Brazil (café da manhã, desjejum): Mostly, in the Southeast Region, black coffee, cow milk, yogurt, white cheese, fruit juices. During the week, usually black coffee with some milk and a cheese roll (pão de queijo).
France: Cups of coffee, often café au lait, or hot chocolate, usually served in big bowls, accompanied by a glass of orange or grapefruit juice. The main food consists of sweet products such as tartines. A typical French breakfast does not include any savory (salgado) product.
Germany. The typical German breakfast consists of bread rolls, butter, jam, ham, sausages, soft-boiled eggs and coffee; cereals have become popular.
Iraq: Tea, a lamb stew, pita bread dipped in rich labneh, a type of yogurt, or in olive oil and za'atar (a common Middle-Eastern spice mix).
Italy (colazione): Capuccino, bread or rolls, butter, and jam. It is very common for Italians to have a quick breakfast snack during the morning (typically a panino, or bread roll).
Japan: Miso soup, rice with nori or other garnishes, natto (a type of fermented soybean), grilled fish, raw egg, and a pickled vegetable, green tea (traditional) and coffee (modern).
Korea: Rice (sometimes seasoned with cinnamon), soup, several kinds of Namul or seasoned vegetables, Kimchi (fermented, pickled vegetables/pepper), and grilled meat or fish.
Nigeria (Yoruba people): Ògì— a porridge made from corn, usually served with evaporated milk. Ògì is eaten with Acarajé (akara) or Moi moi, English tea or malta. Another popular option in south west Nigeria is garri (known in Brazil as farofa, made from the root of cassava). For breakfast it is soaked in water and sweetened with sugar.
Portugal (pequeno-almoço): Two varieties: one eaten running to work (yogurt, milk, coffee or both and some bread with butter, cheese or jam) and another, more time-consuming, on the weekends (with the addition of orange juice, croissants, different kinds of pastry, and/or cereal).
Spain: In Central Spain the traditional breakfast is “chocolate con churros” (hot chocolate with Spanish-style fritters).
UK (Britain and Ireland): Weekends: Eggs, bacon, baked beans, tomatoes, sausages, mushrooms, accompanied by toast and tea or coffee. A full breakfast is also a meal available any time at many cafés and “greasy spoons” (boteco, no Brasil e “tasca” em Portugal). The author Somerset Maugham once quipped that "the only way to eat well in England is to have breakfast three times a day." Soft-boiled eggs can be eaten with buttered toast cut into strips, which are then dipped into the runny yolk. In the United Kingdom, these strips of toast are known as Soldiers.
USA: Hot oatmeal porridge, grits (in the South), eggs, bacon, ham, sausages, pan-fried potatoes (hash browns), biscuits, toast, pancakes, waffles, bagels, French toast, cornbread, English muffins, pastries (such as croissants, doughnuts, and muffins), and fresh or stewed fruits of various types. Coffee, tea, milk and fruit juices are standard breakfast beverages.... Eggs are strongly associated with breakfast, to the extent that many Americans and Canadians consider egg dishes out of place later in the day.
Other countries: http://en.wikipedia.org/wiki/Breakfast