STEP Worldwide has more than 20,000 members from across 95 countries. Members belong to a local branch/chapter that provides professional development and opportunities to network at a local level.

Within the United States, STEP is known as STEP USA. Currently, there are 17 branches and chapters in the USA. The amount of members in this region makes up approximately 5 per cent of the global STEP membership.

A regional body, STEP USA, has been established to coordinate activities and grow membership across the USA branches and chapters. STEP USA has its own Board of Directors.

The current STEP Council Members representing the USA are Ellen Kratzer and Stan Barg.

STEP New York is the largest and fastest-growing branch of STEP USA.