The ability of a regional economy to innovate drives healthy growth, but innovation is a complex concept. How can you measure innovation in order to improve it? This index provides leaders and practitioners with the first tool for comparing regional innovation performance with that of the United States, a state, or other regions. Like the cluster tool, the primary advantage of the innovation index is its flexibility. Users can design their own region and easily make comparisons across regions. A word of caution is in order: measuring regional innovation can be tricky. As a result, this tool allows the exploration.