text: 200 different countries issue passports. Which is yours?\n\nFor the USA the answser is here: http://travel.state.gov/passport/guide/faq/faq_881.html\n"The photos must measure exactly 2 inches by 2 inches."\n\nFor the UK: http://www.passports.gov.uk/general_photos_standards.asp\n"45 millimetres (mm) high x 35 millimetres (mm) wide (please do not trim your photographs to meet this condition)"