Last Updated: May 23, 2026

85+ Manufacturing Backlog Statistics for 2026

Name: Manufacturing Backlog Statistics 2026
Creator: Manufacturing Lead Generation
License: https://manufacturingleadgeneration.com/terms/

A manufacturer's backlog is the order book buyers feel before they see it. It shows up as longer quote queues, tighter delivery promises, more supplier follow-up, and harder conversations about expedite fees. When a plant says capacity is booked, the public data can show whether that story matches the market.

This report pulls 85 manufacturing backlog data points from the Census Bureau's M3 program, FRED series sourced from Census data, and the ISM Manufacturing PMI. The short version: US manufacturing unfilled orders reached $1.541 trillion in March 2026, with transportation equipment and aircraft carrying most of the load.

$1.541T

in US manufacturing unfilled orders in March 2026

Source

+9.4%

year-over-year growth in total manufacturing unfilled orders

Source

$968.8B

in transportation equipment unfilled orders

Source

$698.9B

in nondefense aircraft and parts unfilled orders

Source

6.88

durable goods unfilled orders-to-shipments ratio

Source

54.4

ISM March 2026 Backlog of Orders Index

Source

What's in This Report

National backlog and unfilled orders data
Backlog by manufacturing sector
Unfilled orders-to-shipments ratios
New orders, shipments, and demand signals
Benchmarks for quoting and lead generation

National Manufacturing Backlog Statistics

Census calls backlog "unfilled orders." It is the value of orders manufacturers have accepted but not yet shipped. That makes it a useful pressure gauge for OEMs, contract manufacturers, distributors, and industrial marketers. A rising order book can mean healthy demand, but it can also mean buyers are waiting longer for finished product.

#	Statistic	Source
1	The Census Bureau reported March 2026 unfilled orders of $1.5409 trillion for manufactured goods.	Source
2	FRED's seasonally adjusted total manufacturing unfilled orders series recorded $1.540856 trillion in March 2026.	Source
3	Total manufacturing unfilled orders increased 9.4% from March 2025 to March 2026.	Source
4	March 2026 was the highest month in the total manufacturing unfilled orders series that begins in 1992.	Source
5	The low point in the 1992 forward total manufacturing backlog series was $424.3 billion in March 1994.	Source
6	Census said unfilled orders increased $1.6 billion, or 0.1%, from February to March 2026.	Source
7	Census reported that unfilled orders had risen in 20 of the previous 21 months as of March 2026.	Source
8	New orders for manufactured goods reached $630.4 billion in March 2026, up $9.1 billion or 1.5% from February.	Source
9	Shipments reached $633.9 billion in March 2026, up $8.8 billion or 1.4% from February.	Source
10	Inventories reached $956.3 billion in March 2026, up $5.8 billion or 0.6% from February.	Source
11	The manufacturing inventories-to-shipments ratio was 1.51 in March 2026, down from 1.52 in February.	Source
12	FRED's shipments series hit $633.940 billion in March 2026, the highest reading in that series.	Source
13	Total manufacturing shipments rose 5.5% from March 2025 to March 2026.	Source
14	FRED's total manufacturing new orders series reached $630.448 billion in March 2026.	Source
15	Total manufacturing new orders were 2.1% higher in March 2026 than in March 2025.	Source
16	The Census M3 program calculates seasonally adjusted new orders by adding the change in seasonally adjusted unfilled orders to current month seasonally adjusted shipments.	Source

Manufacturing Backlog by Sector

The national number hides the real story. Aircraft, transportation equipment, fabricated metal products, electrical equipment, and machinery behave very differently. A job shop that sells fabricated brackets is not living in the same backlog cycle as a Tier 2 aerospace supplier.

#	Sector	March 2026 backlog	YoY change	Readout	Source
17	Transportation equipment	$968.8B	+14.0%	63% of total backlog	Source
18	Nondefense aircraft and parts	$698.9B	+17.2%	near the 2014 record	Source
19	Durable goods excluding transportation	$572.0B	+2.5%	highest in the series	Source
20	Fabricated metal products	$158.3B	+3.0%	highest in the series	Source
21	Electrical equipment, appliances, and components	$152.9B	+1.5%	highest in the series	Source
22	Machinery	$146.4B	+2.3%	below the January 2023 peak	Source
23	Computers and electronic products	$54.5B	+5.3%	highest in the series	Source
24	Primary metals	$45.6B	+2.7%	below the 2008 peak	Source

Unfilled Orders-to-Shipments Ratios

Backlog dollars matter, but ratios make the pressure easier to compare. A $50 million backlog can be healthy for one plant and dangerous for another. The ratio tells you how many dollars of unfilled orders sit behind each dollar of current shipments.

Data point 25

Total manufacturing

6.41

down from 6.49

Series high was 8.80 in January 2016

Source

Data point 26

Durable goods

6.88

up from 6.86

Series high was 7.87 in April 2020

Source

Data point 27

Transportation equipment

14.37

up from 14.21

Series high was 19.34 in January 2009

Source

Data point 28

Census full report

6.88

down from 6.92 in February

Official March 2026 release ratio

Source

New Orders and Shipments Behind the Backlog

Backlog moves because new orders, shipments, cancellations, and revisions move. If orders come in faster than plants can ship, unfilled orders rise. If shipments catch up, the backlog can stabilize even when demand stays good.

#	Statistic	Source
29	Total manufacturing new orders were $630.448 billion in March 2026.	Source
30	Total manufacturing new orders peaked at $642.533 billion in May 2025 in the FRED series.	Source
31	Durable goods new orders were $318.909 billion in March 2026.	Source
32	Durable goods new orders were 0.9% higher in March 2026 than in March 2025.	Source
33	Durable goods new orders peaked at $344.069 billion in May 2025.	Source
34	Manufacturing new orders for industries with unfilled orders were $225.661 billion in March 2026.	Source
35	New orders for industries with unfilled orders were 0.5% lower than March 2025.	Source
36	Transportation equipment new orders were $106.731 billion in March 2026.	Source
37	Machinery new orders were $41.842 billion in March 2026.	Source
38	Fabricated metal products new orders were $43.012 billion in March 2026.	Source
39	Primary metals new orders were $28.834 billion in March 2026.	Source
40	Electrical equipment, appliances, and components new orders were $29.598 billion in March 2026.	Source

Historical Backlog Records

Historical records help keep the current cycle honest. Some sectors are at records. Others are elevated but not at peak levels. For sales teams, that difference matters because a record order book changes buyer urgency, qualification, and follow-up timing.

Total manufacturing unfilled orders have grown from $424.3 billion at the March 1994 low to $1.541 trillion in March 2026.

Source

The total manufacturing backlog series has more than tripled since its 1994 low.

Source

Transportation equipment unfilled orders bottomed at $219.2 billion in July 1995.

Source

Transportation equipment unfilled orders reached a series high of $969.4 billion in January 2026.

Source

Nondefense aircraft and parts unfilled orders peaked at $702.0 billion in December 2014.

Source

Nondefense aircraft and parts unfilled orders were $3.1 billion below that record in March 2026.

Source

Machinery unfilled orders peaked at $155.9 billion in January 2023.

Source

Machinery unfilled orders were $9.5 billion below that peak in March 2026.

Source

Fabricated metal products unfilled orders reached a series high in March 2026.

Source

Electrical equipment unfilled orders reached a series high in March 2026.

Source

Computer and electronic product unfilled orders reached a series high in March 2026.

Source

Primary metals unfilled orders peaked at $46.9 billion in July 2008.

Source

Primary metals unfilled orders were $1.3 billion below their 2008 peak in March 2026.

Source

The total manufacturing unfilled orders-to-shipments ratio peaked at 8.80 in January 2016.

Source

The total manufacturing ratio bottomed at 3.40 in June 1999.

Source

The durable goods unfilled orders-to-shipments ratio hit its series high of 7.87 in April 2020.

Source

The durable goods ratio bottomed at 3.65 in January 2000.

Source

The transportation equipment ratio peaked at 19.34 in January 2009.

Source

The transportation equipment ratio bottomed at 6.55 in January 2000.

Source

The inventories-to-shipments ratio reached 1.88 in April 2020, the high point in the FRED total manufacturing series.

Source

ISM Backlog of Orders Data

ISM gives a faster sentiment read than Census dollar values. It does not replace M3 data, but it helps show whether purchasing managers are seeing order books expand or contract right now.

#	Statistic	Source
61	ISM reported a March 2026 Manufacturing PMI of 52.7%.	Source
62	ISM's March 2026 Backlog of Orders Index registered 54.4%.	Source
63	The March 2026 Backlog of Orders Index was 2.2 percentage points below February's 56.6% reading.	Source
64	ISM reported March 2026 new orders at 53.5%.	Source
65	ISM reported March 2026 production at 55.1%.	Source
66	ISM reported March 2026 employment at 48.7%.	Source
67	ISM reported March 2026 imports at 52.6%.	Source
68	ISM's March 2026 backlog reading stayed above the 50% expansion line even as the index cooled from February.	Source

Backlog Benchmarks for Quoting and Lead Generation

Backlog data is link-worthy because it does more than fill a chart. It helps sales and marketing teams talk about real plant constraints. If your customers are fighting long lead times, you can build content around capacity, faster quoting, better forecasting, secondary suppliers, and proof that your shop can hold schedule.

Aerospace suppliers should watch aircraft backlogs first because nondefense aircraft and parts accounted for $698.9 billion in March 2026 unfilled orders. Source

Transportation equipment represented roughly 63% of the total March 2026 manufacturing backlog. Source

Durable goods excluding transportation represented about 37% of the total March 2026 backlog. Source

Fabricated metal backlog was about 3.7 months of March 2026 sector new orders when comparing $158.3 billion of unfilled orders with $43.0 billion of new orders. Source

Machinery backlog was about 3.5 months of March 2026 sector new orders when comparing $146.4 billion of unfilled orders with $41.8 billion of new orders. Source

Electrical equipment backlog was about 5.2 months of March 2026 sector new orders when comparing $152.9 billion of unfilled orders with $29.6 billion of new orders. Source

Primary metals backlog was about 1.6 months of March 2026 sector new orders when comparing $45.6 billion of unfilled orders with $28.8 billion of new orders. Source

Transportation equipment backlog was about 9.1 months of March 2026 sector new orders when comparing $968.8 billion of unfilled orders with $106.7 billion of new orders. Source

Total manufacturing unfilled orders were about 2.4 times March 2026 manufacturing shipments. Source

Durable goods backlogs are the main public signal because Census notes unfilled order data are not collected for nondurable goods industries. Source

A plant selling into capital equipment should treat a rising backlog as a capacity message, not just a demand message. Source

A contract manufacturer quoting aerospace work should ask about release schedules because aircraft order books can stay high even when monthly orders swing. Source

A fabricated metal shop can use the $158.3 billion backlog benchmark to frame lead-time pressure for OEM buyers. Source

An electrical component supplier can point to the $152.9 billion sector backlog when explaining why forecast sharing matters. Source

A machinery OEM can benchmark its order book against the $146.4 billion sector backlog, which was below the 2023 peak but still up from 2025. Source

If shipments are rising faster than backlogs, as they did in March 2026, lead times can still remain tight if order books are already large. Source

For lead generation, backlog data is most useful when it is tied to buyer pain: available capacity, quote speed, lead time, and proof that your plant can take the work. Source

How to Use This Data in Manufacturing Marketing

For a manufacturer, backlog data becomes useful when it is tied to the RFQ conversation. A buyer does not care that a macro series moved 2.5% unless it changes delivery risk, quote timing, or supplier availability. Put the number next to the operational consequence.

If your plant has open capacity while the market is tight, say so clearly. If your sector has a record backlog, build pages that explain realistic lead times, what buyers can do to keep production moving, and what information your team needs to quote faster. That is the kind of resource procurement teams save and forward.

The best manufacturing lead generation angle is practical: show buyers what the market is doing, then show them how to reduce risk. Backlog data gives you the evidence. Your page has to turn that evidence into a better buying decision.

Want Manufacturing Buyers to Find You Before the RFQ?

Get the free course on building qualified manufacturing leads with search content buyers actually use.

Get the Free Qualified Leads Course →

Cite This Resource

Suggested citation:

Manufacturing Lead Generation. "85+ Manufacturing Backlog Statistics for 2026." Last updated May 23, 2026. https://manufacturingleadgeneration.com/manufacturing-backlog-statistics/