The U.S. Has More SMR Projects Than Its Four Closest Rivals Combined

The U.S. is leading the world in small modular nuclear reactor (SMR) development with 28 siting announcements, as of 2026. This graphic, via Visual Capitalist's Cody Good, in partnership with the National Public Utilities Council, shows which countries are building the most SMRs. The U.S. Leads Global SMR Development With 28 siting announcements, the U.S. has more SMR projects in development than the next four countries combined. Source: The Nuclear Energy Agency Only 78 of 129 SMR designs being