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100th Birthday Decorations

100th Birthday Decorations shows no brand lock-in (top 5 brands take 26% of clicks), but soft demand (-7.2% this quarter) keeps it on the watch list.

Flapen Score

55
Worth a look

Top 22% of 11,240 Home & Kitchen niches · +6 vs the category median of 49

Market size 35Growth 21Conversion 65Competition 95Returns 50Price range 55Avg price 53Brand share 97Review moat 59Quality gap 23
This niche Category average · 11,240 niches

Is 100th Birthday Decorations profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 100th Birthday Decorations is a $168K/yr Amazon United States market (234K searches/yr). The top 5 brands hold 26% of demand. Demand peaks in Jan. Verdict: Worth a look — 55/100.

100th Birthday Decorations: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -7.2% over the last 90 days and 5.8% of searches end in a purchase.

$168K

revenue / yr

Units sold / yr15K
Search volume / yr-7.2%234K
Conversion rate5.8%
Avg price$12.32

Who owns the niche?

The top 5 brands hold 26% of demand, so 75% of the market is open.

75%

open market share

Brands · sellers65 · 69
Top-5 product click share18%
Open market75%
Avg brand age32 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 96 products

Sponsored placement93%
New entrants (1y)28· 2 succeeded
Avg rating4.6★
Avg reviews1,123

Top 100th Birthday Decorations products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

$0$3K$7K$10K$13K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

65 falling

Sellers

69

Top-5 brand share

26%

Top 20: 65%

Top-5 click share

18%

Top 20: 50%

Open market

70%

  • DARUNAXY7%
  • YeohJoy6%
  • Juhap4%
  • Ryzovo4%
  • ZHUOWEISM4%
  • JunyRuny4%

100th Birthday Decorations demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume234KCVR5.8%Products96Brands65Top 5 Brands26%OOS Rate5.0%Rating4.6★Reviews1,123Avg BSR#1,611
6K4KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.2×

Top 100th Birthday Decorations search terms shoppers use

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

  • 100th birthday decorations92K/yr
  • 100th birthday30K/yr
  • 100 birthday decorations for women11K/yr
  • 100 year old birthday decorations17K/yr
  • 100 years12K/yr
  • 100th birthday banner8K/yr
  • 100th birthday party supplies11K/yr
  • 100th birthday napkins8K/yr
  • happy 100th birthday banner7K/yr
  • 100th birthday decorations for women6K/yr

What reviews say buyers love and hate about 100th Birthday Decorations

What buyers mention most, as a share of all reviews.

What buyers love

77% of reviews
Quality-Overall25%

good quality and complete setting just as described

Advertised Vs Actual Product10%

exactly as described

Design-Overall8%

Decor was beautiful

Gifting Purpose8%

Gift

Color8%

Beautiful color

What buyers complain about

69% of reviews
Size-Overall17%

The card was a lot bigger than I expected

Thickness15%

were pretty careful so I think the balloons may have been too thin

Color6%

Not a good color match

Instructions/User Manual/Troubleshooting6%

No instructions

Durability6%

The balloons did not last

100th Birthday Decorations return rate & reasons

Why buyers send it back, as a share of all return requests.

3.0%

Return rate

75%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
32%
2Advertised Vs Actual Product
18%
3Color
17%
4Value For Money
9%
5Quality-Overall
5%

Common 100th Birthday Decorations questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 100th Birthday Decorations 55/100 on Amazon United States — Worth a look. The niche generates $168K/yr across 96 tracked products. 2 of 28 products launched in the last 360 days are still selling. Search demand moved -7.2% over the last 90 days.
Search demand for 100th Birthday Decorations on Amazon United States peaks in Jan, where the busiest month runs 2.2× the quietest.