German imports fell sharply for the second time in three months in June and exports also dropped.
It is a further sign the eurozone crisis is beginning to hurt the region's largest economy.
Imports slumped by a seasonally adjusted 3.0 percent from the previous month, reversing a 6.2 percent jump in May.
Exports fell 1.5 percent, again on a seasonally adjusted basis.
Shipments to eurozone countries, which make up around 40 percent of all German exports, fell by 3.0 percent year-on-year in June but exports to non-euro zone countries were up 4.8 percent, the data showed.
Last week a survey of purchasing managers showed new export orders falling for a 13th straight month amid softer demand from China and the United States.
Coming after worse-than-expected industrial orders for June, the trade data pointed to weakness in Germany. It has become Europe's growth
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