They were both born and raised in the United States.
* Jerry Siegel was born in Cleveland, Ohio, on October 17, 1914.
* Joe Shuster was born in Toronto, Ontario, Canada, on July 10, 1914.
While Shuster was born in Canada, he moved to the United States with his family at a young age and became a naturalized American citizen. Both Siegel and Shuster met and collaborated in Cleveland, Ohio, where they created Superman.