---
title: "Birthday Boy — $160K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/birthday-boy"
last_updated: "2026-08-09T20:25:22.764Z"
locale: en
meta:
description: "Niche score 35/100 · $160K/yr market · 858K searches/yr · $13.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $160K/yr market · 858K searches/yr · $13.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Birthday Boy — $160K/yr Amazon US Niche (2026) - Flapen"
---
# **birthday boy**
**Skip it**
Weak search conversion (1.4%) — this niche doesn't clear our bar today.
Market size 34Growth 21Conversion 17Competition 62Returns 40Price range 27Avg price 61Brand share 23Review moat 67Quality gap 19
**Review moat**
**Good****834.62**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Good****$13.37**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****3.8%**
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**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-7.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.4%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**14**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**48%**
Top 20: 85%
**Open market**
**7%**
- 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.
300K200KSpike '24Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 8.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/birthday-boy/trend)
## **Top birthday boy search terms**
- **birthday boy shirt**230K/yr-8.1%0.3% conv. - **birthday boy**178K/yr-4.2%0.0% conv. - **birthday shirt boy**86K/yr-9.2%0.3% conv. - **boys birthday shirt**45K/yr-8.8%0.4% conv. - **birthday boy shirt 6**37K/yr-11.1%0.2% conv. - **birthday boy shirt 2**42K/yr-7.7%0.3% conv. - **birthday boy shirt 5**39K/yr-19.3%0.4% conv. - **birthday boy shirt 4**41K/yr-20.3%0.3% conv. - **its my birthday shirt boys**34K/yr-32.4%0.2% conv. - **birthday boy t shirt**14K/yr+91.0%0.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/birthday-boy/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.
0%10%$16K20%$32K30%$48K40%$64K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Birthday boy Shirt Toddler Boys Outfit First Happy 2t 3t 4 Year Old 5 Kids 6th (Charcoal Black 12 Months)**Unordinary Toddler**$12.69**4.8★4,726 rev](https://www.amazon.com/dp/B08G1BW7B8) [2**GLIGLITTR Two Cool Birthday Shirt 2nd Birthday Boy Tshirt 2 Year Old Toddler Boys Second Bday Party Short Sleeve Outfits Tops(Black2 2T)**GLIGLITTR**$14.12**4.7★357 rev](https://www.amazon.com/dp/B0DSBNFCJV) [3**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**$13.03**4.9★43 rev](https://www.amazon.com/dp/B0GPF44LJT) [4**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**$14.99**4.6★39 rev](https://www.amazon.com/dp/B0GLP5DXWX) [5**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**$14.05**4.8★39 rev](https://www.amazon.com/dp/B0GKY8Q47R)
**~~View all top sellers →~~**
### **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**$13.03**43 rev4mo ago](https://www.amazon.com/dp/B0GPF44LJT) [**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**$13.02**43 rev4mo ago](https://www.amazon.com/dp/B0GPDCT7MV) [**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**$12.94**43 rev4mo ago](https://www.amazon.com/dp/B0GPDBRNDX) [**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**$14.99**39 rev5mo ago](https://www.amazon.com/dp/B0GLP5DXWX) [**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**$14.05**39 rev5mo ago](https://www.amazon.com/dp/B0GKY8Q47R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$13.03**4.9★**▲ 32%**](https://www.amazon.com/dp/B0GPF44LJT) [**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**$14.05**4.8★**▲ 31%**](https://www.amazon.com/dp/B0GKY8Q47R) [**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**$12.94**4.9★**▲ 31%**](https://www.amazon.com/dp/B0GPDBRNDX) [**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**$14.53**4.8★**▲ 31%**](https://www.amazon.com/dp/B0GKY574G2) [**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**$13.02**4.9★**▲ 31%**](https://www.amazon.com/dp/B0GPDCT7MV)
**~~View all trending →~~**
## **What buyers say about birthday boy**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**28%
*“Fits great”*
**Quality-Overall**27%
*“Good quality”*
**Soft Feel**8%
*“soft and stylish”*
**Advertised Vs Actual Product**8%
*“As described”*
**Color**6%
*“colors so nice”*
**Material Quality**6%
*“The material is super soft - perfect for kiddos”*
**Value For Money**6%
*“Good for the price”*
**Durability**3%
*“It's durable and looks wonderful on him, and I'm looking forward to seeing this on him at his summer birthday”*
**Design-Overall**2%
*“The design is bright”*
**Washability**2%
*“washes well”*
### **What buyers complain about **
**Size-Overall**33%
*“Returned on the small side”*
**Value For Money**10%
*“I didn't spend money for this garbage”*
**Design-Overall**10%
*“the back design melted together”*
**Durability**5%
*“because it isnt durable with normal use”*
**Neck Fit**5%
*“have a very big neck looks like already used someone before I brought it”*
**Quality-Overall**5%
*“Poor Quality”*
**Material Quality**3%
*“Horrible material and smell”*
**Smell**3%
*“Horrible material and smell”*
**Hard Feel**3%
*“The shirt is so stiff”*
**Advertised Vs Actual Product**3%
*“the picture is faded”*
### **Top return reasons **
**Size-Overall**62%
**Length**12%
**Material Quality**5%
**Chest Fit**4%
**Color**2%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Sleeve Fit**2%
**Neck Fit**1%
**Quality-Overall**1%
## **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.
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