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21st Birthday Gifts for Her

Maybe

An estimated 0.4% of orders come back. But demand is soft, at -6.1% this quarter, so 21st Birthday Gifts for Her is a Maybe.

Flapen Score
62
62 / 100
Top 8% of 2,461 Fashion niches · +14 vs the category median of 48
Market size
£628K/yr1.1M searches / yr
90-day growth
-6.1%search demand this quarter
Competition
34%top-5 click share · 43 brands · 63 sellers

Flapen Score

21st Birthday Gifts for Her against its category

The dotted line is the Fashion average. Past it, 21st Birthday Gifts for Her is stronger. Inside it, weaker.

62Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 21st Birthday Gifts for Her market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 21st Birthday Gifts for Her 1.1M times last year and spent an estimated £628K. The top 5 brands take 34% of clicks. Flapen scores it 62 out of 100, a Maybe.

01 · Demand

An estimated 4.8% of those searches ended in a purchase.

Shoppers searched for this 1.1M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.8% of those searches ended in a purchase. Searches in the last 90 days moved -6.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £628K a year.

Searches, last 12 months
1.1M
Growth, 90 days vs prior 90
-6.1%
Conversion, latest week
4.8%
Market size, estimated
£628Ka year
Peak month
January1.8× the quietest month
Top search term
21st birthday gifts for her786K searches a year

02 · Price

A sale here is worth £11.38.

Listings sell for £11.38 on average, from £3.47 to £37.38. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 500 to 750 of them. At £11.38 that is £6K to £9K a year per listing.

Average price
£11.38under the $15 to $100 sweet spot
Price range
£3.47–£37.38
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
40K–50K
Units per listing a year
500–750
Revenue per listing a year
£6K–£9K
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 8.0% of listings are out of stock. The average listing ranks #63 within Jewellery. It carries 805 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
100%
Out of stock, average day
8.0%
Average rank
#63in Jewellery
Average rating
4.62 starsAmazon United Kingdom average 4.36 stars
Average reviews
805per listing
Listings tracked
52

04 · Newcomers

2 of last year's 19 launches cleared the first-year sales bar.

19 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 28 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
19
Successful launches
2Amazon's first-year sales bar
Average brand age
28 months

Products

Top 21st Birthday Gifts for Her 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 23, 2026. The live listing can differ.

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.

£0£19K£38K£56K£75K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

43 falling

Sellers

63

Est. top-5 brand share

34%

Top 20: 79%

Est. top-5 click share

34%

Top 20: 73%

Open market

61%

  • Belloxis10%
  • Sheinly7%
  • Awfrky6%
  • GemsLives6%
  • NOURISHLOV6%
  • Epessa5%

Demand

21st Birthday Gifts for Her search demand

Weekly searches over the year, seasonality beneath. Pick a range.

30K20KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

Search terms

Top 21st Birthday Gifts for Her search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • 21st birthday gifts for her786K/yr
  • 21st birthday90K/yr
  • 21st birthday gifts60K/yr
  • 21st22K/yr
  • 21st birthday gift ideas26K/yr
  • 21st birthday gifts for girls11K/yr
  • 21st birthday presents30K/yr
  • 21st birthday gifts for daughter15K/yr
  • 21st gifts for her13K/yr
  • girls 21st birthday gifts12K/yr

Reviews and returns

What reviews say buyers love and hate about 21st Birthday Gifts for Her

We read the reviews and the return reasons for every product selling here.

44%of positive reviews mention “Gifting Purpose”
23%of negative reviews mention “Size-Overall”
0.4%of orders come back
“Very Small”
A buyer, on “Size-Overall”23% of negative reviews mention the same topic

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.

20 topics

NegativePositive

FAQ

Common 21st Birthday Gifts for Her 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