You can start with this website http://nigeria.usembassy.gov/ A letter of invitation is usually advised. They may also need to show strong ties to their country, such as family, a job, home, a bank account.
Quick Answer. Over one billion Muslims live in Asia, which makes it the continent with the highest Muslim population. Indonesia is the country with the largest Muslim population, with 209 million people. Continue Reading.
As of 2010, over 1.6 billion or about 23.4% of the world population are Muslims. By the percentage of the total population in a region considering themselves Muslim, 24.8% in Asia-Oceania do, 91.2% in the Middle East-North Africa, 29.6% in Sub-Saharan Africa, around 6.0% in Europe, and 0.6% in the Americas.pproximately 23% of the world's population is Muslim. Current estimates conclude that the number of Muslims in the world is around 1.6 billion. Muslims are the majority in 49 countries, they speak hundreds of languages and come from diverse ethnic backgrounds.