"We are saddened to learn that, after a long tenure gracing the Norwegian parliament with his soulful blue eyes, Jens Stoltenberg will be stepping down as Prime Minister," the index's compiler told The Local. "We plan on revising the site within the next few weeks to reflect this unfortunate turn of events."
Stoltenberg has topped the list ever since Ukrainian Prime Minister Yulia Tymoshenko was voted out and then thrown into jail in 2010.
The ranking of 209 world leaders, which describes itself as "a scientific and unbiased ranking of world leaders in order of hotness", has featured in Time Magazine and the Washington Post.
The index's author said that present research indicated that Stoltenberg would not be replaced by Jigme Khesar Namgyel Wangchuck, the fine-featured King of Bhutan, who currently sits just behind Stoltenberg in the ranking.
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"Unfortunately for the good people of Bhutan, he will stay at number two. The prime minister of Thailand will snag the number one spot -- she's a knockout."
Yingluck Shinawatra, 46, became Thailand's first ever female Prime Minister in August 2011.