Babylon would be inhabited only by wild animals forever, no longer by human beings. It would be as uninhabited as Sodom and Gomorrah after the Lord overthrew those cities. Babylon continued to be inhabited for many years following the Persian take-over, and the present countries of Iraq, Kuwait, and Syria currently occupy its territory. This prophecy anticipates the future destruction of Babylon (cf. Zechariah 2:6-9; Revelation 16:19; Revelation 17:1 to Revelation 19:3). [source][source][source]
"This prediction has not yet been fulfilled. Babylon has been inhabited throughout her history, and the government of Iraq has begun restoring some portions of the ancient city. Iraq"s plans to restore Babylon are published in a pamphlet, Archaeological Survival of Babylon Is a Patriotic, National, and International Duty (Baghdad: State Organization of Antiquities and Heritage, 1982). The prophecy about Babylon"s complete ruin awaits a future fulfillment during the Tribulation period." [1][source]