It said the country notched up an overall surplus of EUR 19.4 billion ($21 billion) in 2015, DW wrote.
The figure marks the highest level in absolute terms since German unification in 1990. Measured against gross domestic product (GDP), the surplus amounted to 0.6% of overall output.
This compared with EUR 8.9 billion in positive territory, or 0.3%, back in 2014, Destatis calculated.
Thus 2015 was the second year in a row that Germany's public finances had been firmly in the black, while many fellow eurozone nations were unable to meet EU deficit rules, logging fresh borrowing above the allowed 3-percent-of-GDP threshold.
Destatis also confirmed a preliminary estimate that the German economy expanded by 0.3% in the final quarter of last year. Across 2015, the economy grew by 1.7%.
"Positive impulses came primarily from domestic demand," Destatis said in a statement.
In contrast, foreign trade had a dampening effect on fourth-quarter growth, with exports falling by 1.7% and imports slipping by 0.6%.
