Is diapers size 5 profitable to sell on Amazon United States?

The niche generates $21.0M/yr across 10 tracked products. 90-day search growth is +1.7%. Flapen's verdict: Worth a look (51/100).

How competitive is the diapers size 5 niche?

3 brands and 66 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in diapers size 5?

Top complaints mined from reviews: Leak-Proof, Quality-Overall, Functionality-Overall. The return rate is 0.5%.

When does demand for diapers size 5 peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the diapers size 5 niche?

Listings span $10.05–$63.05; the average listing price is $38.09 (sweet spot $15–$100). The average incumbent carries 46,868 reviews — the moat a new listing must climb.

diapers size 5

Worth a look

Shows a $21.0M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size

Incredible$21.0M

$21.0M/yr · 3.6M searches

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Incredible15.2%

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

Avg price

Incredible$38.09

avg listing price — sweet spot $15–$100

Price range

Great$10.05–$63.05

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

Growth

Okay+1.7%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad86%

top-5 click share — a locked-up shelf

Review moat

Bad46,868.3

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, diapers size 5 is a $21.0M/yr Amazon United States market (3.6M searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

diapers size 5 market data

Units sold / yr: 500K–600K; avg 60,000–80,000/product
Revenue / yr: $19.0M–$22.9M; units × avg price
Conversion rate: 15.2%
Avg BSR: #7
Page quality: 0%
Prime: 100%
Sponsored: 40%
Out of stock: 0.0%
Avg brand age: 54 months
Avg seller age: 134 days

Competition & brand share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

HUGGIES61%
Pampers36%
MooMoo Baby3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top diapers size 5 search terms

diapers size 5922K/yr -2.5%4.3% conv.
size 5 diapers696K/yr +0.5%4.8% conv.
pampers size 5810K/yr -26.2%3.8% conv.
huggies size 5484K/yr +9.8%11.6% conv.
pampers swaddlers size 5190K/yr +162.2%1.1% conv.
millie moon diapers size 581K/yr +2.9%0.3% conv.
diaper size 552K/yr +11.1%2.9% conv.
size 5 pampers44K/yr +16.2%4.2% conv.
huggies size 5 diapers51K/yr -8.2%12.5% conv.
pampers baby dry42K/yr -0.3%0.5% conv.

All search terms

Top diapers size 5 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 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 132 Count (2 Packs of 66) Packaging May Vary

HUGGIES$52.604.8★46,925 rev

Pampers Diapers - Baby Dry - Size 5 132 Count Absorbent Disposable Infant Diaper (Packaging May Vary)

Pampers$42.794.7★97,820 rev

Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 104 Count Packaging May Vary

HUGGIES$40.514.8★46,925 rev

Pampers Diapers - Swaddlers 360 - Size 5 116 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)

Pampers$48.384.5★1,416 rev

Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 58 Count Packaging May Vary

HUGGIES$26.254.8★46,925 rev

Newest

by launch date

Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 58 Count Packaging May Vary

HUGGIES$26.2546,925 rev

1y ago

Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 132 Count (2 Packs of 66) Packaging May Vary

HUGGIES$52.6046,925 rev

1y ago

Pampers Diapers - Swaddlers 360 - Size 5 116 Count up to 100% Leakproof Comfy Dry Fit Designed for Easy Changes Pull On Baby Diaper (Packaging May Vary)

Pampers$48.381,416 rev

2y ago

MooMoo Baby Training Underwear for Boys and Girls Absorbent Toddler Training Pants Cotton Washable and Reusable 2T-7T 8 Packs

MooMoo Baby$31.2817,365 rev

4y ago

Pampers Diapers - Cruisers 360 - Size 5 100 Count Babyproof up to 100% Leakproof Pull-On Diaper

Pampers$37.9227,841 rev

5y ago

What buyers say about diapers size 5

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

What buyers love

Leak-Proof19%

“reliable leak protection”

Quality-Overall18%

“Great pampers quality as expected”

Value For Money10%

“Definitely worth the price”

Absorbency10%

“absorbent”

Size-Overall8%

“They fit snugly without being too tight”

Comfort-Overall6%

“comfortable”

Stretchability/Expandability/Elasticity6%

“the waistband is stretchy”

Soft Feel4%

“have been gentle on my children's skin”

Advertised Vs Actual Product4%

“Product is exactly as advertised”

Moist/Dry2%

“Even during long days or naps, they keep my child dry and comfortable”

What buyers complain about

Leak-Proof24%

“Not leak proof”

Quality-Overall10%

“quality is different”

Functionality-Overall9%

“Didnt work”

Velcro Quality7%

“Horrible velcro part keeps breaking off dispite how gentle”

Product Condition7%

“Code inside the diaper was used”

Thigh Fit7%

“these were so tight on her legs”

Allergies7%

“Skin Irritation”

Water Resistance3%

“fluid leaks through immediately so definitely not waterproof”

Hard Feel3%

“Not soft enought as target one”

Size-Overall3%

“Runs small, especially around the legs”

Top return reasons

Size-Overall69%

Advertised Vs Actual Product7%

Value For Money4%

Leak-Proof3%

Age Suitability3%

Absorbency2%

Smell2%

Thigh Fit1%

Functionality-Overall1%

Quality-Overall1%

Common questions

Is diapers size 5 profitable to sell on Amazon United States?: The niche generates $21.0M/yr across 10 tracked products. 90-day search growth is +1.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the diapers size 5 niche?: 3 brands and 66 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in diapers size 5?: Top complaints mined from reviews: Leak-Proof, Quality-Overall, Functionality-Overall. The return rate is 0.5%.
When does demand for diapers size 5 peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the diapers size 5 niche?: Listings span $10.05–$63.05; the average listing price is $38.09 (sweet spot $15–$100). The average incumbent carries 46,868 reviews — the moat a new listing must climb.