Funder and Institutional Open Access Mandates

The graph below, taken from OpenDOAR - Directory of Open Access Resources (http://www.opendoar.org/), shows the number and type of mandates worldwide over the period 2003-to-date, demonstrating a steady increase in the use of the mandate to encourage and compel engagement with open access.  It also demonstrates the changing culture from departmental mandates to broader institutional and funder mandates.