21st Birthday Candles
MaybeThe top 5 brands take only 41% of clicks. But prices span $3.87–$15.53, mostly outside the sweet spot, so 21st Birthday Candles is a Maybe.
- Flapen Score
- 52 / 100Top 34% of 11,240 Home & Kitchen niches · +3 vs the category median of 4952
- Market size
- $107K/yr201K searches / yr
- 90-day growth
- -1.7%search demand this quarter
- Competition
- 34%top-5 click share · 33 brands · 36 sellers
Flapen Score
21st Birthday Candles against its category
The dotted line is the Home & Kitchen average. Past it, 21st Birthday Candles is stronger. Inside it, weaker.
Market
The 21st Birthday Candles market on Amazon at a glance
Shoppers on Amazon United States searched for 21st Birthday Candles 201K times last year and spent an estimated $107K. The top 5 brands take 41% of clicks. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 7.5% of those searches ended in a purchase.
Shoppers searched for this 201K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.5% of those searches ended in a purchase. Searches in the last 90 days moved -1.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $107K a year.
- Searches, last 12 months
- 201K
- Growth, 90 days vs prior 90
- -1.7%
- Conversion, latest week
- 7.5%
- Market size, estimated
- $107Ka year
- Peak month
- March1.6× the quietest month
- Top search term
- 21st birthday candles62K searches a year
02 · Price
A sale here is worth $7.10.
Listings sell for $7.10 on average, from $3.87 to $15.53. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 250 to 500 of them. At $7.10 that is $2K to $4K a year per listing.
- Average price
- $7.10under the $15 to $100 sweet spot
- Price range
- $3.87–$15.53
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $2K–$4K
- Returns
- 1.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.7% of listings are out of stock. The average listing ranks #503 within Candles. It carries 609 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 100%
- Out of stock, average day
- 4.7%
- Average rank
- #503in Candles
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 609per listing
- Listings tracked
- 47
04 · Newcomers
1 of last year's 14 launches cleared the first-year sales bar.
14 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 27 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 14
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 27 months
Products
Top 21st Birthday Candles products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 31, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
ROYOROYI 21st Birthday Decorations Gold Number 21 Candles for Cake
- Price
- $4.75
- Rating
- 4.7/5
- Reviews
- 204
- Age
- 1y ago

Nuanchu 21st Birthday Candles Happy Birthday Cake Number Candles Topper Decoration for Birthday Wedding Anniversary Celebration Favor 3.54 Inches Total Length (Champagne Gold)
- Price
- $5.46
- Rating
- 4.7/5
- Reviews
- 2,517
- Age
- 5y ago

Girls Birthday Number 21 Candles 2.95in Glitter Butterfly Happy Birthday Cake Toppers Pink Sequins Wedding Numeral Cupcake Decorations for Anniversary Celebration Party Supplies (21th)
- Price
- $6.96
- Rating
- 4.7/5
- Reviews
- 75
- Age
- 2y ago

21st & 12th Birthday Candles Champagne Gold Number 21 12 Candle for Cake Happy Birthday Cake Topper Decoration for Birthday Anniversary Celebration Party Supplies
- Price
- $5.92
- Rating
- 4.8/5
- Reviews
- 88
- Age
- 2y ago

21 Candles for Cake 12th Cake Topper Happy 21st Birthday Decorations for Him 21st Birthday Candles Black Happy 21st Birthday Cake Topper for Him Her 21 Anniversary Number 1 Candle Number 2 Candle
- Price
- $5.10
- Rating
- 4.7/5
- Reviews
- 104
- Age
- 1y ago
Trending
estimated 90-day click momentum
A Tini Bit Older Birthday Candles A Tini Bit Older Party Decoration Supplies Birthday Number Candles for Cake Topper (Green Number 21)
- Price
- $7.35
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6mo ago

YEAAGE Black Number 21 Candles 21st Birthday Decorations for Him & Her
- Price
- $5.90
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1mo ago

Girls Number 21 Birthday Candles Pink Sequins Butterfly Birthday Candle Glitter Candle Cake Topper Cupcake Decorations Party Supplies
- Price
- $6.49
- Rating
- 4.6/5
- Reviews
- 76
- Age
- 9mo ago

21 Candles 21st Birthday Decorations for Women White 21st Candle for Beige Birthday Decorations 21 Cake Topper for 21 Year Old Girl Cream Birthday Party Decor Party Supplies Favors(Number 21 Candle)
- Price
- $6.35
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 9mo ago

NHJINX 21 Birthday Number Candle for Cake Glitter Number Candle with Gold Beads Decorative Cake Topper for Milestone Celebrations
- Price
- $7.86
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 6mo ago
Newest
by launch date
YEAAGE Black Number 21 Candles 21st Birthday Decorations for Him & Her
- Price
- $5.90
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1mo ago

A Tini Bit Older Birthday Candles A Tini Bit Older Party Decoration Supplies Birthday Number Candles for Cake Topper (Green Number 21)
- Price
- $7.35
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6mo ago

NHJINX 21 Birthday Number Candle for Cake Glitter Number Candle with Gold Beads Decorative Cake Topper for Milestone Celebrations
- Price
- $7.86
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 6mo ago

AndiluluBear Number 21 Birthday Candles 1.96 Inch Happy Birthday Cake Candles Cupcakes Topper Decoration for Birthday Party Wedding Anniversary Celebration Supplies (Black)
- Price
- $4.97
- Rating
- 4.9/5
- Reviews
- 156
- Age
- 8mo ago

21st Birthday Cake Candles Beer Themed Cake Numbers Decorations Funny Party Topper Supplies for Men Beer Lover Birthday Celebration Gifts (21)
- Price
- $7.22
- Rating
- 4.4/5
- Reviews
- 35
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 34% of clicks, no more. An open shelf where new products get seen.
Brands
33 falling
Sellers
36
Est. top-5 brand share
41%
Top 20: 89%
Est. top-5 click share
34%
Top 20: 74%
Open market
52%
- Artensueno12%
- ROYOROYI10%
- Nuanchu7%
- Lecferrarc7%
- Goqaoix6%
- BOXOB6%
Demand
21st Birthday Candles search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top 21st Birthday Candles search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 21st birthday candles62K/yr
- 21 candles44K/yr
- 21 candle21K/yr
- 21st birthday candle19K/yr
- 21 candles for cake20K/yr
- birthday candles 216K/yr
- 21 birthday candles6K/yr
- 21st birthday candles for her8K/yr
- 21st birthday candles for him6K/yr
- 21 birthday candle4K/yr
Reviews and returns
What reviews say buyers love and hate about 21st Birthday Candles
We read the reviews and the return reasons for every product selling here.
“Burns too quickly - poor quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 21st Birthday Candles questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









