Flags flutter outside the headquarters of the European Central Bank in Frankfurt, Germany. (Photo: CFP）

The eurozone economy grew in January for the first time in six months, a closely watched survey showed Tuesday, raising hopes that Europe will avoid a recession this winter.

The S&P Global Flash Eurozone purchasing managers' index (PMI) rose to 50.2 in January from 49.3 in December. A figure above 50 indicates growth.