私の知る限り、世界で最も高い建物は、828メートル（2,716フィート）で163階建てのブルジュハリファです。アラブ首長国連邦のドバイにあります。
As far as I know, the tallest building in the world is the Burj Kalifa which stands at 828 meters (2,716 feet) and has 163 floors. It is located in Dubai in the United Arab Emirates.