7th birthday shirt girl
Skip itA small market ($37K/yr) — this niche doesn't clear our bar today.
Competition
Great26%top-5 click share — an open shelf
Brand share
Great47%top-5 brand share — no brand owns this niche
Review moat
Great315.31avg incumbent reviews — the moat a new listing must climb
Avg price
Great$16.28avg listing price — sweet spot $15–$100
Price range
Good$7.05–$29.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.8%return rate — above 5% kills the launch gate
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-18.4%90-day search growth — must beat 0% to launch
Market size
Bad$37K$37K/yr · 145K searches
According to Flapen's Amazon United States niche tracking, 7th birthday shirt girl is a $37K/yr Amazon United States market (145K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Sep. Verdict: Skip it — 44/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
7th birthday shirt girl market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $49K–$65K
- units × avg price
- Conversion rate
- 1.6%
- Avg BSR
- #1,945
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 8.3%
- Avg brand age
- 22 months
- Avg seller age
- 206 days
Competition & brand share
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.Brands
40 falling
Sellers
42
Top-5 brand share
47%
Top 20: 87%
Top-5 click share
26%
Top 20: 63%
Open market
48%
- Unordinary Toddler15%
- BOUTIKOME10%
- MULOIUDZ10%
- Weripoah7%
- GLIGLITTR5%
- The Children's Place5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.4% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 1.9×
Top 7th birthday shirt girl search terms
- 7th birthday shirt girl49K/yr
- birthday girl shirt 720K/yr
- 7 year old girl birthday outfit11K/yr
- 7th birthday outfit girl15K/yr
- birthday outfit for 7 year old girl9K/yr
- 7 year old girl birthday shirt8K/yr
- 7 birthday shirt girl10K/yr
- girls 7th birthday shirt8K/yr
- 7 year old birthday shirt girl5K/yr
- birthday girl outfit 7 years old10K/yr
Top 7th birthday shirt 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Unicorn Birthday Shirts for Toddler Girls Outfit 7th 8th Shirt Seven Eight Year Old (US Age 8 Years Mauve - Seven)
Unordinary Toddler$12.904.8★359 rev

MULOIUDZ Seven Birthday Girl Shirts 7th Girls Birthday Outfits Kid Bow B-Day T-Shirt 7 Years Old Party Tees Gift Tops(Pink 7th)
MULOIUDZ$14.884.7★35 rev

The Childrens Place girls Birthday Graphic Tee T Shirt White Small US
The Children's Place$7.054.8★1,849 rev

7th Birthday Shirt Girl Birthday Girl Shirt-Classic Crewneck Cotton Tees(US Age 7Years Apricot Pink 7)
HELLO MEOW$9.754.4★33 rev

Weripoah I was 6 Now Im 7 Decorations Shirt for Girls 7th Funny Birthday Shirts Girl Six Seven Shirt for Kids(Pink 130)
Weripoah$17.764.8★9 rev
Newest
by launch date
Weripoah I was 6 Now Im 7 Decorations Shirt for Girls 7th Funny Birthday Shirts Girl Six Seven Shirt for Kids(Pink 130)
Weripoah$17.769 rev

Weripoah I was 6 Now Im 7 Decorations Shirt for Girls 7th Funny Birthday Shirts Girl Six Seven Shirt for Kids(Purple 130)
Weripoah$17.699 rev

I was 6 Now Im 7 Shirt Funny 67 7th Birthday Girl Shirt Gifts for Kids Rose Pink_1 6-7 Years
RANUAOE$16.4239 rev

MULOIUDZ Seven Birthday Girl Shirts 7th Girls Birthday Outfits Kid Bow B-Day T-Shirt 7 Years Old Party Tees Gift Tops(Pink 7th)
MULOIUDZ$14.8835 rev

MULOIUDZ Bow Birthday Girl Shirts Kid Toddler Girls B-Day T-Shirt Birthday Outfits Gifts Party Tees Short Sleeve Tops 1-8Y(Pink 6-7Y)
MULOIUDZ$14.8938 rev
Trending
90-day click momentum
Weripoah I was 6 Now Im 7 Decorations Shirt for Girls 7th Funny Birthday Shirts Girl Six Seven Shirt for Kids(Purple 130)
Weripoah$17.694.8★

Weripoah I was 6 Now Im 7 Decorations Shirt for Girls 7th Funny Birthday Shirts Girl Six Seven Shirt for Kids(Pink 130)
Weripoah$17.764.8★

MULOIUDZ Bow Birthday Girl Shirts Kid Toddler Girls B-Day T-Shirt Birthday Outfits Gifts Party Tees Short Sleeve Tops 1-8Y(Pink 6-7Y)
MULOIUDZ$14.894.9★

I was 6 Now Im 7 Shirt Funny 67 7th Birthday Girl Shirt Gifts for Kids Rose Pink_1 6-7 Years
RANUAOE$16.424.6★

MULOIUDZ Seven Birthday Girl Shirts 7th Girls Birthday Outfits Kid Bow B-Day T-Shirt 7 Years Old Party Tees Gift Tops(Pink 7th)
MULOIUDZ$14.884.7★
What buyers say about 7th birthday shirt girl
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“Super cute and kind and a great gift box”
“The quality of the shirt is great”
“Its exactly what is pictured”
“Super soft”
“is very comfortable”
“the colors are bright”
“Good material very comfortable”
“and the design is cute”
“Accurate sizing no shrinkage”
What buyers complain about
“Runs very small”
“Color is not correct”
“Cheaply made and poor quality”
“The material is a bit thin”
“Cheap material”
“the shirt is a design fail While the sequin shorts are adorable”
“But the item I received is dirty, previously worn and the wrong size”
“Not what I pictured”
“Not screen printed like picture makes it seem”
“so not overly soft”
Top return reasons
Common questions
- Is 7th birthday shirt girl profitable to sell on Amazon United States?
- The niche generates $37K/yr across 67 tracked products. 1 of 24 products launched in the last 360 days are still selling. 90-day search growth is -18.4%. Flapen's verdict: Skip it (44/100).
- How competitive is the 7th birthday shirt girl niche?
- 40 brands and 42 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 47% of demand.
- What do buyers complain about in 7th birthday shirt girl?
- Top complaints mined from reviews: Size-Overall, Color, Quality-Overall. The return rate is 4.8%.
- When does demand for 7th birthday shirt girl peak?
- Demand peaks in Sep; the busiest month runs 1.9× the quietest.
- What does it cost to enter the 7th birthday shirt girl niche?
- Listings span $7.05–$29.74; the average listing price is $16.28 (sweet spot $15–$100). The average incumbent carries 315 reviews — the moat a new listing must climb.