This list of tallest buildings in Perth ranks skyscrapers in the Australian city of Perth by height to the highest architectural detail. This ranking system, created by the U.S.-based Council on Tall Buildings and Urban Habitat includes the height to a spire but not to an antenna. The tallest building in Perth is the 51-storey Central Park (more commonly known as the "Rio Tinto building") at 249 m (817 ft), completed in 1992. It also stands as the tallest building in the state of Western Australia. Perth currently has 5 buildings that reach the height of 150 metres (490 ft), of which 3 reach a height of at least 200 metres (660 ft). Perth has the fifth-greatest number of skyscrapers of any Australian city, after Melbourne, Sydney, Brisbane, and the Gold Coast.[1]