Italy's economy grew 0.1% in the fourth quarter of 2015 from the third, confirming a preliminary estimate.
For the full year, gross domestic product rose an unrevised 1% year-on-year, data showed today.
Italian consumer demand and investments rose and net exports were positive, but inventories dragged on growth.
The country's third-quarter growth was unrevised, gaining 0.2% on the quarter and 0.8% on the year.
Italy's data lagged euro zone average growth, which increased 0.3% in the fourth quarter from the third, and gained 1.5% on the year.
Italy has been among the euro zone's most sluggish economies over the last decade.
Its economic recovery is struggling to gain momentum after emerging last year from a three-year slump.