Nigeria was not banned by US for non immigrant visas Non immigrant visa applications are not affected. So, if you are planning just to visit the US, you are not really affected. See this guide by the American Embassy on how Nigerians can increase their chances of getting non immigrant visas. Related By OzoIgboNdu1 of Igbo Defender I am an Igbo prince. Onye Igbo ka m bu! View all of OzoIgboNdu1 of Igbo Defender's posts.