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Japanese (Language Instruction, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Japanese (Language Instruction, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 107 reviews, average rating 4.6 and a KDPTop opportunity score of 24/100 (highly competitive).

24Opportunity / 100
$4.99Median price
107Median reviews
Price range (middle 50%)$4.79 – $9.99
Average rating4.6
New releases (90 days)6%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 30% of the parent category Language Instruction (360), one of the easier corners under it.
  • At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.

Top 10 Japanese best sellers

  1. Short Stories for Japanese Learners (Level 1, Volume 1): Learn Japanese with an Authentic  book cover by Japanese Language Park

    Short Stories for Japanese Learners (Level 1, Volume 1): Learn Japanese with an Authentic and Fun Short Story Collection for Beginners! (You Can Read Japanese!)

    by Japanese Language Park

    • List rank#1
    • Price$4.99
    • Rating4.8
    • Reviews469

    View on Amazon · Full data on KDPTop

  2. Speak Japanese in 90 Days: A Self Study Guide to Becoming Fluent book cover by Kevin Marx

    Speak Japanese in 90 Days: A Self Study Guide to Becoming Fluent

    by Kevin Marx

    • List rank#2
    • Price$4.99
    • Rating4.5
    • Reviews1,025

    View on Amazon · Full data on KDPTop

  3. GENKI: An Integrated Course in Elementary Japanese I [Third Edition] 初級日本語げんき I [第3版] (Jap book cover by 坂野永理

    GENKI: An Integrated Course in Elementary Japanese I [Third Edition] 初級日本語げんき I [第3版] (Japanese Edition)

    by 坂野永理

    • List rank#3
    • Price$31.73
    • Rating4.8
    • Reviews3,757

    View on Amazon · Full data on KDPTop

  4. A Guide to Japanese Grammar: A Japanese approach to learning Japanese grammar book cover by Tae Kim

    A Guide to Japanese Grammar: A Japanese approach to learning Japanese grammar

    by Tae Kim

    • List rank#4
    • Price$5
    • Rating4.7
    • Reviews965

    View on Amazon · Full data on KDPTop

  5. Japanese From Zero! 1: Proven Methods to Learn Japanese with integrated Workbook and Onlin book cover by George Trombley

    Japanese From Zero! 1: Proven Methods to Learn Japanese with integrated Workbook and Online Support

    by George Trombley

    • List rank#5
    • Price$9.99
    • Rating4.8
    • Reviews8,365

    View on Amazon · Full data on KDPTop

  6. Fluent Japanese from Anime and Manga: How to Learn Japanese Vocabulary, Grammar, and Kanji book cover by Eric Bodnar

    Fluent Japanese from Anime and Manga: How to Learn Japanese Vocabulary, Grammar, and Kanji the Easy and Fun Way (Revised and Updated)

    by Eric Bodnar

    • List rank#6
    • Price$2.99
    • Rating4.2
    • Reviews1,274

    View on Amazon · Full data on KDPTop

  7. Remembering the Kanji: A Complete Course on How Not to Forget the Meaning and Writing of J book cover by James W. Heisig

    Remembering the Kanji: A Complete Course on How Not to Forget the Meaning and Writing of Japanese Characters

    by James W. Heisig

    • List rank#7
    • Price$9.99
    • Rating4.6
    • Reviews2,193

    View on Amazon · Full data on KDPTop

  8. Momotaro Japanese Fairy Tale 日本昔話: Japanese Fairy Tales in Hiragana (Children books) (Japa book cover by Makoto Shibutani

    Momotaro Japanese Fairy Tale 日本昔話: Japanese Fairy Tales in Hiragana (Children books) (Japanese Edition)

    by Makoto Shibutani

    • List rank#8
    • Price$0.99
    • Rating4.6
    • Reviews234

    View on Amazon · Full data on KDPTop

  9. Remembering the Kanji 3: Writing and Reading Japanese Characters for Upper-Level Proficien book cover by James Heisig

    Remembering the Kanji 3: Writing and Reading Japanese Characters for Upper-Level Proficiency

    by James Heisig

    • List rank#9
    • Price$8.99
    • Rating4.8
    • Reviews132

    View on Amazon · Full data on KDPTop

  10. Crystal Hunters Japanese: Book 1 Crystal Hunters (Japanese) (Japanese Edition) book cover by Nathaniel French

    Crystal Hunters Japanese: Book 1 Crystal Hunters (Japanese) (Japanese Edition)

    by Nathaniel French

    • List rank#10
    • Price$2.99
    • Rating4.8
    • Reviews217

    View on Amazon · Full data on KDPTop

FAQ

Is Japanese a good niche for Amazon KDP?

Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 107 reviews and sells for $4.99.

How many reviews do you need to rank in Japanese?

The median best seller has 107 reviews, and 48% of them have fewer than 100.

What do Japanese best sellers cost?

The median price is $4.99; half of the best sellers are priced between $4.79 and $9.99.

Can new books break into Japanese?

6% 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.