Most people associate Lutheranism with Germany, Scandinavia, and the United States. Germany indeed is number one (11,787,811), but number two is Ethiopia (7,886,595) and number three is Tanzania (6,531,336). Indonesia is fifth (6,046,321) and India is seven (4,042,543).
There are nine countries with more Lutherans than the United States (3,765,362). Followed by more African countries and Papua New Guinea.
See the list after the jump. The link discusses other significant Lutheran populations in other parts of the world, such as Australia and Brazil.
List of nations with more than a million Lutherans, from Lutheranism by region – Wikipedia:
Germany 11,787,811