WASHINGTON — The 90-day moving average worldwide sales of semiconductors fell 5.8% year-over-year to $26.9 billion in January.

Sales were off 2.7% from the revised December total of $27.6 billion, the Semiconductor Industry Association said.

Sales into the Americas were particularly sluggish, decreasing 5.9% month-to-month and 16.9% year-to-year.

“Global semiconductor sales decreased in January across most regional markets and product categories, largely due to softening demand and lingering macroeconomic headwinds,” said John Neuffer, president and CEO, Semiconductor Industry Association. “Despite these challenges, modest market growth is projected for 2016, following essentially flat sales last year.”

Regionally, sales decreased in most regions: China (down 0.4% month-to-month and up 4.3% year-to-year), Europe (down 1.7% sequentially and 7.7% from a year ago), Japan (down 3.3% sequentially and 5.1% from 2015), Asia Pacific/Other (down 2.8% sequentially and down 6.5% from last year), and the Americas (down 5.9 sequentially and 16.9% from 2015).

Sales also decreased across most major semiconductor product categories, with the notable exception of microprocessors, which increased year-to-year 2.1%.