The International Building Code (IBC) 2021 provides comprehensive regulations for the design, construction, and occupancy of buildings to ensure safety, health, and welfare. Developed by the International Code Council (ICC), this edition incorporates updated standards and best practices to address emerging challenges in the built environment. Key improvements in the IBC 2021 include enhanced fire safety measures, advanced structural integrity requirements, and sustainable building practices. The code aims to promote resilience against natural disasters, improve energy efficiency, and ensure accessibility for all users. By setting uniform guidelines, the IBC 2021 supports safe and effective building practices globally.