In 2015, NAEYC responded to requests to help state teams define indicators of progress toward a well-qualified, professional early childhood educator workforce and toward stronger professional development systems, ultimately resulting in this resource. These PD system indicators were developed with a national advisory panel using the Blueprint framework. Cross-sector teams from seven states piloted draft indicators in a self-assessment survey format that could be used to generate multiyear timelines with measureable goals and benchmarks (see "PD System Indicators Survey Instrument"). (author abstract)