Youth sports markets have achieved rapid growth after Covid.  They are emerging as important centers for community, for gathering extended family, and for fun.  Community development, health tracking, video streaming, competitive skill development are aspects of market growth.  Software is becoming more sophisticated.  The studies document the market size, profile the significant players, detail the sizes of the different segments, and provide ratios as to the relative size of the various segments.  Team numbers, league numbers, and participants by sport are presented in the study.