World Database on Protected Areas (Protected Planet)

Data Type: Protected areas
Spatial Resolution: N/A
Source: IUCN; UN Environment Programme World Conservation Monitoring Centre
Publication Date: Updated continuously
Urban Applicability: Good

Searchable global database of protected areas and other effective-area conservation measures (OECM), updated monthly.

How to access: 

Data is downloadable as a single file or as subsets by region, country or individual area.