This report provides a snapshot of states’ efforts to create open data policies and portals and ranks states on their progress. The six top-scoring states are Hawaii, Illinois, Maryland, New York, Oklahoma, and Utah. Each of these states has established an open data policy that requires basic government data, such as expenditure information, as well as other agency data, to be published on their open data portals in a machine-readable format. These portals contain extensive catalogs of open data, are relatively simple to navigate, and provide data in machine-readable formats as required. The next highest-ranked state, Connecticut, offers a similarly serviceable, machine-readable open data portal that provides wide varieties of information, but its policy does not require machine readability. Of the next three top-ranking states, Texas’s and Rhode Island’s policies require neither machine readability nor government data beyond expenditures; New Hampshire’s policy requires machine readability and many types of data, but its open data portal is not yet fully functional. States creating new open data policies or portals, or refreshing old ones, have many opportunities to learn from the experiences of early adopters in order to fully realize the benefits of data-driven innovation.