Is birthday boy profitable to sell on Amazon United States?

The niche generates $160K/yr across 29 tracked products. 1 of 10 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Skip it (35/100).

How competitive is the birthday boy niche?

10 brands and 14 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in birthday boy?

Top complaints mined from reviews: Size-Overall, Value For Money, Design-Overall. The return rate is 3.8%.

When does demand for birthday boy peak?

Demand peaks in Nov–Dec; the busiest month runs 8.4× the quietest.

What does it cost to enter the birthday boy niche?

Listings span $7.58–$17.71; the average listing price is $13.37 (sweet spot $15–$100). The average incumbent carries 835 reviews — the moat a new listing must climb.

birthday boy

Skip it

Weak search conversion (1.4%) — this niche doesn't clear our bar today.

Review moat

Good834.62

avg incumbent reviews — the moat a new listing must climb

Competition

Good48%

top-5 click share — leaders hold, buyers still browse

Avg price

Good$13.37

avg listing price — sweet spot $15–$100

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Market size

Okay$160K

$160K/yr · 858K searches

Price range

Okay$7.58–$17.71

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Bad91%

top-5 brand share — brand-locked demand

Growth

Bad-7.8%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.4%

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United States niche tracking, birthday boy is a $160K/yr Amazon United States market (858K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 35/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

birthday boy market data

Units sold / yr: 13K–15K; avg 250–500/product
Revenue / yr: $167K–$201K; units × avg price
Conversion rate: 1.4%
Avg BSR: #282
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.7%
Avg brand age: 26 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

48%

Top 20: 85%

Open market

Unordinary Toddler55%
GLIGLITTR15%
The Children's Place11%
Zypynith6%
ZOELNIC4%
AG AGUU2%
Open — no brand owns it (4 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.8% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 8.4×

Open Trend

Top birthday boy search terms

birthday boy shirt230K/yr -8.1%0.3% conv.
birthday boy178K/yr -4.2%0.0% conv.
birthday shirt boy86K/yr -9.2%0.3% conv.
boys birthday shirt45K/yr -8.8%0.4% conv.
birthday boy shirt 637K/yr -11.1%0.2% conv.
birthday boy shirt 242K/yr -7.7%0.3% conv.
birthday boy shirt 539K/yr -19.3%0.4% conv.
birthday boy shirt 441K/yr -20.3%0.3% conv.
its my birthday shirt boys34K/yr -32.4%0.2% conv.
birthday boy t shirt14K/yr +91.0%0.2% conv.

All search terms

Top birthday 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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

GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Black2 2T)

GLIGLITTR$14.124.7★357 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

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$14.994.6★39 rev

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★39 rev

Newest

by launch date

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

4mo ago

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

4mo ago

Birthday boy Shirt Toddler Construction Shirts Boys 2t 3t 4 Year Old Excavator Theme Party t-Shirt 5 Kids 6th Outdoor Play (US Age 4 Years French Blue - 3rd)

Unordinary Toddler$12.9443 rev

4mo ago

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

5mo ago

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$14.0539 rev

5mo ago

What buyers say about birthday boy

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall28%

“Fits great”

Quality-Overall27%

“Good quality”

Soft Feel8%

“soft and stylish”

Advertised Vs Actual Product8%

“As described”

Color6%

“colors so nice”

Material Quality6%

“The material is super soft - perfect for kiddos”

Value For Money6%

“Good for the price”

Durability3%

“It's durable and looks wonderful on him, and I'm looking forward to seeing this on him at his summer birthday”

Design-Overall2%

“The design is bright”

Washability2%

“washes well”

What buyers complain about

Size-Overall33%

“Returned on the small side”

Value For Money10%

“I didn't spend money for this garbage”

Design-Overall10%

“the back design melted together”

Durability5%

“because it isnt durable with normal use”

Neck Fit5%

“have a very big neck looks like already used someone before I brought it”

Quality-Overall5%

“Poor Quality”

Material Quality3%

“Horrible material and smell”

Smell3%

“Horrible material and smell”

Hard Feel3%

“The shirt is so stiff”

Advertised Vs Actual Product3%

“the picture is faded”

Top return reasons

Size-Overall62%

Length12%

Material Quality5%

Chest Fit4%

Color2%

Advertised Vs Actual Product2%

Value For Money2%

Sleeve Fit2%

Neck Fit1%

Quality-Overall1%

Common questions

Is birthday boy profitable to sell on Amazon United States?: The niche generates $160K/yr across 29 tracked products. 1 of 10 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Skip it (35/100).
How competitive is the birthday boy niche?: 10 brands and 14 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in birthday boy?: Top complaints mined from reviews: Size-Overall, Value For Money, Design-Overall. The return rate is 3.8%.
When does demand for birthday boy peak?: Demand peaks in Nov–Dec; the busiest month runs 8.4× the quietest.
What does it cost to enter the birthday boy niche?: Listings span $7.58–$17.71; the average listing price is $13.37 (sweet spot $15–$100). The average incumbent carries 835 reviews — the moat a new listing must climb.

birthday boy

birthday boy market data

Competition & brand share

Demand & seasonality

Top birthday boy search terms

Top birthday boy products on Amazon

Top sellers

Newest

Trending

What buyers say about birthday boy

What buyers love

What buyers complain about

Top return reasons

Common questions

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