Confidence in the EU economy sank to a record low in December, the European Commission said Thursday, while official data confirmed the 15-nation euro zone officially slipped into recession in the third quarter.

The Commission reported that its economic sentiment indicator (ESI) slumped sharply in December, declining 7.0 points for the EU as a whole and 7.8 points in the euro zone, to 63.5 and 67.1.

This put the indicators for both the EU and the euro zone at their lowest levels since the series was launched in January 1985.

"The data was horrendous," said Stuart Bennett, a senior analyst at Calyon Credit Agricole who thinks the pressure will mount on the European Central Bank to cut its benchmark rate from the current 2.5 percent next Thursday.

Bennett also said the index augured bad news for fourth quarter GDP data, which are due later this month.

The breakdown of the sentiment surveys made for pretty dire reading, with the index dropping sharply for the industrial, consumer and services sectors.

The Commission also said its euro zone business climate indicator fell to minus 3.17 in December, again its lowest level since January 1985 and added industrial production growth was likely to "turn out clearly negative" in the fourth quarter.

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Separately, the statistics office Eurostat confirmed Thursday that the euro zone economy slipped into a recession in the third quarter of 2008, while unemployment rose for the fourth month running during November.

It said gross domestic product of the then 15-nation single currency zone contracted by 0.2 percent for the second consecutive quarter during the July-September period. That means the euro zone economy officially fell into recession even before the worst of the financial crisis. The accepted definition of a recession is two quarters of negative growth.

Germany, the euro zone's largest single economy and Italy, both slipped into recession in the third quarter but France bucked the trend, posting a 0.1 percentage point quarterly increase in output during the period following a 0.3 percent reverse in the second quarter.

The wider 27-nation EU economy had not yet slipped into a recession, according to Eurostat figures. Its 0.2 percent contraction in the third quarter followed flat growth in the second quarter.

During the third quarter, Slovakia, which joined the euro at the start of 2009, saw the highest growth, up by 1.5 percent, followed by Ireland and Poland, which both recorded 1.2 percent growth.

Britain was the worst performing major economy during the third quarter, posting a 0.6 percent decline in output. However, Britain is not yet officially in recession as it posted flat growth during the second quarter.

On an annual basis, euro zone and EU GDP were 0.6 percent and 0.8 percent higher respectively. Both rates were more than half lower than the 1.4 percent and 1.7 percent recorded in the previous quarter.

In a separate release, Eurostat said unemployment rose to 7.8 percent in November from 7.7 percent in October. That was the fourth straight increase in unemployment. In the wider EU, the unemployment rate rose 0.1 percentage point for the second consecutive month to 7.2 percent.

Eurostat estimated that 17.5 million people were unemployed in the EU as a whole, with 12.2 million jobless in the euro zone. Compared with October, unemployment was up 274,00 for the EU and 202,000 for the single currency zone.

EU spokeswoman Amelia Torres conceded that the overall economic situation was not getting any better but laid out the hope that December's euro200 billion fiscal stimulus plan will help to limit the length and depth of the recession.

"We hope that we will be able to avoid massive job losses because of the recovery plan," said Torres.