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18. geburtstag junge

Worth a look

Shows no brand lock-in (top 5 brands take 29% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 65Growth 20Conversion 28Competition 92Returns 96Price range 64Avg price 30Brand share 96Review moat 73Quality gap 35

Brand share

Incredible29%

top-5 brand share — no brand owns this niche

Returns

Incredible0.7%

return rate — above 6% kills the launch gate

Competition

Great23%

top-5 click share — an open shelf

Review moat

Good598.44

avg incumbent reviews — the moat a new listing must climb

Market size

Good€628K

€628K/yr · 3.0M searches

Price range

Good€2.32–€37.25

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay€9.62

avg listing price — sweet spot $15–$100

Conversion

Okay2.2%

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

Growth

Bad-9.5%

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

According to Flapen's Amazon Germany niche tracking, 18. geburtstag junge is a €628K/yr Amazon Germany market (3.0M searches/yr). The top 5 brands hold 29% of demand. Verdict: Worth a look — 61/100.

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

Market data

Units sold / yr
80K–100K
avg 250–500/product
Revenue / yr
€770K–€962K
units × avg price
Launch success
15%
6 of 40 new (360d)
Conversion rate
2.2%
Avg BSR
#112
Page quality
0%
Prime
99%
Sponsored
88%
Out of stock
10.8%
Avg brand age
27 months
Avg seller age
176 days

Competition

Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.

Brands

69 falling

Sellers

95

Top-5 brand share

29%

Top 20: 62%

Top-5 click share

23%

Top 20: 52%

Open market

68%

  • Giftota11%
  • Jeasona7%
  • Anruzon4%
  • COMOOKA4%
  • PIujsym4%
  • owlfun3%

Demand

Weekly Amazon search volume, last 43 weeks — -9.5% search growth over the last 90 days.
60K40KSpike '26Sep '25Nov '25Dec '25Feb '26Mar '26May '26

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%€13K4%€25K6%€38K8%€50K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 86 tracked products in this niche — three views at once, no toggling.

Reviews

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

What buyers love

Geschenk Zweck27%

“Ein super cooles Geschenk”

Qualität insgesamt18%

“Super Produkt alles gut”

beworben Vs Tatsächliches Produkt10%

“Hält was er verspricht”

Design insgesamt7%

“Das Buch ist in einem stilvollen schwarzen Design gehalten, was elegant wirkt”

Gesamtgröße5%

“Passt”

Spaß/Unterhaltungserlebnis4%

“Lustiges Buch”

Preis-Leistungs-Verhältnis4%

“Absolut lohnenswert”

Benutzerfreundlichkeit3%

“Leichte Handhabung”

Montage/Installation2%

“Alles sehr einfach zu Installieren”

Weiches Gefühl2%

“Flauschig”

What buyers complain about

Gesamtgröße16%

“T-Shirt fällt groß aus”

Qualität insgesamt9%

“Leider bin ich mit der Qualität nicht zufrieden”

Dicke8%

“Das Material dieser Servietten zugegebenermaßen nicht das Dickste”

Geruch6%

“Produkt stink nach Chemie”

Haltbarkeit5%

“Platzen bereits nach 20 Minuten”

Preis-Leistungs-Verhältnis5%

“Nicht das Geld wert”

Funktionalität insgesamt3%

“ohne Funktion”

Stärke3%

“sehr wackelig”

Montage/Installation3%

“Das Happy Birthday ist etwas mühsam zum Zusammenbasteln”

Akkulaufzeit2%

“Batterie der Lichterkette war leider nach 2x Anschalten leer”

Top return reasons

Gesamtgröße31%
Farbe11%
Qualität insgesamt10%
Defekt Material/Teile8%
Funktionalität insgesamt7%
beworben Vs Tatsächliches Produkt6%
Materialqualität4%
Montage/Installation2%
Holzqualität2%
Dünn2%

Common questions

Is 18. geburtstag junge profitable to sell on Amazon Germany?
The niche generates €628K/yr across 86 tracked products. 6 of 40 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Worth a look (61/100).
How competitive is the 18. geburtstag junge niche?
69 brands and 95 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 29% of demand.
What do buyers complain about in 18. geburtstag junge?
Top complaints mined from reviews: Gesamtgröße, Qualität insgesamt, Dicke. The return rate is 0.7%.
What does it cost to enter the 18. geburtstag junge niche?
Listings span €2.32–€37.25; the average listing price is €9.62 (sweet spot $15–$100). The average incumbent carries 598 reviews — the moat a new listing must climb.

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