KDP categories · Top KDP authors
Birthdays: Amazon KDP category data
Amazon Books Best Sellers data for Birthdays, updated Nov 3, 2026: median price $7.99, median 728 reviews, average rating 4.8 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $6.40 – $10.24 |
|---|---|
| Average rating | 4.8 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 27% of the parent category Holidays & Celebrations (2,668), one of the easier corners under it.
- At $7.99 its median price is below 96% of Books categories, so it is a volume game.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Birthdays best sellers
-
The Polar Express: A Caldecott Award Winner― Great for Holiday and Christmas Reading or Gifting
- List rank#1
- Price$11.01
- Rating4.9
- Reviews21,039
-
Now You Are One: Little Bird Greetings, Greeting Card Board Book with Personalization Flap, 1st Birthday Gifts for One Year Olds
by Minnie Birdsong
- List rank#2
- Price$6.29
- Rating4.7
- Reviews18,919
-
Puppy Birthday to You! (Paw Patrol) (Little Golden Book)
by Tex Huntley
- List rank#3
- Price$3.98
- Rating4.8
- Reviews15,279
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-
Happy Birthday from The Very Hungry Caterpillar (The World of Eric Carle)
by Eric Carle
- List rank#6
- Price$6.38
- Rating4.8
- Reviews5,351
-
The Scarecrow: A Heartwarming Picture Book for Autumn and Halloween About Unexpected Friendship
by Beth Ferry
- List rank#7
- Price$18.59
- Rating4.9
- Reviews1,907
-
I'm 8, It's Great Mad Libs: World's Greatest Word Game
by Kim Ostrow
- List rank#8
- Price$6.51
- Rating4.8
- Reviews163
-
Happy Birthday, Little Pookie
- List rank#9
- Price$6.13
- Rating4.9
- Reviews1,665
-
The Seven Silly Eaters: A Funny Family Story About Food and Picky Eating for Children (Ages 4–8)
by Mary Ann Hoberman
- List rank#10
- Price$7.99
- Rating4.9
- Reviews1,795
FAQ
Is Birthdays a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 728 reviews and sells for $7.99.
How many reviews do you need to rank in Birthdays?
The median best seller has 728 reviews, and 11% of them have fewer than 100.
What do Birthdays best sellers cost?
The median price is $7.99; half of the best sellers are priced between $6.40 and $10.24.
Can new books break into Birthdays?
4% 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.