U.S. Corrugated Box Shipments: Monthly Tracking and What the Numbers Tell Us

If you want to understand the health of the U.S. corrugated packaging industry in a single metric, look at box shipments. Measured in billions of square feet per month, this number — tracked and published by the Fibre Box Association (FBA) — is the most direct indicator of how much corrugated packaging is actually being consumed across the American economy.

Here's how the tracking works, what the recent numbers show, and what the forecasts tell us about where demand is heading.

How Corrugated Box Shipments Are Measured

The Fibre Box Association, the primary trade organization representing the U.S. corrugated industry, collects monthly shipment data from its member companies. These members collectively account for a large majority of U.S. corrugated box production.

Shipments are reported in billions of square feet (BSF) — a unit that measures the total surface area of corrugated board shipped in finished box form. This metric was chosen over tons or unit count because it normalizes for differences in board weight and box configuration.

A typical month of U.S. corrugated box shipments runs in the range of 31-36 billion square feet, depending on the time of year and economic conditions. Annual totals have historically ranged from approximately 375-400 BSF.

Why Square Feet and Not Tons

Measuring in square feet rather than tons is deliberate. As the industry has shifted toward lighter-weight containerboard (downgauging from 42-lb linerboard to 35-lb, for example) and higher-performance board grades, the same number of boxes weighs less than it used to. A tonnage-based metric would show declining shipments even when the number of boxes produced was stable or growing.

Square footage captures the actual volume of packaging entering the economy regardless of weight, making it a more accurate proxy for real demand.

The Seasonal Pattern

Corrugated box shipments follow a remarkably consistent seasonal pattern driven by the rhythms of the American economy:

January-February: The weakest months. Post-holiday inventory drawdowns reduce manufacturing output and retail replenishment. Agricultural shipments are at their seasonal low. Typical range: 29-32 BSF.

March-May: Spring recovery as consumer spending picks up, agricultural season begins (produce packaging is a major corrugated end market), and manufacturing ramps up. Monthly volumes climb toward 33-35 BSF.

June-August: Summer represents moderate, steady demand. Beverage packaging peaks. Industrial production hums along at a mid-year pace. Range: 33-36 BSF.

September-October: The pre-holiday surge. Retailers stock shelves for the holiday season, e-commerce companies build inventory, and agricultural harvest packaging peaks. October is typically the highest-volume single month, often exceeding 36 BSF.

November-December: High volumes continue through November, then taper in December as the shipping season winds down and plants close for holiday maintenance.

Understanding this seasonality is critical for interpreting monthly data. A drop from October to January doesn't signal weakness — it's the normal seasonal pattern. The meaningful comparisons are year-over-year for the same month.

What 2025 Showed: A Soft Year

The 2025 corrugated box shipment data told the story of an economy running below its potential. Full-year shipments came in approximately 1.5-2% below 2024 levels, reflecting several headwinds:

Consumer spending moderation. After the post-pandemic spending surge normalized, consumer goods purchases — the ultimate driver of corrugated demand — grew modestly at best. Categories that are heavy corrugated users (packaged food, beverages, consumer electronics) saw flat to slightly declining unit volumes.

Manufacturing recession hangover. The U.S. manufacturing sector, as measured by the ISM Manufacturing PMI, spent much of 2025 hovering near or below the 50 contraction threshold. Manufacturers cutting output means fewer parts and finished goods needing corrugated packaging.

Inventory corrections. Many retailers and distributors spent 2025 working down excess inventories built up during the supply chain crisis of 2021-2022. Drawing down existing stock means fewer new shipments, which means fewer boxes.

E-commerce growth deceleration. While e-commerce continued to grow, the rate of growth slowed compared to the pandemic-era acceleration. E-commerce is corrugated-intensive (each order typically ships in its own box), so any deceleration in online ordering growth affects box demand.

The silver lining: even a "soft" year of corrugated shipments still represents enormous volume. The U.S. economy consumes corrugated packaging for virtually everything it produces, ships, and sells. A 1.5-2% decline is a disappointment by industry growth standards but hardly a crisis.

The 2026-2027 Forecast: Moderate Recovery

Industry forecasters — including AF&PA, FBA, and various investment bank analysts — project a return to modest growth in corrugated box shipments for 2026 and 2027:

2026 Forecast: approximately 1.6% growth over 2025. This recovery is expected to be driven by:

Stabilizing consumer spending as inflation moderation supports purchasing power
Manufacturing activity returning to expansion territory
Continued e-commerce penetration, particularly in grocery and healthcare
Agricultural shipments benefiting from normal growing conditions

2027 Forecast: approximately 1.6% growth over 2026. The consensus view is that corrugated demand will track real GDP growth, with e-commerce providing a modest tailwind above baseline economic expansion.

These are not dramatic growth numbers. The U.S. corrugated market is mature, and long-term growth tends to track GDP at roughly a 1:1 ratio, with e-commerce adding perhaps 0.5-1 percentage point above that.

What Could Change the Forecast

Several variables could push actual shipments above or below the consensus:

Upside risks:

Faster-than-expected e-commerce acceleration, particularly in fresh food and pharmacy
Reshoring of manufacturing driving higher domestic industrial output
Plastics-to-fiber substitution gaining momentum in retail packaging

Downside risks:

Economic recession — corrugated demand is closely correlated with GDP
Tariff-driven trade disruptions reducing imports and exports that require packaging
Accelerated lightweighting further reducing board area per box

How to Use Shipment Data

For different industry participants, box shipment data serves different purposes:

For Containerboard Producers

Shipment trends directly forecast containerboard demand. When box shipments rise 1.6%, containerboard consumption rises proportionally (adjusted for any board weight changes). Producers use this data to plan operating rates, inventory levels, and capacity investment decisions.

The current containerboard pricing environment is heavily influenced by the balance between production capacity and demand as reflected in shipment data.

For Corrugated Converters

Monthly shipment data benchmarks your own performance against the market. If the industry grew 2% last month and your plant grew 4%, you're taking share. If the industry was flat and you declined 3%, something needs attention.

FBA data also helps converters plan workforce scheduling, equipment maintenance windows, and raw material purchasing.

For Box Buyers

Shipment trends signal the supply-demand balance that drives pricing. When shipments are growing and plants are running near capacity, expect tighter lead times and firmer pricing. When shipments are declining and plants have spare capacity, buyers have more leverage on pricing and delivery.

For current pricing trends, see our corrugated box price tracker.

For Investors

Corrugated box shipments are a leading indicator for the broader packaging industry and a real-time measure of physical economy activity. Because boxes are ordered and shipped within days or weeks of the underlying economic activity, the data captures economic inflection points faster than many other indicators.

Beyond FBA: Other Data Sources

While the FBA monthly data is the industry gold standard, other data sources complement the picture:

AF&PA (American Forest & Paper Association) publishes monthly containerboard production and inventory data. The relationship between production and shipments reveals whether producers are building inventory (bearish for pricing) or drawing it down (bullish).

Census Bureau tracks corrugated box manufacturing shipments in its monthly manufacturing survey, though the data is less timely and less granular than FBA reporting.

ISM Manufacturing PMI correlates closely with corrugated demand. When the PMI is above 50 (expansion), box shipments typically grow year-over-year. Extended periods below 50 usually correspond with flat to declining shipments.

BLS Producer Price Index for corrugated and solid fiber boxes (PCU322211) tracks price changes that, combined with shipment volumes, give a complete picture of market value.

The Long-Term Trend: Slow Growth, Not Decline

A persistent misconception is that corrugated packaging is a declining industry being replaced by plastic or reusable packaging. The data doesn't support this. U.S. corrugated box shipments have been on a slow but steady growth trajectory for decades, interrupted only by economic recessions.

The growth drivers are structural:

E-commerce requires more corrugated packaging per dollar of retail sales than brick-and-mortar stores
Sustainability trends are pushing consumer brands to replace plastic with fiber-based packaging
Population growth and household formation increase baseline packaging demand
Fresh food delivery and meal kits are opening new corrugated applications

The corrugated box isn't going anywhere. The question is whether growth will be 1% or 3% in any given year — and FBA shipment data is the best tool for answering that question in real time.

The Bottom Line

Monthly corrugated box shipments are the vital sign of an industry that touches every corner of the American economy. The 2025 softness was a reflection of broader economic conditions, not a structural shift away from corrugated packaging. With forecasts calling for 1.6% growth in both 2026 and 2027, the industry is positioned for a steady recovery — not a boom, but a return to the long-term growth trajectory that has defined corrugated packaging for generations.

Track the numbers monthly through FBA releases, and you'll have a real-time view of where the market stands and where your next pricing conversation is likely to go.