Amazon’s 2026 Global FBA Fee and Storage Changes: A Playbook for Korean and Japanese Brands

If you ship products from Korea or Japan into U.S. Amazon warehouses, your 2026 landed cost math has probably shifted. According to reporting from Chosun Biz, Amazon quietly reworked its North America FBA fee and storage structure in early July 2026, adding tougher rules around aged inventory, where stock gets placed, and how much inbound capacity overseas sellers can claim. Nothing here is a reason to panic. It is a reason to tighten your catalog, your forecasting, and your channel mix before the fees compound. This guide walks through what reportedly changed and the concrete moves that protect margin without stalling your U.S. growth.

1. What reportedly changed in Amazon’s FBA structure

The core of the update, as described in the announcement covered by Chosun Biz, is a set of policies aimed squarely at inventory that sits too long or arrives without a clear sell-through record. Amazon reportedly revised its long-term storage fees and introduced a tiered structure for aged stock, with distinct bands for inventory held 181 to 270 days, 271 to 365 days, and beyond 365 days. Alongside that, the report describes a new cross-border storage and inventory policy set that applies specifically to overseas brands sending goods into U.S. fulfillment centers.

Two other pieces round out the picture. A reported “regional inventory placement” framework limits automatic nationwide distribution for certain inbound shipments. And capacity management for non-domestic sellers is reportedly tied more tightly to historical sell-through and overall inventory health. None of these numbers are confirmed by Amazon’s own public fee schedule in the reporting we have, so treat the specifics as the announcement described them rather than as settled fact. The direction of travel, though, is consistent with how Amazon has managed FBA capacity and storage for years, as general FBA fee references from ShipBob and AMZ Prep lay out.

2. Why tiered storage fees hit Asian assortments hardest

Korean and Japanese beauty brands tend to launch wide. A single line can carry a dozen shades, three sizes, and a rotating cast of limited editions. That breadth is a merchandising strength and an inventory liability at the same time. When storage fees escalate by age band, the SKUs that move slowly, the niche shade, the oversized set, the seasonal gift box, quietly become the ones paying the highest per-unit rent.

The reported tiers matter because they change the shape of the cost curve. A product that used to sit at a flat long-term rate now climbs as it ages past each threshold. For a brand importing from Asia, replenishment lead times are already long, which means safety stock runs higher and buffer inventory lingers. That combination is exactly what the new bands penalize.

The practical read: audit every SKU against its actual velocity, not its launch-day optimism. A shade that sells three units a month does not need three months of coverage sitting in a U.S. warehouse. It needs a leaner reorder cadence, or a decision to consolidate it out of the FBA assortment entirely.

3. Regional placement and the Buy Box question

The reported regional inventory placement framework is the change most likely to surprise brands that have run FBA on autopilot. If Amazon limits how freely a given inbound shipment spreads across the national network, some of your stock may concentrate in fewer regions. That can lengthen delivery estimates for customers on the other side of the country.

Delivery speed is not a cosmetic issue on Amazon. It feeds the Prime badge, and it feeds Buy Box competitiveness. A listing that shows slower shipping to a large share of shoppers can lose Buy Box share to a competitor with better-distributed inventory, even at the same price. For Korean and Japanese brands using U.S. FBA as their primary logistics backbone, that is a direct revenue lever, not a back-office detail.

The response is to plan inbound shipments with placement in mind rather than sending one large block and hoping the network distributes it. Splitting inbound volume, aligning it to regional demand, and keeping bestsellers well-stocked across zones all help protect delivery speed where it counts most.

4. Capacity, IPI, and the launch squeeze

The reported capacity rules tie available inbound space to a seller’s track record. A brand with healthy sell-through and clean inventory earns room to send more. A brand carrying excess or stranded stock earns less. Layered on top is a reported tightening of performance metrics around excess and stranded inventory, where repeated non-compliance can pull down the Inventory Performance Index and trigger penalties.

For an established SKU with steady demand, this is manageable. The friction shows up at launch. New lines and seasonal collections have no sell-through history, so they compete for capacity against a metric they cannot yet satisfy. A brand planning a big spring or holiday drop needs to sequence it carefully, because the system now rewards proven velocity and treats speculative volume with caution.

This is where forecasting discipline stops being a nice-to-have. Brands that maintain a clean IPI, retire dead SKUs promptly, and match inbound volume to realistic demand will find they have the capacity headroom to launch when they want to. Brands that let stranded inventory accumulate may find the door narrower exactly when they need it open.

5. The playbook: rationalize, replenish, diversify

Three moves address most of the exposure these changes create. None of them require reinventing your operation. They require doing the unglamorous parts well.

The through-line is inventory health. Every one of the reported changes rewards a brand that knows its per-SKU demand and punishes one that carries stock on hope. Start with the data you already have in Seller Central, rank SKUs by velocity and storage cost, and act on the bottom of that list first.

6. Building an Amazon plus retail backbone

The timing of these FBA changes is not random. According to the Chosun Biz report, K-beauty in North America reached roughly US$2.8 billion in sales over the trailing 52 weeks, up about 48 percent year on year, with around three-quarters of that moving through e-commerce. When a category scales that fast on a single platform, that platform tends to tighten the rules that govern it.

The same report notes that major U.S. retailers are moving quickly on Korean beauty. Target reportedly expanded its K-beauty assortment several times over this spring, and brands like Medicube have entered well over a thousand Target locations and thousands of Walmart doors. For brands that have treated Amazon FBA as their entire U.S. presence, that shift is an opening. Retail placement diversifies where your volume lives, which means a fee change in one channel no longer dictates your entire cost structure.

Hybrid does not mean abandoning Amazon. It means Amazon stops being a single point of failure. A brand selling through both FBA and physical retail can shift emphasis as economics change, keep its bestsellers moving through the fastest channel, and use retail to absorb the SKUs that no longer earn their FBA storage cost.

7. Frequently asked questions

Q1. Did Amazon officially confirm these 2026 FBA changes?

The specifics described here come from reporting on Amazon’s announcement rather than from an independently verified public fee schedule. Treat the storage tiers, placement framework, and capacity rules as reported, and confirm the exact figures against your own Seller Central fee preview before you model them.

Q2. Which SKUs are most at risk under the new storage tiers?

Slow-moving units are the exposure. Niche shades, oversized sets, and seasonal or limited-edition items that sit past the reported 181, 271, and 365-day thresholds accumulate the steepest per-unit storage cost. Rank your catalog by velocity and start the review there.

Q3. How does regional placement affect my Buy Box?

If your inventory concentrates in fewer regions, some customers see slower delivery estimates. Slower shipping can weaken Prime eligibility and Buy Box competitiveness against better-distributed sellers, so plan inbound shipments to keep bestsellers stocked across demand geography.

Q4. Will these rules stop me from launching new lines?

Not directly, but capacity is reportedly tied to sell-through history that new SKUs do not have yet. Keep your IPI clean and your existing inventory healthy so you preserve the headroom to launch when you choose, rather than fighting for capacity mid-drop.

Q5. Should I reduce my catalog because of this?

Reduce your slow inventory, not necessarily your brand. A wide assortment is fine if each SKU turns fast enough to clear before storage fees escalate. The goal is demand accuracy per SKU and a leaner reorder cadence, not a smaller lineup for its own sake.

Q6. Is retail expansion realistic for a brand still scaling on Amazon?

Increasingly, yes. With U.S. retailers expanding Korean beauty shelves quickly, more Asian brands are running Amazon and retail in parallel. Even a modest retail footprint reduces how much a single FBA fee change can dictate your margins.

8. The bottom line

Amazon’s reported 2026 FBA changes reward the same discipline good operators already practice: know your demand per SKU, keep inventory turning, place stock where customers actually are, and avoid leaning on a single channel for your entire U.S. business. For Korean and Japanese brands scaling into a market that is clearly growing, the fees are a nudge toward operational maturity rather than a wall.

The brands that come out ahead will treat catalog hygiene and forecasting as core marketing infrastructure, not accounting chores. If you want a second set of hands mapping your SKU velocity, planning regional inbound, or building a retail track alongside Amazon, that is the kind of U.S.-market work Calywire has done with consumer brands since 2014. Either way, the move to make this quarter is simple: pull your velocity data and act on the slow tail first.

Sources

• Chosun Biz: Amazon tightens FBA rules as K-beauty scales in North America
• AMZ Prep: Amazon FBA Fees Explained
• ShipBob: A Breakdown of Amazon FBA Fees
• Brandwoven: Amazon 2026 Fees Breakdown: FBA, Referral, Inbound Placement