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Japan (Biographies & Memoirs › Asia, Books): Amazon KDP category data
Amazon Books Best Sellers data for Japan (Biographies & Memoirs › Asia, Books), updated Nov 2, 2026: median price $14.82, median 220 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $11.49 – $19.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 10% of the parent category Asia (2,216), one of the easier corners under it.
Top 10 Japan best sellers
-
Family of Spies: A World War II Story of Nazi Espionage, Betrayal, and the Secret History Behind Pearl Harbor
- List rank#1
- Price$17.70
- Rating4.5
- Reviews2,644
-
The Book of Five Rings by Miyamoto Musashi - Complete Edition: The New Modern English Translation (Translated and Annotated)
- List rank#2
- Price$13.99
- Rating4.5
- Reviews224
-
Truman
- List rank#3
- Price$11.27
- Rating4.7
- Reviews6,871
-
The Accidental President: Harry S. Truman and the Four Months That Changed the World ― A Narrative History about the End of WWII and the Atomic Bomb
by A. J. Baime
- List rank#4
- Price$11.48
- Rating4.7
- Reviews11,843
-
VOICES OF THE VANQUISHED The German and Japanese Experience of World War II
by Nigel Cawthorne
- List rank#5
- Price$2.99
- Rating4.3
- Reviews479
-
The book of five rings: +Biography of Miyamoto Musashi, Illustrated Edition, Modern Translation
by Musashi Miyamoto
- List rank#6
- Price$13.99
- Rating4.6
- Reviews332
-
Hiroshima
by John Hersey
- List rank#7
- Price$11.95
- Rating4.4
- Reviews5,988
-
Strong Men Armed: The United States Marines Against Japan
by Robert Leckie
- List rank#8
- Price$11.39
- Rating4.6
- Reviews828
-
Sengoku Jidai. Nobunaga, Hideyoshi, and Ieyasu: Three Unifiers of Japan
by Danny Chaplin
- List rank#9
- Price$14.99
- Rating4.6
- Reviews509
-
Tokyo Vice: An American Reporter on the Police Beat in Japan
by Jake Adelstein
- List rank#10
- Price$14.95
- Rating4.4
- Reviews3,408
FAQ
Is Japan a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 220 reviews and sells for $14.82.
How many reviews do you need to rank in Japan?
The median best seller has 220 reviews, and 24% of them have fewer than 100.
What do Japan best sellers cost?
The median price is $14.82; half of the best sellers are priced between $11.49 and $19.99.
Can new books break into Japan?
8% 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.