 Following an illness, he died in a hospital in Paris on 23 July 2007, aged 71.In a statement on 24 July, Sassou Nguesso described Milongo's death as "a great loss for the Congolese nation" and praised Milongo for his service as Prime Minister from 1991 to 1992.Milongo was laid in state at the Parliament building, where politicians paid tribute to him and Sassou Nguesso bestowed a posthumous high honor on him, before being buried at his residence on 20 August.