Women's boxing is divided between 17 weight classes, from heavyweight to atomweight. The four major sanctioning bodies, WBO, IBF, WBA and WBC have champions in most of the divisions and to make it easier for boxing fans, below is a chart of who holds each of the titles and secondary belts.

American Claressa Shields was crowned boxing's first undisputed world champion in three weight classes on Sunday after beating compatriot Danielle Perkins for the women's heavyweight title by unanimous decision in front of a home crowd in Flint,

Claressa Shields became undisputed women’s heavyweight champion on Sunday, comprehensively outpointing Danielle Perkins for a hometown win in Flint, Michigan. Shields, who dropped Perkins in the 10th and final round,

Flint — Claressa Shields made history, and did it in her hometown. In front of a raucous, packed crowd at Dort Financial Center in Flint, Shields (16-0) defeated Danielle Perkins (5-1) via unanimous decision to become the undisputed heavyweight champion.