Mid-America Apartment Communities, Inc. is a multifamily-focused, self-administered, and self-managed real estate investment trust. The Company owns, operates, acquires, and selectively develops apartment communities primarily located in the Southeast, Southwest, and Mid-Atlantic regions of the United States. Its segments include Same Store and Non-Same Store and Other. The Same Store segment represents those apartment communities that have been owned and stabilized for at least 12 months as of the first day of the calendar year. The Non-Same Store and Other segment include recently acquired communities, communities being developed or on lease-up, communities that have been disposed of or identified for disposition and others. The Non-Same Store and Other segment also include non-multifamily activities and expenses related to severe weather events. It has ownership interest in apartment units, including communities in development, across 16 states and the District of Columbia.