birthday girl
Skip itA concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Price range
Good$3.40–$28.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,914.92avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Avg price
Okay$10.77avg listing price — sweet spot $15–$100
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Okay$128K$128K/yr · 368K searches
Growth
Bad-2.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad84%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, birthday girl is a $128K/yr Amazon United States market (368K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Feb–Mar–Apr–May–Jun. Verdict: Skip it — 36/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
birthday girl market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- $108K–$135K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #91
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 24 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
17
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
12%
- TOBATOBA33%
- Chanaco29%
- BOUTIKOME11%
- Papoopy8%
- AOPRIE4%
- CIEHER3%
- Open — no brand owns it (6 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.8% search growth over the last 90 days.Peak months: Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 3.7×
Top birthday girl search terms
- birthday girl364K/yr
- burthday girl2K/yr
- bday girl2K/yr
Top birthday girl products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TOBATOBA Birthday Crowns and Sash for Women Rose Gold Princess Birthday Decorations
TOBATOBA$10.074.7★599 rev
Chanaco Happy Birthday Crown and Sash Kit for Women and Girls - Rhinestone Tiara and Sashes with BIRTHDAY GIRL Sash for Party Favors
Chanaco$10.024.7★194 rev
BOUTIKOME Birthday Girl Shirts Toddler Kid Girls Tie Dye T-Shirt Birthday Outfits Summer Tees B-Day Gifts Party Tops 1-10Y(Purple 6-7Y)
BOUTIKOME$14.794.7★234 rev
Papoopy Birthday Headband with Sash for Women Birthday Crwon Tiara for Decorations
Papoopy$5.214.7★215 rev
CIEHER Birthday Girl Headband Crown for Women & Girls - Pink Glitter Letter Tiara - One Size Fits All - Birthday Decoration & Gift
CIEHER$6.024.6★453 rev
Newest
by launch datePapoopy Birthday Headband with Sash for Women Birthday Crwon Tiara for Decorations
Papoopy$5.21215 rev
Fystdtote Gifts for Teen Girls Kids | Birthday Gift for 3 4 5 6 7 8 9 10 11 12 13 14 Year Old Girl Crossbody Sling Bag Backpack Fanny Pack Purse Cute Trendy Stuff - Lavender A
Fystdtote$14.9758 rev
GZJINYUAN 3Pcs Birthday Girl Sash Headband Set- Glitter Sashs Rhinestone Headband Sunglasses Birthday Sash Accessories for Women Girls (Pink)
GZJINYUAN$14.5798 rev
BOUTIKOME Birthday Girl Shirts Toddler Kid Girls Tie Dye T-Shirt Birthday Outfits Summer Tees B-Day Gifts Party Tops 1-10Y(Purple 6-7Y)
BOUTIKOME$14.79234 rev
CIEHER Birthday Girl Headband Crown for Women & Girls - Pink Glitter Letter Tiara - One Size Fits All - Birthday Decoration & Gift
CIEHER$6.02453 rev
Trending
90-day click momentumBOUTIKOME Birthday Girl Shirts Toddler Kid Girls Tie Dye T-Shirt Birthday Outfits Summer Tees B-Day Gifts Party Tops 1-10Y(Purple 6-7Y)
BOUTIKOME$14.794.7★
GZJINYUAN 3Pcs Birthday Girl Sash Headband Set- Glitter Sashs Rhinestone Headband Sunglasses Birthday Sash Accessories for Women Girls (Pink)
GZJINYUAN$14.574.4★
Fystdtote Gifts for Teen Girls Kids | Birthday Gift for 3 4 5 6 7 8 9 10 11 12 13 14 Year Old Girl Crossbody Sling Bag Backpack Fanny Pack Purse Cute Trendy Stuff - Lavender A
Fystdtote$14.974.6★
Birthday Girl Shirt Toddler T-Shirt Kid Birthday Party Outfit Tee Gift for Girls 1st 2nd 3rd 4th 5th 6th 7th 8th Tops (White on Mauve 12 Months)
Unordinary Toddler$12.174.8★
Chanaco Happy Birthday Crown and Sash Kit for Women and Girls - Rhinestone Tiara and Sashes with BIRTHDAY GIRL Sash for Party Favors
Chanaco$10.024.7★
What buyers say about birthday girl
What buyers praise and complain about, mined from review topics.What buyers love
“Awesome quality”
“wonderful soft sweet subtle scent”
“Great gift”
“Exactly what I was looking for”
“Moisturizing”
“Worth it”
“Perfect size”
“This and a fun birthday card that plays a song and you are sorted out”
“Sturdy and colorful”
“Sparkle”
What buyers complain about
“Unpleasant Smell”
“a little bit too big for my 8 year old”
“Cheap and useless”
“Broke same day it was worn”
“Don't know how moisturizing it is”
“A little expensive considering its simplicity”
“Looks like someone returned it already”
“Heavy crown”
“Not sturdy”
“she said it was itchy so only wore it for some pictures”
Top return reasons
Common questions
- Is birthday girl profitable to sell on Amazon United States?
- The niche generates $128K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.8%. Flapen's verdict: Skip it (36/100).
- How competitive is the birthday girl niche?
- 12 brands and 17 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in birthday girl?
- Top complaints mined from reviews: Smell, Size-Overall, Quality-Overall. The return rate is 0.9%.
- When does demand for birthday girl peak?
- Demand peaks in Feb–Mar–Apr–May–Jun; the busiest month runs 3.7× the quietest.
- What does it cost to enter the birthday girl niche?
- Listings span $3.40–$28.58; the average listing price is $10.77 (sweet spot $15–$100). The average incumbent carries 1,915 reviews — the moat a new listing must climb.