Go to the Nigerian Immigration Service website (see Resources), to apply for a Nigerian passport.
Start applying by clicking on "Passport Application." Select the type of passport you need. Click "Start Application" button to go to the application form. Fill in the form with all the information requested. Check for accuracy before hitting the "Submit" button.
Print the "Acknowledgement Form." To make a payment, click "Pay Online." To print out relevant documents such as the guarantor's form, click "Proceed."
Submit pertinent documents and have your photo taken on the date generated online. Visit the nearest immigration office to accomplish these tasks. If appointment is missed, another date can be scheduled by clicking on Reschedule Interview tab. To be updated about the processing, click on "Application Status."