Futures on major U.S. indices point to a lower opening on Thursday ahead of economic data including weekly jobless claims and non-farm productivity.

Futures on the S&P 500 are down 0.16 percent, futures on the Dow Jones Industrial Average are down 0.12 percent and Nasdaq100 futures are down 0.08 percent.

Ahead of Friday's December nonfarm payrolls report, the Department of Labor is due to report the initial jobless claims data at 8:30 am EDT. The economists forecast initial jobless claims to be 400,000 for the week ended April 30 against 429,000 of the previous week. Any data that is weaker than expected will weigh on market sentiments.

Payroll firm ADP Employer Services said on Wednesday that U.S. private employers added 179,000 jobs in April compared with upwardly revised figure of 207,000 jobs in March, while markets had expected a gain of 198,000 jobs in April.

Productivity of nonfarm U.S. business workers is expected to rise by 1.1 percent compared to 2.6 percent gain in the fourth quarter. Unit Labor Costs are expected to rise by 0.8 percent compared with the prior drop of 0.6 percent.

On the earnings front, Airgas, Cablevision Systems, Centurylink, Sara Lee, Fortune Brands and Frontier Communications will report their quarterly earnings before markets open, while American International Group, Visa, Microchip Technology and Public Storage are due to report their quarterly earnings after the closing bell.

The euro declined 0.04 percent to 1.4822 against the dollar and the yen gained 0.84 percent against the greenback.

Crude oil futures declined 1.15 percent to $107.55/barrel and gold futures fell 0.52 percent.

European stock markets are currently trading lower with FTSE 100 down by 23.57 points, DAX30 down by 10 points and CAC 40 down by 29.59 points.