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National & International Security (Specific Topics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for National & International Security (Specific Topics, Kindle eBooks), updated Nov 2, 2026: median price $10.99, median 358 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $7.99 – $14.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 35% of the parent category Specific Topics (1,035), one of the easier corners under it.
- At $10.99 its median price beats 90% of Kindle eBooks categories, leaving more margin per copy.
- Its review barrier is higher than in 76% of Kindle eBooks categories: the median best seller has 358 reviews, so new books need time to build up.
Top 10 National & International Security best sellers
-
Out of the Shadows: Revealing the Truth About Non-Human Intelligent Life
by Jay Stratton
- List rank#1
- Price$14.99
- Rating4.5
- Reviews890
-
Nuclear War: A Scenario
- List rank#2
- Price$4.99
- Rating4.6
- Reviews13,091
-
Biological War: A Scenario
- List rank#3
- Price$6.99
- Rating4.6
- Reviews2,490
-
-
The Education of an Idealist: A Memoir — A Human Rights Advocate's Memoir
by Samantha Power
- List rank#5
- Price$1.99
- Rating4.7
- Reviews2,653
-
The 300: The Inside Story of the Missile Defenders Guarding America Against Nuclear Attack
by Daniel Wasserbly
- List rank#6
- Price$17.99
- Rating4.4
- Reviews139
-
Aliens Among Us: They're Not Aliens - They're Not Human: The Cryptoterrestrials and the Origins of UAP
by Greg Pasden
- List rank#7
- Price$3.69
- Rating4.2
- Reviews305
-
Project Maven: A Marine Colonel, His Team, and the Dawn of AI Warfare
by Katrina Manson
- List rank#8
- Price$16.41
- Rating4.4
- Reviews388
-
Unhumans: Socialist Revolution – Tactics for Patriots to Survive a Communist Uprising
- List rank#9
- Price$16.99
- Rating5.0
- Reviews7
-
Unhumans: The Secret History of Communist Revolutions (and How to Crush Them)
- List rank#10
- Price$16.99
- Rating4.7
- Reviews1,225
Same niche in Books: National & International Security
FAQ
Is National & International Security a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 358 reviews and sells for $10.99.
How many reviews do you need to rank in National & International Security?
The median best seller has 358 reviews, and 35% of them have fewer than 100.
What do National & International Security best sellers cost?
The median price is $10.99; half of the best sellers are priced between $7.99 and $14.99.
Can new books break into National & International Security?
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.