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The Global Electronics Association announced the September 2026 findings from its North American Electronics Manufacturing Services (EMS) Statistical Program. The book-to-bill ratio stands at 1.68.
Total North American EMS shipments in September 2026 were down 10.8% compared to the same month last year. Compared to the preceding month, September shipments were down 10.4%. September’s year-to-date (YTD) shipments increased by 3.6% year-over-year (YOY).
EMS bookings in September increased 41.7% year-over-year and were up 9.4% from the previous month. September’s YTD bookings increased by 19.3% compared to the same period last year.
“EMS manufacturers are working to fulfill a growing pipeline of orders. Some of the widening gap between EMS commitments and deliveries reflect longer procurement and production-planning horizons, as customers secure components ahead of future production,” said Dr. Shawn DuBravac, Global Electronics Association’s chief economist.
Detailed Data Available
Companies that participate in the Global Electronics Association’s North American EMS Statistical Program have access to detailed findings on EMS sales growth by type of production and company size tier, order growth and backlogs by company size tier, vertical market growth, the EMS book-to-bill ratio, 3-month and 12-month sales outlooks, and other timely data.
Interpreting the Data
The book-to-bill ratios are calculated by dividing the value of orders booked over the past three months by the value of sales billed during the same period from companies in the Global Electronics Association’s survey sample. A ratio of more than 1.00 suggests that current demand is ahead of supply, which is a positive indicator for sales growth over the next three to 12 months. A ratio of less than 1.00 indicates the reverse.
Year-on-year and year-to-date growth rates provide the most meaningful view of industry growth. Month-to-month comparisons should be made with caution as they reflect seasonal effects and short-term volatility. Because bookings tend to be more volatile than shipments, changes in the book-to-bill ratios from month to month might not be significant unless a trend of more than three consecutive months is apparent. It is also important to consider changes in both bookings and shipments to understand what is driving changes in the book-to-bill ratio.
The Global Electronics Association’s monthly EMS industry statistics are based on data provided by a representative sample of assembly equipment manufacturers selling in the USA and Canada. The Association publishes the EMS book-to-bill ratio by the end of each month.
