Open enrollment for 2024 health coverage begins in nearly every state on November 1, 2023. (Some exceptions: It starts on October 15 in Idaho, and in recent years New York has delayed the start until November 16. In previous years, California residents have been able to renew their existing coverage starting on October 1, although new enrollments and plan change opportunities don’t begin until November 1 in California.) In most states, open enrollment for 2024 coverage will end on January 15, 2024, but there are some exceptions, described below.