2nd birthday
Skip itA small market ($52K/yr) — this niche doesn't clear our bar today.
Brand share
Incredible40%top-5 brand share — no brand owns this niche
Competition
Great23%top-5 click share — an open shelf
Avg price
Great$17.77avg listing price — sweet spot $15–$100
Review moat
Great392.7avg incumbent reviews — the moat a new listing must climb
Price range
Good$7.55–$32.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.3%return rate — above 5% kills the launch gate
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-12.3%90-day search growth — must beat 0% to launch
Market size
Bad$52K$52K/yr · 285K searches
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, 2nd birthday is a $52K/yr Amazon United States market (285K searches/yr). The top 5 brands hold 40% of demand. Demand peaks in Jan. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
2nd birthday market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $53K–$71K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #221
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 98%
- Out of stock
- 0.8%
- Avg brand age
- 28 months
- Avg seller age
- 184 days
Competition & brand share
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.Brands
46 falling
Sellers
49
Top-5 brand share
40%
Top 20: 83%
Top-5 click share
23%
Top 20: 52%
Open market
55%
- Viworld11%
- GLIGLITTR8%
- Unordinary Toddler7%
- KEKEMI7%
- IMEKIS6%
- Socutebabe6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.8×
Top 2nd birthday search terms
- 2nd birthday66K/yr
- two birthday outfit girl34K/yr
- second birthday outfit girl31K/yr
- 2 year old birthday outfit18K/yr
- 2nd birthday girl19K/yr
- 2nd birthday outfit17K/yr
- 2nd birthday dress15K/yr
- birthday dress for 2 year old girl22K/yr
- happy 2nd birthday girl16K/yr
- 2 year old birthday dress12K/yr
Top 2nd birthday 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
2nd Birthday Outfits for Toddler Girls im Two Cute Shirt Girl 2 Years Old Second Birthday (Mauve 3 Years)
Unordinary Toddler$12.924.8★4,812 rev

KEKEMI Birthday Shirt for Toddler Girl IM Two Cute Birthday Girl T-Shirt 2T B-Day Party Outfit Short Sleeve Tee Tops Clothes(Beige 2T)
KEKEMI$14.744.8★223 rev

GOOCHEER Baby Girl Second Birthday Outfit 2 Cake Embroidery 2nd Birthday Dress Smash Cake Dresses (2nd-Pink 2-3T)
GOOCHEER$14.574.5★195 rev

Viworld Toddler Baby Girl Clothes Two Sweet Birthday Outfit Short Sleeve Ruffle Top +Donut Skirts 2nd Birthday Outfits Girl 3Pcs
Viworld$19.814.7★1,430 rev

Socutebabe First 2nd 3rd 4th 5th Birthday Outfit Girl B Day Jumpsuit Toddler Halter Romper Bell Bottoms Outfits For Girls (B Day Girl Donut Pink 2-3T)
Socutebabe$15.394.3★63 rev
Newest
by launch date
CREAIRY Toddler Baby Boy 1st 2nd Birthday Outfit Dinosaur Short Sleeve T-Shirt Tops Shorts Set Summer Clothes (Two 2-3T)
CREAIRY$16.6141 rev

Viworld Toddler Baby Girl 2nd Birthday Outfits Letter Short Sleeve Shirt And Shorts Two Years Old Gifts Summer Clothes(Apricot#A 2-3T)
Viworld$15.0841 rev

Viworld Toddler Baby Girl 2nd Birthday Outfits Letter Short Sleeve Shirt And Shorts Two Years Old Gifts Summer Clothes(Apricot 2-3T)
Viworld$15.0741 rev

Saliuentm 2nd Birthday Outfit Girl Baby Letters Embroidery Ruffle Sleeveless Tank Tops Elastic Waist Shorts Two Year Old Girl Birthday Outfit (C-Pink 18-24 Months)
Saliuentm$15.1949 rev

XRTBMN Birthday Girl Toddler Outfit Infant Baby Short Sleeve Letter Shirts and Ruffled Gingham Skirts Set 2Pcs Summer Clothes (Pink 2-3T)
XRTBMN$14.6715 rev
Trending
90-day click momentum
CREAIRY Toddler Baby Boy 1st 2nd Birthday Outfit Dinosaur Short Sleeve T-Shirt Tops Shorts Set Summer Clothes (Two 2-3T)
CREAIRY$16.614.6★

Viworld Toddler Baby Girl 2nd Birthday Outfits Letter Short Sleeve Shirt And Shorts Two Years Old Gifts Summer Clothes(Apricot 2-3T)
Viworld$15.074.5★

KEKEMI Birthday Shirt for Toddler Girl IM Two Cute Birthday Girl T-Shirt 2T B-Day Party Outfit Short Sleeve Tee Tops Clothes(Pink-1 2T)
KEKEMI$14.874.8★

XRTBMN Birthday Girl Toddler Outfit Infant Baby Short Sleeve Letter Shirts and Ruffled Gingham Skirts Set 2Pcs Summer Clothes (Pink 2-3T)
XRTBMN$14.674.9★

Saliuentm 2nd Birthday Outfit Girl Baby Letters Embroidery Ruffle Sleeveless Tank Tops Elastic Waist Shorts Two Year Old Girl Birthday Outfit (C-Pink 18-24 Months)
Saliuentm$15.194.4★
What buyers say about 2nd birthday
What buyers praise and complain about, mined from review topics.What buyers love
“the fit was true to size”
“Adorable, good quality”
“Bright colors”
“comfortable”
“Great material, very soft”
“Good quality and soft to the touch”
“Definitely a great choice as its affordable”
“Product was as described”
“The design is beautiful”
“It was a gift”
What buyers complain about
“Doesnt fit right”
“Not the best material”
“2 fell off”
“not super thick we ordered last minute for her birthday party”
“not as high-quality as expected”
“This outfit gave my son an allergic reaction”
“Do not dry”
“Used product”
“However, the snaps on the bottom feel a little flimsy”
“The screen print cracked after one wash”
Top return reasons
Common questions
- Is 2nd birthday profitable to sell on Amazon United States?
- The niche generates $52K/yr across 103 tracked products. 1 of 28 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (46/100).
- How competitive is the 2nd birthday niche?
- 46 brands and 49 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 40% of demand.
- What do buyers complain about in 2nd birthday?
- Top complaints mined from reviews: Size-Overall, Material Quality, Durability. The return rate is 4.3%.
- When does demand for 2nd birthday peak?
- Demand peaks in Jan; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 2nd birthday niche?
- Listings span $7.55–$32.29; the average listing price is $17.77 (sweet spot $15–$100). The average incumbent carries 393 reviews — the moat a new listing must climb.