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.
The bulk of the worldâs Muslim population â more than six-in-ten (62%) â is located in Asia, a region that, for the purposes of this report, includes not only East Asian countries such as China but also countries as far west as Turkey.