Iran Press/Europe: The award was announced at a news conference in Stockholm.
Glück was recognized for "her unmistakable poetic voice, that with austere beauty makes individual existence universal," said the Swedish Academy, which oversees the award.
The Academy added she was "surprised" when she received their phone call, BBC reported.
Glück, born in 1943 in New York, lives in Massachusetts and is also a professor of English at Yale University.
The Academy's permanent secretary Mats Malm said he had spoken to Glück just before making the announcement.
"The message came as a surprise, but a welcome one as far as I could tell," he said.
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