The interactive atlases allow for query and visualization of data from various areas of health statistics. They offer a vast range of possibilities for display and comparison, which can be interactively varied by country and country grouping, indicator, year or a specified value. Classifications, groupings and colour coding can be adjusted in the legends. For more information about the content and functionality of each atlas, see its introduction page on the list below. A help button, located on the upper right corner of each display, leads to further detailed instructions on the functions and analyses provided.