Indonesia
noun: Indonesian(s)
adjective: Indonesian
Iran
noun: Iranian(s)
adjective: Iranian
Iraq
noun: Iraqi(s)
adjective: Iraqi
Ireland
noun: Irishman(men), Irishwoman(women), Irish (collective
plural)
adjective: Irish
Isle of Man
noun: Manxman (men), Manxwoman (women)
adjective: Manx
Israel
noun: Israeli(s)
adjective: Israeli
Italy
noun: Italian(s)
adjective: Italian
Jamaica
noun: Jamaican(s)
adjective: Jamaican
Japan
noun: Japanese (singular and plural)
adjective: Japanese
Jersey
noun: Channel Islander(s)
adjective: Channel Islander