From GCN:
OpenDataSoft has mapped more than 1,600 open data portals worldwide, in an effort to make clean, usable data easier to find and access.
After collecting a comprehensive list of open data portals from around the world through the company’s Open Data Inception project and filling in geographical coordinates for more than 600 of them by hand, the data was cleaned, organized and categorized.
Direct to Complete Article
Direct to Open Data Inception List of Open Data Portals
ON A RELATED NOTE…Released Yesterday…European Commission Launches European Data Portal (240,000+ Datasets From 34 Nations)