Reviews
1.9K
Latest month sales
B0D9CR9V9V
uniball™ Zento Gel Pens, Black Ink, 0.7mm Medium Point, 12 Count | Retractable, Smooth Writing, Quick-Drying, No Smear, No Bleed, Zen Barrel Colors
Unlock to view ASIN details and product titles
Price
$15.99
Rating
4.7
Reviews
3.4K
Latest month sales
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