The OECD Data Portal is now in public beta.
The public data portal lets you find, interact, compare and share data. The design puts emphasis on responsiveness, the charts have flexible sizes and functionalities depending on the device context.
The interface has a good usability and very interesting features like the small teaser charts that are fully functional and dynamic and the country dashboard as a summary of relevant country indicators. You can visualize more details in the video or the site.
Moritz Stefaner has been in charge of the data visualization strategy and the chart design and specifications. According to Stefaner the main design credit goes to Raureif and the UI implementation were done by 9elements.