Rate of Ebola cases and death based on the total population of the countries (or world for Totals), excluding Congo. Data taken from Wikipedia on September 30th. Last data from September 25th. Based on populations: World 7,176,023,055, Guinea 10,628,972, Liberia 4,092,310, Sierra Leone 6,190,280, Nigeria 174,507,539, Senegal 13567338. Order and colouring of contries based on the diagram uploaded by user "The Anome"