5th birthday shirt boy
Skip itSoft demand (-12.1% this quarter) — this niche doesn't clear our bar today.
Competition
Incredible15%top-5 click share — an open shelf
Review moat
Great407.55avg incumbent reviews — the moat a new listing must climb
Avg price
Good$14.44avg listing price — sweet spot $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Price range
Okay$6.83–$19.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.2%return rate — above 5% kills the launch gate
Market size
Okay$146K$146K/yr · 431K searches
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-12.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 5th birthday shirt boy is a $146K/yr Amazon United States market (431K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Mar. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
5th birthday shirt boy market data
- Units sold / yr
- 10K–13K
- avg 0–100/product
- Revenue / yr
- $144K–$181K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #4,059
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 1.4%
- Avg brand age
- 24 months
- Avg seller age
- 181 days
Competition & brand share
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.Brands
48 falling
Sellers
47
Top-5 brand share
66%
Top 20: 92%
Top-5 click share
15%
Top 20: 42%
Open market
30%
- Unordinary Toddler32%
- GLIGLITTR12%
- ZOELNIC10%
- AG AGUU7%
- Tstars6%
- HELLO MEOW3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.1% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 2.1×
Top 5th birthday shirt boy search terms
- 5th birthday shirt boy72K/yr
- 6th birthday shirt boy62K/yr
- 7th birthday shirt boy50K/yr
- 4th birthday shirt boy55K/yr
- birthday boy shirt 724K/yr
- 2nd birthday shirt boy32K/yr
- birthday boy shirt 819K/yr
- 5 year old boy birthday shirt11K/yr
- 4 year old boy birthday shirt12K/yr
- 6 year old boy birthday shirt10K/yr
Top 5th birthday shirt boy 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
Unordinary Toddler Boys 6th Birthday Shirt (Charcoal Blue 7 Years)
Unordinary Toddler$12.764.8★1,813 rev
Birthday boy Shirt Toddler Boys Outfit First Happy 2t 3t 4 Year Old 5 Kids 6th (Charcoal Black 12 Months)
Unordinary Toddler$12.694.8★4,726 rev
Unordinary Toddler 5th Birthday Shirt Boys 5 Year Old Birthday boy Five Shirt Gifts Fifth Years (US Age 6 Years Charcoal Blue)
Unordinary Toddler$12.814.8★3,405 rev
5th Birthday Shirt Toddler Boy 5 Year Old Birthday T-Shirt Short Sleeve 2-Sided Print Tee Tops Outfit (Teal Blue 5T)
ZOELNIC$14.054.4★74 rev
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 7 Years French Blue - 6th)
Unordinary Toddler$13.034.9★43 rev
Newest
by launch date
5th Birthday Shirt Toddler Boy 5 Year Old Birthday T-Shirt Short Sleeve 2-Sided Print Tee Tops Outfit (Jet Black 5T)
ZOELNIC$13.8474 rev
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 7 Years French Blue - 6th)
Unordinary Toddler$13.0343 rev
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 5 Years French Blue - 4th)
Unordinary Toddler$13.0243 rev
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 6 Years French Blue - 5th)
Unordinary Toddler$13.3343 rev
GLIGLITTR Birthday Boy Shirt Birthday Dude Tshirt 2nd 3rd 4th 5th 6th 7th 8th Toddler Boys Bday Party Short Sleeve Outfit Top(Apricot 2-3T)
GLIGLITTR$14.9939 rev
Trending
90-day click momentumBirthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 6 Years French Blue - 5th)
Unordinary Toddler$13.334.9★
Birthday boy Shirt Toddler Boys Outfit First Happy 12m 2t 3t 4 Year Old 5 Kids 6th Number Printed T-Shirt (US Age 7 Years Charcoal Black - 6th)
Unordinary Toddler$14.054.8★
Birthday boy Shirt Toddler Boys Outfit First Happy 12m 2t 3t 4 Year Old 5 Kids 6th Number Printed T-Shirt (US Age 5 Years Charcoal Black - 4th)
Unordinary Toddler$14.534.8★
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 7 Years French Blue - 6th)
Unordinary Toddler$13.034.9★
Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 5 Years French Blue - 4th)
Unordinary Toddler$13.024.9★
What buyers say about 5th birthday shirt boy
What buyers praise and complain about, mined from review topics.What buyers love
“not too tight”
“This is really high quality shirt”
“Its soft”
“Great Green Color”
“Good material”
“As advertised”
“Good for the price”
“It's comfortable”
“The design is cute”
“Very cute printing”
What buyers complain about
“size down”
“Cheap”
“material is cheap”
“The prints are dull and small”
“not worth the hives”
“Material was thick”
“looked very used”
“the neck size is a little bit wider”
“the picture is faded”
“This outfit gave my son an allergic reaction”
Top return reasons
Common questions
- Is 5th birthday shirt boy profitable to sell on Amazon United States?
- The niche generates $146K/yr across 165 tracked products. 9 of 58 products launched in the last 360 days are still selling. 90-day search growth is -12.1%. Flapen's verdict: Skip it (46/100).
- How competitive is the 5th birthday shirt boy niche?
- 48 brands and 47 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in 5th birthday shirt boy?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 4.2%.
- When does demand for 5th birthday shirt boy peak?
- Demand peaks in Mar; the busiest month runs 2.1× the quietest.
- What does it cost to enter the 5th birthday shirt boy niche?
- Listings span $6.83–$19.94; the average listing price is $14.44 (sweet spot $15–$100). The average incumbent carries 408 reviews — the moat a new listing must climb.