Country Diet by Macronutrient Dominant Bacteria % Carb % Protein %Fat Burkina Faso 68 12          20 Bacteroidetes Italy 49 12 39 Firmicutes Japan 58 13 29 Bacteroidetes Malawi 77 10 13 Bacteroidetes USA 49 12 38 Firmicutes Venezuela 64 11 26 Bacteroidetes

Table 1: Global macronutrient consumptions and gut microbiota compositions.