Amazon Seller Statistics
2025 – 2026

The 62% third-party share is often treated as a headline stat and nothing more. What it actually tells you is that Amazon has structurally committed to growing seller revenue because its own revenue grows with it. Platform fees, storage fees, and advertising all scale with 3P seller performance. Sellers who understand this stop seeing every policy update as adversarial and start reading it as Amazon protecting its own interests, which usually align with sellers who perform well.

• Build Amazon advertising into your cost of goods from day one, not as a discretionary line you cut when things get tight. It is not optional in competitive categories.
• The search intent data inside Brand Analytics is the most valuable keyword research tool on the planet for Amazon sellers. Use it first, not as a secondary check.
• Before you source any product, model your unit economics with total Amazon costs at 30-40% of selling price. Products that look profitable on a spreadsheet often are not once fees stack up.

Fewer new sellers joining is not a sign that Amazon is dying. It is a sign that casual and undercapitalised sellers have mostly tried and moved on. The sellers who are gaining ground right now are running real businesses with proper inventory funding, professional listing assets, and a real advertising budget. We see this consistently across the accounts we manage.

• Chinese-origin sellers have genuine supply chain cost advantages that you cannot beat on price alone. Your route to profitability is building brand equity, stacking reviews faster, and creating listing content that converts at a higher rate.
• If you are entering a category where Chinese sellers already dominate the low-price end, focus your energy on better imagery, Premium A+ Content, and customer experience that generates reviews organically rather than trying to undercut on price.
• Only 30% of 2023 registrations are still active. Roughly two-thirds of the sellers who started when you did have already left. Patience and staying power are themselves competitive advantages on Amazon.

The single most common root cause of underperformance we find when auditing new seller accounts is launching products with margins modelled before fees, not after. The $375K average is meaningless if your unit economics cannot survive 30-40% total Amazon fee load on top of 10-15% in advertising spend. We see this pattern at every revenue level.

• Before launching any product, run the full cost stack: cost of goods, referral fee, FBA fulfillment fee, storage, PPC budget, and selling plan. “We’ll make it work at scale” almost never arrives before you run out of capital.
• The categories with the best margin profiles in 2025 are consumables in Beauty, Health, and Pet Supplies. Not because they are quiet, but because their repeat purchase economics mean each customer is worth more over time. Learn how to improve customer lifetime value in these categories.
• The 6.3x FBA advantage for new sellers is real. In account launches we manage, FBA listings consistently outperform FBM on conversion rate and review accumulation speed in the first 90 days.

The 82% FBA adoption rate makes sense when you put it alongside the conversion rate data. FBA listings in the accounts we manage consistently convert 20-30% higher than equivalent FBM listings in the same category, all else being equal. The Prime badge does most of that work. It signals two-day delivery and easy returns without the customer needing to think about it.

• For any product priced above $25 and weighing under 3 lbs, FBA almost always wins on unit economics. For heavier items, model FBM carefully because at $8+ per unit in FBA fulfillment fees, self-fulfillment can genuinely come out ahead.
• 48% of FBA sellers launch their first product within 3 months of starting. That speed matters because Amazon’s algorithm weighs early sales velocity when setting initial ranking positions. A well-structured launch plan captures that window. A slow one wastes it.
• Multi-Channel Fulfillment is consistently underused by mid-stage sellers. If you run both FBA and a Shopify store, MCF removes the need for a separate 3PL and simplifies inventory management considerably.

When we dig into client profitability problems, the referral fee is rarely the issue. Sellers know that one. The problem is almost always slow-moving inventory stacking up storage charges on top of the inbound placement fee that was introduced in 2024. In accounts we managed through 2025 and 2026, these two fees together reduced net margins by 4-8 percentage points on products with weak sell-through rates. That is a meaningful hit on otherwise healthy products.

• Set a 90-day sell-through threshold on every SKU as your maximum comfort level. If a product is not moving in 90 days at current velocity, start a price reduction or submit a removal order before the 180-day storage fee tier kicks in.
• Build the inbound placement fee into your unit economics from the start when you are sourcing. Sellers who route shipments to Amazon’s preferred distribution points (typically through Amazon Warehousing and Distribution) substantially reduce this cost.
• Review your size tier classification on every SKU at least once a year. Packaging and labelling changes are often the highest-ROI optimisation available to mid-stage sellers and they are consistently overlooked.

The 30.4% average ACoS is not a target. It is a symptom of campaign structures that were set up without enough care. When we review client PPC accounts that are spending above 30% ACoS, the root cause is almost always one of three things: targeting too broad, no negative keyword hygiene, or a listing that converts below 8%. The ad budget is rarely the problem. The campaign structure and the listing underneath it are.

• Fix your listing conversion rate before you scale ad spend. An 8% conversion rate versus a 15% conversion rate at the same CPC produces completely different ACoS figures. Your listing is your most powerful advertising lever. Read our guide on Amazon listing optimisation before touching your bids.
• Track TACoS monthly rather than watching ACoS daily. TACoS tells you whether you are building a real organic business or permanently renting Amazon’s search results. A healthy account shows TACoS declining steadily over time.
• AI-assisted bid management tools genuinely reduced ACoS in 2025-2026 for accounts using them, but only when the campaign structure feeding them was sound. Automation amplifies what is already there, good or bad.

The 15-35% conversion improvement from professional listing optimisation is a range we verify in client accounts regularly. The lower end of 15% applies to listings that were already reasonably structured. The upper end of 30-35% is what we see when we take over listings that had fewer than 5 images, no A+ Content, and keyword-stuffed titles instead of benefit-led copy. The gap between a neglected listing and an optimised one is real and consistently underestimated by sellers.

• Prioritise your hero image and title before anything else. They determine whether mobile shoppers click in or keep scrolling. Everything else converts traffic you have already earned by getting the click.
• Review velocity matters more than review score in competitive categories. A systematic post-purchase follow-up via the Request a Review function is the compliant way to build that velocity.
• The 72-hour rank loss window for suppressed listings is real and faster-moving than most sellers expect. Set up same-day listing health alerts. Weekly audits are not fast enough to protect organic rank.

The Buy Box is the most disproportionately important variable in Amazon selling that gets the least systematic attention from sellers below $500K in annual revenue. In the reseller and wholesale accounts we manage, Buy Box win rate is the single leading indicator of account revenue health. A 10-point drop in win rate almost always signals a revenue decline within 30-45 days.

• For private label sellers, Buy Box eligibility is largely binary. You either qualify as a well-performing FBA seller or you do not. Keep your Order Defect Rate below 1%, Late Shipment Rate below 4%, and account health consistently in the green.
• For resellers competing on shared listings, automated repricing is not optional at any meaningful volume. It is the minimum viable competitive setup. Price manually only while you are still learning how a specific category behaves.
• Mobile now drives over half of Amazon purchases. Your listing, price, and seller metrics need to be optimised for the mobile Buy Box experience specifically, not the desktop view.

Category selection is the highest-leverage decision a new seller makes, and it is one that established sellers almost never revisit with the rigour it deserves. Across client accounts we managed through 2025-2026, Beauty and Health consistently delivered the best margin environments for private label sellers building their own brand. Electronics and Supplements are the most misread. Electronics because margins are structurally thinner than sellers expect. Supplements because CPCs are brutal, but the margins can absorb them once you have enough reviews and ranking to reduce reliance on ads.

• Match your category to your operations. High-return categories like Electronics and Fashion require strong customer service and efficient return processing. Without that infrastructure, return-related margin erosion will consistently exceed your projections.
• Seasonal categories require working capital discipline. The Q4 opportunity in Toys and Home is real, but inventory needs to be funded and sitting in FBA warehouses by late September. That means purchasing capital deployed in July or August at the latest.
• The CPC figures above are category averages. Your actual CPCs at the keyword level can run 2-3x the category average in highly competitive niches. Always validate using your own data at the keyword level before building a launch budget around category averages.

The mobile-first shift is complete and has been for several years. Yet the majority of listing optimisation briefs we inherit are still structured around desktop viewing behaviour. In our account audits through 2025-2026, 60-70% of listing views in most categories come from mobile, while 80-90% of the creative was designed for a desktop screen. That mismatch shows up directly in conversion rate and it is consistently fixable.

• Design your hero image to communicate your product’s core benefit at thumbnail size on a phone, not at full resolution on a desktop monitor. If the value proposition is not obvious at thumbnail, the ad spend driving that traffic is partially wasted.
• The first 80 characters of your title are what mobile shoppers see before truncation hits. Your highest-converting keywords and your main product benefit need to live in that window, not your brand name and model number.
• Social media influence on Amazon purchases is measurable but only if you have Attribution tags in place. Any seller running external traffic without Attribution is genuinely flying blind on which channels and creatives are converting into sales.

Brand Registry is free to apply for, and the access it unlocks is genuinely valuable from day one. The conversion rate uplift from A+ Content alone, averaging 8% per Amazon’s own data, typically covers the cost of trademark registration within 2-3 months at meaningful sales volume. We recommend every seller with a proprietary product pursue it as soon as there is something worth protecting.

• Do not wait until you are at $500K in revenue to register your trademark. The IP Accelerator programme can get you Brand Registry access while your trademark application is still processing, which can save months of time on the timeline.
• Brand Analytics, available only to registered brands, contains Search Query Performance and Market Basket data with no equivalent outside the platform. Sellers using it for keyword and product strategy consistently outperform those relying exclusively on third-party tools.
• The Transparency programme is worth evaluating for any consumable brand with growing revenue. The per-unit cost is low relative to the brand damage a single high-profile counterfeit incident can cause with customers and on your listing’s review base.

International expansion is consistently under-prioritised by US sellers who have passed $1M in annual US sales. The hesitation makes sense because the US market is familiar and comfortable. But the opportunity cost is real. In international expansion projects we managed through 2025-2026, UK and EU marketplace launches generated 15-25% incremental revenue on top of existing US sales within 6-12 months, for brands that localised properly. Brands that copy-pasted their US listings saw much weaker results consistently.

• Localisation is not translation. UK and EU customers have different search behaviour, different product expectations, and a different competitive landscape from US shoppers. A direct copy of US listings consistently underperforms a properly localised version. See how to approach listing products in new markets correctly.
• Japan is the most underestimated marketplace for quality-positioned private label brands. Japanese Amazon customers have a strong quality preference and lower price sensitivity than US shoppers in many categories, which partially offsets the additional compliance and logistics complexity of entering the market.
• Canada is the lowest-friction international expansion available to US sellers with existing FBA infrastructure. Similar culture, no language barrier, and a familiar Amazon setup. It is almost always where we recommend starting before moving to EU or Japan.