Data have new significance, due to sheer volume and importance for decision making. Calls to make publicly-produced data freely available are increasing in step. But the potential of data to solve pressing economic and social challenges must strike a balance between openness and privacy.
How can access to publicly held data be maximized while protecting privacy? This in-depth look at public-to-public and public-to-private data sharing finds that opening data should be the default, but provides guidance on taking informed decisions about what and how data should be open to ensure maximum openness, mutual trust, transparency, and protection of sensitive personal information.