Delta Sigma Theta Sorority, Incorporated. is a private, not-for-profit organization whose purpose is to provide assistance and support through established programs in local communities throughout the world. The sorority currently has 1,000 collegiate and alumnae chapters located in the United States, Canada, Japan (Tokyo and Okinawa), Germany, the Virgin Islands, Bermuda, the Bahamas, Jamaica, West Africa and the Republic of Korea.

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More than 10,000 members typically attend Delta Sigma Theta Sorority, Incorporated’s biennial national conventions, and each of the seven regional conferences (held during years when there is no national convention) typically hosts thousands of members. During the Centennial Celebration, the 51st National Convention, held in the District of Columbia, more than 38,000 members registered and attended.