History of the world's tallest buildings
The tallest building in the world, as of 2022, is Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the Rouen Cathedral and the Empire State Building.
List of tallest buildings by country
The following is a list of the tallest buildings in the world by country listing only the tallest building in each country. The list is including only completed (or at least topped-out) buildings. A total of 20 countries featured in the list have supertall skyscrapers (300 m and more). Many countries have constructed new tallest buildings in the 2010s, with the oldest tallest building in a country being St. Olaf's Church in Tallinn, Estonia, which has stood as the country's tallest building since 1519.