---
title: "kokuyo planner — $2.8M/yr Amazon United States Niche, Score 47/100 - Flapen"
canonical_url: "https://flapen.com/research/us/office-products/kokuyo-planner"
last_updated: "2026-07-20T19:46:29.286Z"
locale: en
meta:
description: "soft demand (-49.1% this quarter) — kokuyo planner doesn't clear our bar today. Data updated Jul 2026."
"og:description": "soft demand (-49.1% this quarter) — kokuyo planner doesn't clear our bar today. Data updated Jul 2026."
"og:title": "kokuyo planner — $2.8M/yr Amazon United States Niche, Score 47/100 - Flapen"
---
# **kokuyo planner**
**Skip it**
Soft demand (-49.1% this quarter) — this niche doesn't clear our bar today.
Market size 96Growth 0Conversion 19Competition 71Returns 46Price range 88Avg price 95Brand share 0Review moat 88Quality gap 21
**Market size**
**Incredible****$2.8M**
$2.8M/yr · 5.4M searches
**Avg price**
**Incredible****$33.97**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****231.03**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$9.05–$77.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****3.5%**
return rate — above 6% kills the launch gate
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-49.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, kokuyo planner is a $2.8M/yr Amazon United States market (5.4M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **Market data**
- **Units sold / yr**
- **60K–80K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$2.0M–$2.7M**
- units × avg price
- **Launch success**
- **65%**
- 11 of 17 new (360d)
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#1,266**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **55%**
- **Out of stock**
- **50.8%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **167 days**
## **Competition**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▼falling
**Sellers**
**92**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**43%**
Top 20: 87%
**Open market**
**0%**
- ほぼ日86% - receip11% - MUJI2% - Fromthenon1%
## **Demand**
Weekly Amazon search volume, last 16 weeks — -49.1% search growth over the last 90 days.
90K70KSpike '26Mar '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26
[**Open Trend **](https://flapen.com/research/us/office-products/kokuyo-planner/trend)
## **Product shelf**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$140K10%$280K15%$420K20%$559K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 31 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hobonichi Techo 2026 Original Book A6 English Daily January Start Monday Start Planner**ほぼ日**$38.25**4.7★413 rev](https://www.amazon.com/dp/B0FJ2SQV9H) [2**Hobonichi Techo 2026 Cousin Book A5 Japanese Daily April Start Monday Start Planner**ほぼ日**$64.18**4.8★57 rev](https://www.amazon.com/dp/B0G91VFFT7) [3**Undated Weekly Planner Notebook Pocket Organizer Appointment Book Journal Notebook A6 Week Plan Notepad (Beige)**receip**$12.64**4.4★386 rev](https://www.amazon.com/dp/B0DS22QCZ3) [4**Hobonichi Techo 2026 Cousin Book A5 Japanese Daily Weekly Jan Start Mon Start Planner**ほぼ日**$50.60**4.7★58 rev](https://www.amazon.com/dp/B0FJ2LWGQ9) [5**Hobonichi Techo 2026 Cousin Avec Book A5 Japanese Daily 6-month only July Start Monday Start Planner**ほぼ日**$36.76**4.9★15 rev](https://www.amazon.com/dp/B0GZ6JXRS1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hobonichi Techo 2026 Cousin Avec Book A5 Japanese Daily 6-month only July Start Monday Start Planner**ほぼ日**$36.76**15 rev2mo ago](https://www.amazon.com/dp/B0GZ6JXRS1) [**Hobonichi Techo 2026 Original Avec Book A6 Japanese Daily 6-month only July Start Monday Start Plannerr**ほぼ日**$22.81**9 rev2mo ago](https://www.amazon.com/dp/B0GZ72SZVV) [**Hobonichi Techo 2026 Cousin Book A5 Japanese Daily April Start Monday Start Planner**ほぼ日**$64.18**57 rev5mo ago](https://www.amazon.com/dp/B0G91VFFT7) [**Hobonichi Techo 2026 Original Book A6 Japanese Daily April Start Monday Start Planner**ほぼ日**$39.95**35 rev5mo ago](https://www.amazon.com/dp/B0G918BFDJ) [**Hobonichi Techo 2026 Spring Weeks Colors: Sky Mist (Japanese Tall & Slim April Start)**ほぼ日**$35.91**51 rev5mo ago](https://www.amazon.com/dp/B0G92MQSB5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![Hobonichi Techo A6 Tamagotchi Techo Discovered! [English Original book]](https://m.media-amazon.com/images/I/51eIOLbmX2L.jpg)**Hobonichi Techo A6 Tamagotchi Techo Discovered! \[English Original book\]**ほぼ日**$59.87**4.4★**▲ 518%**](https://www.amazon.com/dp/B0FJ2BR6D6) [**Hobonichi Techo 2026 Original Avec Book A6 Japanese Daily 6-month only July Start Monday Start Plannerr**ほぼ日**$22.81**4.4★**▲ 504%**](https://www.amazon.com/dp/B0GZ72SZVV) [**Hobonichi Techo 2026 Cousin Avec Book A5 Japanese Daily 6-month only July Start Monday Start Planner**ほぼ日**$36.76**4.9★**▲ 502%**](https://www.amazon.com/dp/B0GZ6JXRS1) [**Undated Weekly Planner Notebook Pocket Organizer Appointment Book Journal Notebook A6 Week Plan Notepad (Pink with cover)**receip**$15.46**4.4★**▲ 448%**](https://www.amazon.com/dp/B0FRFWF3V7) [**Hobonichi Techo 2026 Cousin Book A5 Japanese Daily April Start Monday Start Planner**ほぼ日**$64.18**4.8★**▲ 312%**](https://www.amazon.com/dp/B0G91VFFT7)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Document Organizing/Classification**21%
*“Great for organizing”*
**Paper Quality**17%
*“Beautiful paper”*
**Size-Overall**12%
*“Fits perfectly”*
**Quality-Overall**7%
*“Arrived quickly, great quality”*
**Value For Money**7%
*“Great price”*
**Design-Overall**5%
*“has a nice clean design”*
**Advertised Vs Actual Product**4%
*“exactly what I wanted”*
**Ease Of Use**3%
*“Easy to use”*
**Durability**2%
*“Holding up well through daily use”*
**Writing Experience**2%
*“Wife loves writing everything is this thing”*
### **What buyers complain about **
**Value For Money**13%
*“Too expensive”*
**Size-Overall**12%
*“Small”*
**Paper Quality**10%
*“Paper is a little thinner than expected”*
**Thickness**6%
*“thick”*
**Durability**5%
*“Not durable”*
**Ink Leakage**3%
*“Was worried about ink bleeding through the pages because they are so thin”*
**Advertised Vs Actual Product**2%
*“this listing is inaccurate”*
**Quality-Overall**2%
*“cheap quality”*
**Product Condition**2%
*“Im a little disappointed because it appears to be already used or dirty”*
**Wrinkles**1%
*“It was wrinkled”*
### **Top return reasons **
**Size-Overall**57%
**Paper Quality**9%
**Value For Money**8%
**Advertised Vs Actual Product**7%
**Product Condition**3%
**Design-Overall**2%
**Thin**1%
**Functionality-Overall**1%
**Color**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is kokuyo planner profitable to sell on Amazon United States?**
- The niche generates $2.8M/yr across 31 tracked products. 11 of 17 products launched in the last 360 days are still selling. 90-day search growth is -49.1%. Flapen's verdict: Skip it (47/100).
- **How competitive is the kokuyo planner niche?**
- 4 brands and 92 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in kokuyo planner?**
- Top complaints mined from reviews: Value For Money, Size-Overall, Paper Quality. The return rate is 3.5%.
- **What does it cost to enter the kokuyo planner niche?**
- Listings span $9.05–$77.50; the average listing price is $33.97 (sweet spot $15–$100). The average incumbent carries 231 reviews — the moat a new listing must climb.
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