The U.S. dollar index decreased on Thursday as investors were sifting through a batch of economic data and the latest Federal Reserve announcement.

The dollar index, which measures the greenback against six major peers, decreased 0.13 percent to 92.395 in late trading.

On the economic front, new applications for U.S. jobless benefits increased less than expected last week.

In the week ending April 28, the advance figure for seasonally adjusted initial claims was 211,000, an increase of 2,000 from the previous week's unrevised level of 209,000, said the Labor Department on Thursday.

Meanwhile, U.S. Commerce Department said on Thursday that the nation's international trade deficit in goods and services decreased to 49.0 billion U.S. dollars in March from 57.7 billion U.S. dollars in February, as exports increased and imports decreased.

The U.S. central bank announced to keep the interest rates unchanged on Wednesday after concluding its two-day monetary policy meeting, in line with market expectations.

In late New York trading, the euro fell to 1.9998 dollars from 1.2005 dollars in the previous session, and the British pound decreased to 1.3575 dollars from 1.3624 U.S. dollars in the previous session. The Australian dollar was up to 0.7532 dollar from 0.7524 dollar.

The U.S. dollar bought 109.21 Japanese yen, lower than 109.68 Japanese yen of the previous session. The U.S. dollar was up to 0.9973 Swiss franc from 0.9953 Swiss franc, and it rose to 1.2853 Canadian dollars from 1.2830 Canadian dollars.