50th birthday plates
Worth a lookShows a fragmented shelf (top 5 take 32% of clicks), but soft demand (-8.8% this quarter) keeps it on the watch list.
Competition
Great32%top-5 click share — an open shelf
Review moat
Great338.6avg incumbent reviews — the moat a new listing must climb
Brand share
Great57%top-5 brand share — no brand owns this niche
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Avg price
Good$13.93avg listing price — sweet spot $15–$100
Price range
Good$5.80–$26.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.0%return rate — above 5% kills the launch gate
Market size
Okay$156K$156K/yr · 150K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-8.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 50th birthday plates is a $156K/yr Amazon United States market (150K searches/yr). The top 5 brands hold 57% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
50th birthday plates market data
- Units sold / yr
- 10K–13K
- avg 100–250/product
- Revenue / yr
- $139K–$174K
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #964
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 3.9%
- Avg brand age
- 27 months
- Avg seller age
- 212 days
Competition & brand share
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
32 falling
Sellers
35
Top-5 brand share
57%
Top 20: 91%
Top-5 click share
32%
Top 20: 67%
Open market
39%
- algpty21%
- LDFDRT16%
- refavor10%
- CHUNNIN5%
- Juhap5%
- KFJBPB4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.9×
Top 50th birthday plates search terms
- 50th birthday plates57K/yr
- 50th birthday plates and napkins58K/yr
- 50th birthday plates and napkins set6K/yr
- 50th birthday cake plates12K/yr
- 50th birthday dessert plates7K/yr
- 50th plates and napkins4K/yr
- 50th birthday plates and napkins for women5K/yr
Top 50th birthday plates products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
algpty 60 PCS Vintage 50th Birthday Plates and Napkins Set 50th Birthday Decorations Black and Gold Service for 30 1976 Dessert Plates and Napkins Party Supplies for Men Women
algpty$11.424.7★729 rev
LDFDRT 50th 7 inch Birthday Party Paper Plates and Napkins Forks 60 pcs Black Gold Decorations for Boys Girls Tableware Set for Birthday Anniversary Party Supplies Serve 20
LDFDRT$9.574.8★183 rev
algpty 60 PCS Vintage 50th Birthday Plates and Napkins Set 50th Birthday Decorations Rose Gold Service for 30 1976 Birthday Dessert Plates and Napkins Party Supplies for Women
algpty$12.614.6★249 rev
60 PCS 50th Birthday Decorations for Women 50th Birthday Plates and Napkins Rose Gold Disposable Tableware Set Party Supplies for Women Cheers to 50 Years Anniversary (50TH)
KFJBPB$8.884.7★82 rev
LDFDRT 50th Paper Party Plates And Napkins 50pcs 9 Black Birthday Party Dessert Tableware Happy Birthday Decorations Party Supplies
LDFDRT$9.844.6★225 rev
Newest
by launch date
Hokinaa 96 Pcs 50th Birthday Party Plates - Vintage Newspaper Back in 1976 Paper Decorations Disposable Napkins Tableware Retro Cheers to 50 Year Old Decor Supplies for Men Women Serves 24 Guests
Hokinaa$15.3661 rev
60 PCS 50th Birthday Decorations for Women 50th Birthday Plates and Napkins Rose Gold Disposable Tableware Set Party Supplies for Women Cheers to 50 Years Anniversary (50TH)
KFJBPB$8.8882 rev
refavor Vintage 50th Birthday Plates and Napkins 96PCS Back in 1976 Birthday Party Decorations Supplies for Women Men Colorful Cheers to 50 Years Disposable Tableware Set Serve 24
refavor$22.4745 rev
refavor 50th Birthday Plates and Napkins 96PCS Vintage 50th Birthday Party Decorations Supplies for Women Men Back in 1976 Cheers to 50 Years Disposable Tableware Set Serve 24
refavor$17.7055 rev
60 Pcs 50th Birthday Decorations White gold Paper Plates and Napkins Forks Party Tableware for Men Women Birthday Party Decorations Serve 20
LDFDRT$8.5939 rev
Trending
90-day click momentumrefavor 50th Birthday Plates and Napkins 96PCS Vintage 50th Birthday Party Decorations Supplies for Women Men Back in 1976 Cheers to 50 Years Disposable Tableware Set Serve 24
refavor$17.704.4★
60 Pcs 50th Birthday Decorations White gold Paper Plates and Napkins Forks Party Tableware for Men Women Birthday Party Decorations Serve 20
LDFDRT$8.594.3★
refavor Vintage 50th Birthday Plates and Napkins 96PCS Back in 1976 Birthday Party Decorations Supplies for Women Men Colorful Cheers to 50 Years Disposable Tableware Set Serve 24
refavor$22.474.4★
Hokinaa 96 Pcs 50th Birthday Party Plates - Vintage Newspaper Back in 1976 Paper Decorations Disposable Napkins Tableware Retro Cheers to 50 Year Old Decor Supplies for Men Women Serves 24 Guests
Hokinaa$15.364.6★
60 PCS 50th Birthday Decorations for Women 50th Birthday Plates and Napkins Rose Gold Disposable Tableware Set Party Supplies for Women Cheers to 50 Years Anniversary (50TH)
KFJBPB$8.884.7★
What buyers say about 50th birthday plates
What buyers praise and complain about, mined from review topics.What buyers love
“Great plates”
“get what I needed”
“Worth it”
“Great colors”
“Design”
“Very sturdy and pretty”
“Good size”
“The durability and thickness was excellent”
“Beautiful boho chic”
“Good for laughs”
What buyers complain about
“They were flimsy”
“just a sizing expectations issue”
“Very cheaply made”
“are super thin”
“It did not come with the tablecloth it said it did”
“All the items smelled so badly like chemicals”
“Colors not the same”
“Might find cheaper at Dollar Tree”
Top return reasons
Common questions
- Is 50th birthday plates profitable to sell on Amazon United States?
- The niche generates $156K/yr across 52 tracked products. 1 of 18 products launched in the last 360 days are still selling. 90-day search growth is -8.8%. Flapen's verdict: Worth a look (54/100).
- How competitive is the 50th birthday plates niche?
- 32 brands and 35 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in 50th birthday plates?
- Top complaints mined from reviews: Strength, Size-Overall, Quality-Overall. The return rate is 3.0%.
- When does demand for 50th birthday plates peak?
- Demand is steady year-round — the busiest month runs 1.9× the quietest.
- What does it cost to enter the 50th birthday plates niche?
- Listings span $5.80–$26.62; the average listing price is $13.93 (sweet spot $15–$100). The average incumbent carries 339 reviews — the moat a new listing must climb.