The World Factbook Seven different categories with 79 different “fields” of statistics make up The World Factbook produced by the United States' Central Intelligence Agency. World Health Organization With an emphasis on how international comparisons and evaluative analysis can impact world health, the World Health Organization offers the Global Health Observatory, a data site on various diseases, mortality rates, and other variables such as gender, class, and technology. Its contains over 50 datasets for as many as 194 countries. A Survey of Data Sites and Subjects Covered In order to observe which subjects the above data sites cover, the following tables are provided. For simplicity, the field is marked "none" if the site does not cover the subject at all, "primary" if the site covers the subject with original research or collects the research itself from individual national institutions, and "secondary" if the site covers the subject with derivative research (often from another source in the same table) or if it uses a combination of original and derivative research. Please note that this is what each data site of the above sources contain. It could be that the source covers the subject in another medium or report. Economic Environment Political Social References International rankings International relations