18th Birthday Card
MaybeAn estimated 0.2% of orders come back. But prices span $2.19–$11.66, mostly outside the sweet spot, so 18th Birthday Card is a Maybe.
- Flapen Score
- 57 / 100Top 11% of 835 Stationery & Office Supplies niches · +10 vs the category median of 4757
- Market size
- £175K/yr455K searches / yr
- 90-day growth
- -5.1%search demand this quarter
- Competition
- 27%top-5 click share · 45 brands · 70 sellers
Flapen Score
18th Birthday Card against its category
The dotted line is the Stationery & Office Supplies average. Past it, 18th Birthday Card is stronger. Inside it, weaker.
Market
The 18th Birthday Card market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for 18th Birthday Card 455K times last year and spent an estimated £175K. The top 5 brands take 39% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 9.0% of those searches ended in a purchase.
Shoppers searched for this 455K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.0% of those searches ended in a purchase. Searches in the last 90 days moved -5.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £175K a year.
- Searches, last 12 months
- 455K
- Growth, 90 days vs prior 90
- -5.1%
- Conversion, latest week
- 9.0%
- Market size, estimated
- £175Ka year
- Peak month
- January1.5× the quietest month
- Top search term
- 18th birthday card240K searches a year
02 · Price
A sale here is worth £4.25.
Listings sell for £4.25 on average, from £2.19 to £11.66. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 500 to 750 of them. At £4.25 that is £2K to £3K a year per listing.
- Average price
- £4.25under the $15 to $100 sweet spot
- Price range
- £2.19–£11.66
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £2K–£3K
- Returns
- 0.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
77% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 1.6% of listings are out of stock. The average listing ranks #1,905 within Cards & Card Stock. It carries 251 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 77%
- Prime listings
- 96%
- Out of stock, average day
- 1.6%
- Average rank
- #1,905in Cards & Card Stock
- Average rating
- 4.61 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 251per listing
- Listings tracked
- 69
04 · Newcomers
0 of last year's 36 launches cleared the first-year sales bar.
36 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 26 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 36
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 26 months
Products
Top 18th Birthday Card 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 29, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
18th Birthday Card - Back in 2008 In This Year Card Greeting Card for Boys and Girls Birthday Cards for Girls Birthday Cards for Boys 18th Anniversary Card 5x7
- Price
- £3.32
- Rating
- 4.6/5
- Reviews
- 3,995
- Age
- 2y ago

Maise & Rose 18th Birthday Card For Her Pink Balloon 18 Years P194
- Price
- £4.03
- Rating
- 4.5/5
- Reviews
- 63
- Age
- 1y ago

Brainbox Candy 18th Birthday | Age Card | Funny Humorous | Officially Old Enough | Sold
- Price
- £3.28
- Rating
- 4.7/5
- Reviews
- 1,137
- Age
- 6y ago

Funny 18th Birthday Card Your Childhood Has Expired
- Price
- £3.33
- Rating
- 4.6/5
- Reviews
- 310
- Age
- 4y ago

Beautiful 18th Birthday Card Female Elegant Girl - Special Birthday Card for 18 Year old girl womens ladies Eighteen Eighteenth
- Price
- £3.29
- Rating
- 4.5/5
- Reviews
- 275
- Age
- 1y ago
Trending
estimated 90-day click momentum
The Year that Was 2008 - Special 18th Birthday Card Book with Details about the Year of Birth (2008)
- Price
- £4.95
- Rating
- 4.7/5
- Reviews
- 264
- Age
- 4mo ago

Belloxis 18th Birthday Gifts for Boys Funny Mens Socks
- Price
- £5.70
- Rating
- 4.5/5
- Reviews
- 75
- Age
- 2y ago

Birthday Card for 18th Birthday. Stars Design with Blue foil. 150x150mm supplied with Envelope. Eco-friendly. Made in Britain.
- Price
- £2.97
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 4mo ago

Lunella Stationery 18th Birthday Card for Boys and Girls - Bright and Bold Design Funny Actual Adult Card - Blank Inside With Kraft Envelope Age 18 (Actual Adult!)
- Price
- £3.95
- Rating
- 4.8/5
- Reviews
- 8
- Age
- 9mo ago

18th Birthday Cards for Women Pink Glitter Balloons
- Price
- £3.34
- Rating
- 4.6/5
- Reviews
- 314
- Age
- 9mo ago
Newest
by launch date
The Year that Was 2008 - Special 18th Birthday Card Book with Details about the Year of Birth (2008)
- Price
- £4.95
- Rating
- 4.7/5
- Reviews
- 264
- Age
- 4mo ago

Birthday Card for 18th Birthday. Stars Design with Blue foil. 150x150mm supplied with Envelope. Eco-friendly. Made in Britain.
- Price
- £2.97
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 4mo ago

Me To You Tatty Teddy 18 Today Luxury Gold Embellished Birthday Card 6 X 9 Inches - Official Collection
- Price
- £2.19
- Rating
- 4.7/5
- Reviews
- 16
- Age
- 6mo ago

JEKUGOT 18th Birthday Card for Girls 2008 Birthdays Gifts Card with Envelope 18th Birthday Gifts for Girls Women Anniversary Funny birthday Gift Personalised Party Decoration
- Price
- £4.50
- Rating
- 4.6/5
- Reviews
- 100
- Age
- 8mo ago

Virelle 3D 18th Birthday Card with Red Heart Balloon for Her Daughter Sister Granddaughter | Happy 18th Birthday Gift Card for Women Blank Inside with Envelope (14x14 cm) (18th)
- Price
- £3.34
- Rating
- 4.5/5
- Reviews
- 83
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 27% of clicks, no more. An open shelf where new products get seen.
Brands
45 rising
Sellers
70
Est. top-5 brand share
39%
Top 20: 80%
Est. top-5 click share
27%
Top 20: 64%
Open market
57%
- LimaLima9%
- Maise & Rose8%
- Gift Monster8%
- Me To You7%
- Stuff47%
- Virelle4%
Demand
18th Birthday Card search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top 18th Birthday Card search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 18th birthday card240K/yr
- 18th birthday card girl51K/yr
- 18th birthday card boy43K/yr
- 18 birthday card21K/yr
- 18th birthday cards for boys11K/yr
- 18th birthday card for girls9K/yr
- happy 18th birthday card9K/yr
- 18th birthday card for boys9K/yr
- 18th birthday cards11K/yr
- 18th birthday cards for girls9K/yr
Reviews and returns
What reviews say buyers love and hate about 18th Birthday Card
We read the reviews and the return reasons for every product selling here.
“Little small”
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.
21 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 18th Birthday Card 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









