A4 Paper Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
A4 Paper sales on Amazon US totaled 680,700 units in July 2026 (▲ 6.2% vs. the prior month), generating an estimated $17,842,759 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 77.9% of unit volume and 78.0% of revenue, while a typical listing is priced at $26.53. The keyword itself pulled 24,437 Amazon queries over the same period (▲ 10.9% MoM).
Zooming out to the 12-month window ending July 2026, the a4 paper Top 50 moved 7,707,500 units and $186,807,869 in cumulative sales — an average of 642,292 units and $15,567,322 per month. Monthly throughput topped out at 784,600 units in August 2025 and dipped to 409,350 in May 2026, leaving the latest reading 13.2% lower than August 2025.
A4 Paper 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
680.7K
▲ 6.2% MoM
Monthly Revenue 2026/07
$17.8M
▲ 8.3% MoM
Top 10 Market Share 2026/07
77.9%
A4 Paper Market Share & Sales Concentration on Amazon US — July 2026
The most-sold a4 paper listing on Amazon US in July 2026 is ASIN B01FV0F8H8 (Brand: Amazon Basics), which sold 100,000 units at $6.97 apiece — equal to 14.7% of every unit tracked in this report and 11% ahead of the No. 2 listing.
The Top 10 ASINs account for 530,000 units and $13,921,600 in July 2026 — 77.9% of unit volume and 78.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'A4 Paper' on Amazon
July 2026
Is 77.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B01FV0F8H8
Amazon Basics Multipurpose Copy Printer Paper, 8.5 x 11 Inches, 20 lb, 92 Bright, White, 1 Ream (500 Sheets), Jam-Free
100K
▲ 0.0%vs. prior month
$697K
latest month
12-month trend
B01FV0F75G
Amazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 3 Reams (1,500 Sheets), 92 Bright White for Home Use
90K
▲ 12.5%vs. prior month
$1.8M
latest month
12-month trend
B01FV0F13E
Amazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 10 Reams (5,000 Sheets), 92 Bright White
80K
▲ 14.3%vs. prior month
$4.4M
latest month
12-month trend
B001AFL8GY
HP Printer Paper | 8.5 x 11 Paper | Copy &Print 20 lb | 1 Ream Case - 500 Sheets| 92 Bright | FSC Certified | 200060
70K
▼ 22.2%vs. prior month
$487.9K
latest month
12-month trend
B01FV0F5HG
Amazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 5 Reams (2,500 Sheets), 92 Bright White
60K
▲ 20.0%vs. prior month
$1.7M
latest month
12-month trend
B07K8WHH5J
Amazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 8 Reams (4,000 Sheets), 92 Bright White, Great for Crisp Ink Printing
60K
▲ 0.0%vs. prior month
$3.2M
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best A4 Paper Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Amazon Basics is the best-performing a4 paper brand in July 2026, moving 390,000 units across 5 ASINs for 73.6% of Top 10 volume. HP Papers follows with 80,000 units (15.1%), ahead of Astrobrights on 30,000 units (5.7%).
With 5 brands splitting the Top 10 and 94.3% 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 $5.39 to $33.47, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Amazon Basics
5 ASINs in Top 10
73.6%
Units
390K
Revenue
$11.8M
Avg. price
$33.47
B01FV0F8H8
$6.97·★4.8·227K revsAmazon Basics Multipurpose Copy Printer Paper, 8.5 x 11 Inches, 20 lb, 92 Bright, White, 1 Ream (500 Sheets), Jam-Free
Units sold100KB01FV0F75G
$21.96·★4.8·227K revsAmazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 3 Reams (1,500 Sheets), 92 Bright White for Home Use
Units sold90KB01FV0F13E
$56.97·★4.8·227K revsAmazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 10 Reams (5,000 Sheets), 92 Bright White
Units sold80KB01FV0F5HG
$28.28·★4.8·227K revsAmazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 5 Reams (2,500 Sheets), 92 Bright White
Units sold60KB07K8WHH5J
$53.19·★4.8·227K revsAmazon Basics Multipurpose Copy Printer Paper, 20 lb, 8.5 x 11 Inches, 8 Reams (4,000 Sheets), 92 Bright White, Great for Crisp Ink Printing
Units sold60K
HP Papers
2 ASINs in Top 10
15.1%
Units
80K
Revenue
$687.8K
Avg. price
$15.48
B001AFL8GY
$6.97·★4.8·87K revsHP Printer Paper | 8.5 x 11 Paper | Copy &Print 20 lb | 1 Ream Case - 500 Sheets| 92 Bright | FSC Certified | 200060
Units sold70KB01FIK0PXI
$23.99·★4.8·51.9K revsHP Printer Paper | 8.5 x 11 Paper | Office 20 lb | 3 Ream Case - 1500 Sheets | 92 Bright | Made in USA - FSC Certified | 112090C, White
Units sold10K
Astrobrights
1 ASIN in Top 10
5.7%
Units
30K
Revenue
$176.1K
Avg. price
$5.39
B003A2I5T8
$5.39·★4.8·26.1K revsAstrobrights/Neenah Bright White Cardstock, 8.5" x 11", 65 lb, 75 Sheets | 96 Brightness, Smooth Premium Finish
Units sold30K
Trending A4 Paper 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. Specifically, one ASIN forced its way in: B08VFFB23B booked 10K units at $4.09, with ▲ 900.0% MoM change. On the growth side, B0DZBD3XN4 leads positive momentum with ▲ 100.0% MoM growth on 6K units, with B00UFX19H0 close behind at ▲ 100.0% MoM on 4K 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.
B08VFFB23B
Oxford Filler Paper, 8 x 10-1/2 Inch Wide Ruled Paper, 3 Hole Punch, Loose Leaf Notebook Paper for 3 Ring Binders, 500 sheets (62330), white
Price
$4.09
Rating
4.7
Reviews
5.3K
Latest month sales
B0DZBD3XN4
Amazon Basics 30% Recycled Color Copy Paper, 8.5" x 11", 20lb, Pastel Blue, 500 Sheets
Price
$9.98
Rating
4.6
Reviews
470
Latest month sales
B00UFX19H0
HP Printer Paper | 8.5 x 11 Paper | Copy &Print 20 lb | 5 Ream Case - 2500 Sheets| 92 Bright | FSC Certified| 200350C
Unlock to view ASIN details and product titles
Price
$28.99
Rating
4.8
Reviews
87K
Latest month sales
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