What is the smallest window size for a bedroom per building code?

Building codes regarding the minimum window size for a bedroom can vary by location, but a common standard is that Windows must have a minimum net clear opening of 5.7 square feet. Additionally, the window must be at least 24 inches high and 20 inches wide to ensure adequate egress in case of an emergency. It's important to check local regulations, as they may have specific requirements regarding window size and placement.