KDP categories · Top KDP authors
Biographies, Diaries & True Accounts (Japanese, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Biographies, Diaries & True Accounts (Japanese, Kindle eBooks), updated Nov 3, 2026: median price $4.67, median 13 reviews, average rating 4.3 and a KDPTop opportunity score of 17/100 (highly competitive).
| Price range (middle 50%) | $3 – $8.04 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- At $4.67 its median price is below 92% of Kindle eBooks categories, so it is a volume game.
- Its review barrier is lower than in 78% of Kindle eBooks categories: the median best seller has only 13 reviews, so new books can chart with few.
- Only 5% of its best sellers are under 90 days old, fewer than in 76% of Kindle eBooks categories: established titles hold the list.
Top 10 Biographies, Diaries & True Accounts best sellers
-
mana natural II (Japanese Edition)
by mana
- List rank#1
- Price$3.77
- Rating4.5
- Reviews69
-
Unreachable manadigitalsyashinsyuu (Japanese Edition)
by mana
- List rank#2
- Price$3.78
- Rating4.2
- Reviews72
-
The 20 Selections Most do see feel In this beautiful country JAPAN: Eyelash artists from West Japan OMOTENASHI20 (Japanese Edition)
by Success Publication
- List rank#3
- Price$2.99
- Rating4.0
- Reviews10
-
赤と青のガウン オックスフォード留学記 (PHP文庫) (Japanese Edition)
by 彬子女王
- List rank#4
- Price$6.32
- Rating4.6
- Reviews2,865
-
おつかれ、今日の私。 (Japanese Edition)
by ジェーン・スー
- List rank#5
- Price$4.44
- Rating4.4
- Reviews9
-
Alien Interview: Alien Interview - Japanese Translation (Japanese Edition)
by Lawrence R Spencer
- List rank#6
- Price$5.29
- Rating4.4
- Reviews1,135
-
The Art of Acquiring: A Portrait of Etta and Claribel Cone (Japanese Edition)
by Mary Gabriel
- List rank#7
- Price$3.43
- Rating4.5
- Reviews85
-
What's Next？ 終わりなき未踏への挑戦 (Japanese Edition)
by 平出 和也
- List rank#8
- Price$11.50
- Rating4.6
- Reviews159
-
Ano Ko o Mukae ni Itta Hi: Tokyo / Fukuoka (Love and Sun Books) (Japanese Edition)
by Megumi Kazama
- List rank#9
- Price$2.99
- Reviews-
-
A book for those who I cannot help but care about it: How to get along with yourself as a Highly Sensitive Person sensaisanseries (Pine Publishing) (Japanese Edition)
by Natsu Tsukimoto
- List rank#10
- Price$3.33
- Rating4.0
- Reviews473
FAQ
Is Biographies, Diaries & True Accounts a good niche for Amazon KDP?
Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 13 reviews and sells for $4.67.
How many reviews do you need to rank in Biographies, Diaries & True Accounts?
The median best seller has 13 reviews, and 82% of them have fewer than 100.
What do Biographies, Diaries & True Accounts best sellers cost?
The median price is $4.67; half of the best sellers are priced between $3 and $8.04.
Can new books break into Biographies, Diaries & True Accounts?
5% 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.