The first two decades of the twenty-first century represent a major milestone in skyscraper developments. By analyzing extensive data. the research presented here contrasts building activities of skyscrapers before and after the turn of the 21st century. It examines tall buildings in the world’s major continents (Asia. https://safeersappliancers.shop/product-category/aeg-bpk742320m-pyrolytic-built-in-a-rated-electric-single-oven-food-sensor-wh/