Growth in Eurozone's broad money aggregate or M3 slowed to 3.3 percent in December from 3.8 percent in November, data from the European Central Bank showed Monday.

Economists expected the rate of growth to accelerate to 3.9 percent. M1 or narrow money supply increased 6.2 percent in December compared to a year earlier.

Credit extended to the private sector fell 0.8 percent year-on-year last month. Loans to households rose 0.5 percent, and lending for house purchase increased 1.3 percent.