Due to advancement in structural engineering techniques, several buildings were constructed that became popular among the people and got recognized as the world's tallest buildings. As per the sources, there are 5 tallest buildings on the planet.
Burj Khalifia: it is the tallest building located in united Arab Emirates, Dubai with a height of 828 meters.
Tokyo Skytree: it is recognized as the world's tallest broadcasting tower located in Sumida, Tokyo, Japan and its height is 634 meters.
Abraj Al Bait: this building has a total of 76 stories and it is located in Mecca, Saudi Arabia. Its height is about 601 meters.
Petronas twin towers: it is a 88 stories building with a height of 452 meters. It is located in Jalan Ampang Kuala Lampur, Malaysia.
Ekibastuz GRES-2 Power station: it is the tallest chimney ever built on the planet and it is resided at Ekibastuz, kazakhstan. The height of chimney is 452 meters.