Manufacturing output in January fell 3.1 percent from a year earlier, data from the Singapore Economic Development Board showed. The median forecast in a Reuters survey predicted a 3.0 percent contraction.
This was the biggest contraction since July 2016, when manufacturing output fell 3.3, Reuters data showed.
On a month-on-month and seasonally adjusted basis, industrial production rose 0.9 percent in January, missing the poll's median forecast calling for a 2.0 percent expansion.