Is 30th birthday candle profitable to sell on Amazon United States?

The niche generates $196K/yr across 28 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +6.0%. Flapen's verdict: Skip it (49/100).

How competitive is the 30th birthday candle niche?

22 brands and 27 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in 30th birthday candle?

Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.2%.

When does demand for 30th birthday candle peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the 30th birthday candle niche?

Listings span $3.93–$14.02; the average listing price is $6.36 (sweet spot $15–$100). The average incumbent carries 1,310 reviews — the moat a new listing must climb.

30th birthday candle

Skip it

Prices mostly outside the sweet spot ($3.93–$14.02) — this niche doesn't clear our bar today.

Conversion

Incredible12.6%

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

Brand share

Good60%

top-5 brand share — brands hold most of the demand

Returns

Good2.2%

return rate — above 5% kills the launch gate

Competition

Good50%

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

Review moat

Good1,309.86

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$196K

$196K/yr · 245K searches

Growth

Okay+6.0%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Avg price

Bad$6.36

avg listing price — sweet spot $15–$100

Price range

Bad$3.93–$14.02

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

According to Flapen's Amazon United States niche tracking, 30th birthday candle is a $196K/yr Amazon United States market (245K searches/yr). The top 5 brands hold 60% of demand. Verdict: Skip it — 49/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

30th birthday candle market data

Units sold / yr: 25K–30K; avg 750–1,000/product
Revenue / yr: $159K–$191K; units × avg price
Conversion rate: 12.6%
Avg BSR: #297
Page quality: 0%
Prime: 100%
Sponsored: 82%
Out of stock: 2.1%
Avg brand age: 28 months
Avg seller age: 192 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

Top-5 brand share

60%

Top 20: 98%

Top-5 click share

50%

Top 20: 91%

Open market

34%

CAKE CODE22%
BBTO14%
XPINBAO11%
STARKET7%
ROYOROYI7%
Nuanchu6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top 30th birthday candle search terms

30 candles57K/yr +18.6%9.1% conv.
30th birthday candles45K/yr +9.3%7.2% conv.
30 birthday candle39K/yr +0.4%7.8% conv.
30 candle27K/yr +29.9%6.5% conv.
30th birthday candle28K/yr -17.5%5.2% conv.
30 candles for cake13K/yr -29.2%6.6% conv.
birthday candles 307K/yr +2.1%10.2% conv.
30th birthday candles for her6K/yr -4.0%5.0% conv.
30 birthday candles5K/yr +13.7%13.6% conv.
30th candles4K/yr +13.4%8.5% conv.

All search terms

Top 30th birthday candle 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

CAKE CODE 2.76 Inch Classical Gold 30 Number Birthday Candles Gold and Cake Number Candles for Party Celebration

CAKE CODE$7.014.8★551 rev

XPINBAO 30th Birthday Decorations for Women and Men Gold Number 30 Candle

XPINBAO$4.024.8★778 rev

BBTO 30th Birthday Candles Number Candles Cake Topper Decoration for Birthday Wedding Anniversary Celebration Supplies(Gold)

BBTO$5.004.7★7,775 rev

Black Birthday Candles for Cake 30 Candle 30 Birthday Candle 30 Candles for Birthday Cakes 30th Birthday Cake Topper Black Candles Dirty 30 Decorations for Her

STARKET$4.944.7★1,016 rev

ROYOROYI 30th Birthday Decorations Gold Number 30 Candles for Cake

ROYOROYI$4.374.7★224 rev

Newest

by launch date

YEAAGE Black Number 30 Candles 30th Birthday Decorations for Him & Her

YEAAGE$5.885 rev

1mo ago

NHJINX 30 Birthday Number Candle for Cake Glitter Number Candle with Silver Beads Decorative Cake Topper for Milestone Celebrations

NHJINX$7.916 rev

6mo ago

Homsolver 30th Birthday Gifts for Women Her Decorations Gifts for 30 Year Old Woman 30th Birthday Candles - Limited Edition 1996 Handmade (Vanilla Birthday Cake Scent with Sprinkles)

Homsolver$12.82384 rev

8mo ago

Number 30 Birthday Candles Pink Sequins Butterfly Birthday Candle Glitter Candle Cake Topper Cupcake Decorations Party Supplies

LASILE$6.4676 rev

9mo ago

XPINBAO 30th Birthday Decorations for Women and Men Gold Number 30 Candle

XPINBAO$4.02778 rev

10mo ago

What buyers say about 30th birthday candle

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

What buyers love

Gifting Purpose14%

“Good gift”

Quality-Overall14%

“are well made”

Brightness/Shine/Glow12%

“Looks great, lit easily”

Smell11%

“Cute candle as a gift and smells good”

Color8%

“Amazing color”

Advertised Vs Actual Product8%

“Exactly what I needed”

Value For Money5%

“Value for money”

Durability4%

“Did not break easy”

Size-Overall3%

“fit in a cake perfectly”

Strength3%

“Nice solid candles”

What buyers complain about

Size-Overall17%

“Slightly larger than the average number candles”

Durability16%

“Breaks easily”

Quality-Overall15%

“Burns too quickly - poor quality”

Smell7%

“no one is going to smell them”

Strength3%

“Breaks easily”

Paint Quality2%

“Came with the paint chipping and peeling off and missing on some parts”

Color2%

“These are not black candles”

Value For Money2%

“At $13.99 its not a great value due to size”

Leak-Proof2%

“Unfortunately, theres some leakage that seems to have come out of the lid and it did get on the outside of the jar”

Weight Heavy1%

“kind of heavy”

Top return reasons

Size-Overall39%

Value For Money15%

Color11%

Smell9%

Advertised Vs Actual Product5%

Defective Material/Parts4%

Quality-Overall3%

Product Condition2%