baby pants 12-18 months
Skip itSoft demand (-35.9% this quarter) — this niche doesn't clear our bar today.
Competition
Incredible13%top-5 click share — an open shelf
Avg price
Great$19.93avg listing price — sweet spot $15–$100
Price range
Great$10.30–$59.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good69%top-5 brand share — brands hold most of the demand
Returns
Okay3.1%return rate — above 5% kills the launch gate
Market size
Okay$178K$178K/yr · 401K searches
Conversion
Okay2.2%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad12,287.91avg incumbent reviews — the moat a new listing must climb
Growth
Bad-35.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, baby pants 12-18 months is a $178K/yr Amazon United States market (401K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
baby pants 12-18 months market data
- Units sold / yr
- 13K–15K
- avg 0–100/product
- Revenue / yr
- $249K–$299K
- units × avg price
- Conversion rate
- 2.2%
- Avg BSR
- #83
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 84%
- Out of stock
- 7.5%
- Avg brand age
- 33 months
- Avg seller age
- 151 days
Competition & brand share
Clicks spread well past the top 5 (13% combined) — an open shelf where new products get seen.Brands
33 rising
Sellers
34
Top-5 brand share
69%
Top 20: 96%
Top-5 click share
13%
Top 20: 33%
Open market
26%
- Simple Joys by Carter's28%
- Gerber14%
- Amazon Essentials14%
- DREAM BUS7%
- Garanimals6%
- The Peanutshell5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -35.9% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 3.6×
Top baby pants 12-18 months search terms
- baby pants 12-18 months34K/yr
- 12 month boy pants38K/yr
- 12 month pants27K/yr
- 18 month pants30K/yr
- 18 month boy pants35K/yr
- 6-9 month pants17K/yr
- baby boy joggers19K/yr
- 6-9 month boy pants26K/yr
- baby boy pants 12-18 months22K/yr
- 24 month boy pants24K/yr
Top baby pants 12-18 months 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
Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 18 Months
Simple Joys by Carter's$16.724.8★67,716 rev
Simple Joys by Carters Baby Boys 4-Pack Cotton Pants
Simple Joys by Carter's$16.394.8★67,716 rev
DREAM BUS Pack of 3 Toddler Jogger Pants with Pocket Toddler Boy Sweatpants Baby Boy Pants Infant Newborn Leggings
DREAM BUS$19.434.7★266 rev
Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 12 Months
Simple Joys by Carter's$17.444.8★67,716 rev
Ashmyova Classic Casual Pants for Boys Thin Cotton Stripe Elastics Waist Spring Summer Trousers Toddler Long Pants 2Pcs Black/Khaki Size 12-18 Months
Ashmyova$17.984.6★350 rev
Newest
by launch dateSimple Joys Baby Boys 4-pack pant Pants Blue/Grey 18 Months
Simple Joys by Carter's$16.7267,716 rev
Simple Joys by Carters Baby Boys 4-Pack Cotton Pants
Simple Joys by Carter's$16.3967,716 rev
Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 12 Months
Simple Joys by Carter's$17.4467,716 rev
Simple Joys Baby Boys 4-pack pant Pants Grey/Blue/Red Side Stripe 18 Months
Simple Joys by Carter's$16.7067,716 rev
Simple Joys by Carters Baby 3-Pack Thermal Pants Beige/Dark Grey/Grey Preemie
Simple Joys by Carter's$13.093,444 rev
Trending
90-day click momentum
Amazon Essentials x Sofia Grainge Baby Boys Nylon Parachute Pants Dark Olive 18 Months
Amazon Essentials$12.864.4★
Simple Joys by Carters Baby 4-pack Pant black/grey/navy/mint 18 Months
Simple Joys by Carter's$17.114.8★
Garanimals Baby Boy Solid Jogger Pants - Machine-Washable Kids Clothes - Size 18 Months - Black Navy Blue Medium Grey Dark Green - 4 Pack Set
Garanimals$27.764.7★
Butterblu Jordan 4-Pack Jogger Pants 100% Organic Cotton Bottoms for Boys & Girls Seafoam 3-6 Months
Butterblu$25.894.7★
JARMAKO Baby Boys Cotton Pants Sweatpants Shadow Crew 12-18 Months
JARMAKO$19.934.7★
What buyers say about baby pants 12-18 months
What buyers praise and complain about, mined from review topics.What buyers love
“not too tight”
“Good quality”
“Soft and stretchy”
“Fits comfortably”
“The material feels lightweight”
“great stretch”
“The colors are beautiful”
“Good looking and durable”
“Great value”
“Super thick good quality”
What buyers complain about
“Too small”
“Too thin, rips easily”
“Runs big in length and waist”
“Didn't care for the generic material appearing fake and shiny”
“not super elastic”
“See through”
“Just not the best”
“Thin material”
“the black one isn't very fashionable”
“These are really tight in the legs, which is not what I expected from U shaped pants, slightly long and surprisingly thin”
Top return reasons
Common questions
- Is baby pants 12-18 months profitable to sell on Amazon United States?
- The niche generates $178K/yr across 192 tracked products. 37 of 99 products launched in the last 360 days are still selling. 90-day search growth is -35.9%. Flapen's verdict: Skip it (46/100).
- How competitive is the baby pants 12-18 months niche?
- 33 brands and 34 sellers compete. The top 5 products take 13% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in baby pants 12-18 months?
- Top complaints mined from reviews: Size-Overall, Thickness, Waist Fit. The return rate is 3.1%.
- When does demand for baby pants 12-18 months peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 3.6× the quietest.
- What does it cost to enter the baby pants 12-18 months niche?
- Listings span $10.30–$59.96; the average listing price is $19.93 (sweet spot $15–$100). The average incumbent carries 12,288 reviews — the moat a new listing must climb.