Search for your country's closest consulate or embassy at the U.S. Department of State website. (See Resources)
Contact the office using the information provided to determine if an appointment is required or if your passport can be renewed through the mail or online. Certain countries, such as France, require in-person appointments.
Gather the documents required by the consulate or embassy. This may include a birth certificate, driver's license or current passport.
Obtain in person or print out the application from the website and fill it out as directed if your country allows you to renew your passport by mail.
Submit the application along with the required payment to the correct address either in person or by mail.