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Christianity (Religious Studies, Books): Amazon KDP category data

Amazon Books Best Sellers data for Christianity (Religious Studies, Books), updated Nov 2, 2026: median price $30, median 68 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).

29Opportunity / 100
$30Median price
68Median reviews
Price range (middle 50%)$17.38 – $43.80
Average rating4.6
New releases (90 days)2%
Books on the list100
StoreBooks

What stands out

  • Only 2% of its best sellers are under 90 days old, fewer than in 93% of Books categories: established titles hold the list.
  • Its median reviews are 28% of the parent category Religious Studies (240), one of the easier corners under it.
  • At $30 its median price beats 89% of Books categories, leaving more margin per copy.

Top 10 Christianity best sellers

  1. The Catholic Study Bible book cover by Donald Senior

    The Catholic Study Bible

    by Donald Senior

    • List rank#1
    • Price$17.27
    • Rating4.6
    • Reviews2,258

    View on Amazon · Full data on KDPTop

  2. Master the™ Catholic High School Entrance Exams book cover by Peterson's

    Master the™ Catholic High School Entrance Exams

    by Peterson's

    • List rank#2
    • Price$19.23
    • Rating4.7
    • Reviews61

    View on Amazon · Full data on KDPTop

  3. Josephus and Jesus: New Evidence for the One Called Christ book cover by T. C. Schmidt

    Josephus and Jesus: New Evidence for the One Called Christ

    by T. C. Schmidt

    • List rank#3
    • Price$102
    • Rating4.8
    • Reviews21

    View on Amazon · Full data on KDPTop

  4. The Amplified Study Bible, Leathersoft, Brown [Large Print] book cover by Zondervan

    The Amplified Study Bible, Leathersoft, Brown [Large Print]

    by Zondervan

    • List rank#4
    • Price$38.49
    • Rating4.8
    • Reviews2,248

    View on Amazon · Full data on KDPTop

  5. The Ecclesiastical History of the English People; The Greater Chronicle; Bede's Letter to  book cover by Bede

    The Ecclesiastical History of the English People; The Greater Chronicle; Bede's Letter to Egbert (Oxford World's Classics)

    by Bede

    • List rank#5
    • Price$13
    • Rating4.7
    • Reviews398

    View on Amazon · Full data on KDPTop

  6. Lost Christianities: The Battles for Scripture and the Faiths We Never Knew book cover by Bart D. Ehrman

    Lost Christianities: The Battles for Scripture and the Faiths We Never Knew

    by Bart D. Ehrman

    • List rank#6
    • Price$13.77
    • Rating4.6
    • Reviews995

    View on Amazon · Full data on KDPTop

  7. A Greek-English Lexicon of the New Testament and Other Early Christian Literature, 3rd Edi book cover by Walter Bauer

    A Greek-English Lexicon of the New Testament and Other Early Christian Literature, 3rd Edition

    by Walter Bauer

    • List rank#7
    • Price$132
    • Rating4.8
    • Reviews365

    View on Amazon · Full data on KDPTop

  8. On Christian Teaching book cover by St Augustine

    On Christian Teaching

    by St Augustine

    • List rank#8
    • Price$11.09
    • Rating4.5
    • Reviews196

    View on Amazon · Full data on KDPTop

  9. Age of Reason: The Definitive Edition book cover by Thomas Paine

    Age of Reason: The Definitive Edition

    by Thomas Paine

    • List rank#9
    • Price$12.23
    • Rating4.7
    • Reviews345

    View on Amazon · Full data on KDPTop

  10. The Cambridge Companion to Bede (Cambridge Companions to Literature) book cover by Scott DeGregorio

    The Cambridge Companion to Bede (Cambridge Companions to Literature)

    by Scott DeGregorio

    • List rank#10
    • Price$33.99
    • Rating4.8
    • Reviews8

    View on Amazon · Full data on KDPTop

FAQ

Is Christianity a good niche for Amazon KDP?

Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 68 reviews and sells for $30.

How many reviews do you need to rank in Christianity?

The median best seller has 68 reviews, and 60% of them have fewer than 100.

What do Christianity best sellers cost?

The median price is $30; half of the best sellers are priced between $17.38 and $43.80.

Can new books break into Christianity?

2% 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.