a lot...
It was built to be the tallest building in the world (at its time.)
True Fact: William Frederick Lamb. He was in a competition making the Empire State Building the tallest building in the world.
Herbert Hoover
21,700,001
steel beams
concrete
It took 410 days, which is one year and 45 days to build the Empire State Building. That was over 200,000 hours of labor, during the course of roughly 14 months, to build what was the tallest building at that time.
It took approximately 1.5 years to build
The Empire State Building is pretty tall, man, so obviously to build one taller would take longer than the Empire State Building took.
the same reason for the twin towers financial
3400 workers
empire state building