In 1986, according to World Bank and UN figures, Qatar's population stood at just 398,000.
The group said it wants good relations with the world "on the basis of mutual respect."
The move follows protests online about the 'depravity' of the film.
Qatar recalls envoy to Iran after attacks on Saudi missions: State News.
Unknown gunmen kidnapped 26 Qatari hunters including royal family members on Wednesday.
The five-year loan is smaller than the amount of up to $10 billion which bankers said last month that the government aimed to borrow.