The most populous Muslim country in the world is Indonesia.
Actually, most countries are non-muslim, meaning either that they don't have a muslim majority, or that they don't have a muslim government.
There are about 57 independent Muslim countries. Most of them are situated in Asia, and Africa.
There were two countries which were considered to be the most powerful in the world in 1968. These countries included the Soviet Union and the United States.
The most powerful brotherhood in the world is likely the Muslim Brotherhood. It is made up of fundamental Muslims who hope to forge an even stronger group.
germany
Great Britain
Muslim countries were the only that received them.
The G20 are the twenty most ecocnomically influential/powerful countries in the world
probably Queen Elizabeth II, she may even be the most powerful individual, she is head of state of 16 countries, and head of the commonwealth which contains 54 countries
Although Germany, Britain, and China are powerful countries, the US is undoubtably the most powerfuly.
United Kingdom who owned 22% of the world.