KDP categories · Top KDP authors
Personal Development & Self-Help (Japanese, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Personal Development & Self-Help (Japanese, Kindle eBooks), updated Nov 3, 2026: median price $3.73, median 20 reviews, average rating 4.4 and a KDPTop opportunity score of 18/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $7.02 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- At $3.73 its median price is below 97% of Kindle eBooks categories, so it is a volume game.
- Its review barrier is lower than in 72% of Kindle eBooks categories: the median best seller has only 20 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $2.99 to $7.02, so budget editions and premium or boxed sets sell side by side.
Top 10 Personal Development & Self-Help best sellers
-
kindankokuhaku hentai taikenki (Japanese Edition)
by mao
- List rank#1
- Price$0.99
- Rating2.8
- Reviews9
-
House Clean Hacks with Minimalism: 10 tips to clean up a messy room (Japanese Edition)
by naniore
- List rank#2
- Price$2.99
- Rating4.1
- Reviews948
-
Loving Parent Guidebook: The Solution is to Become Your Own Loving Parent (12 Step Program) (Japanese Edition)
by ACA WSO INC
- List rank#3
- Price$9.99
- Rating5.0
- Reviews1
-
Egogram for nurses understanding through manga: Introduction to psychological tests for personality assessment self-understanding and improving human relationships (Japanese Edition)
by sanadatomonori
- List rank#4
- Price$2.99
- Rating5.0
- Reviews3
-
fusigina mura no sontyou no osie: yaritaikotoga mitsukarazu nayanndeiru anatani yondehosii hikiyosenohousoku no hontou no tsukaikata honrai no jibun no ... wo tsukuridasu houhou (Japanese Edition)
by koruku
- List rank#5
- Price$0.99
- Rating4.4
- Reviews1,197
-
人生は美しいことだけ憶えていればいい (PHP文庫) (Japanese Edition)
by 佐藤 愛子
- List rank#6
- Price$4.31
- Rating4.0
- Reviews203
-
Mindful Eating for Beginners: 30 Practical Exercises Rediscover the Joy of Eating A Dining Method That Pleases Both Body and Mind While Supporting Healthy Weight Management (Japanese Edition)
by Hatsumi Matsui
- List rank#7
- Price$2.99
- Rating4.6
- Reviews6
-
Shikouhagenjitsukasuru (Japanese Edition)
by Naporeonhiru
- List rank#8
- Price$2.99
- Reviews-
-
「そのままの自分」を生きてみる 精神科医が教える心がラクになるコツ (Japanese Edition)
by 藤野智哉
- List rank#9
- Price$10.11
- Rating4.5
- Reviews262
-
幸運がやってくる！ ミラクル「そうじ力」 (Japanese Edition)
by 高村 あゆみ
- List rank#10
- Price$5.46
- Rating4.3
- Reviews27
FAQ
Is Personal Development & Self-Help a good niche for Amazon KDP?
Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 20 reviews and sells for $3.73.
How many reviews do you need to rank in Personal Development & Self-Help?
The median best seller has 20 reviews, and 62% of them have fewer than 100.
What do Personal Development & Self-Help best sellers cost?
The median price is $3.73; half of the best sellers are priced between $2.99 and $7.02.
Can new books break into Personal Development & Self-Help?
13% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.