  | 
Iceland | 
 Icelandic | 
  | 
India | 
 Hindi (official), English (official), Bengali, Gujarati, Kashmiri, Malayalam, Marathi, Oriya, Punjabi, Tamil, Telugu, Urdu, Kannada, Assamese, Sanskrit, Sindhi (all recognized by the constitution). Dialects, 1,652 | 
  | 
Indonesia | 
 Bahasa Indonesia (official), Dutch, English, and more than 583 languages and dialects | 
  | 
Iran | 
 Farsi (Persian), Azari, Kurdish, Arabic | 
  | 
Iraq | 
 Arabic (official) and Kurdish | 
  | 
Ireland | 
 English, Irish Gaelic | 
  | 
Isle of Man | 
English, Manx | 
  | 
Israel | 
 Hebrew (official), Arabic, English | 
  | 
Italy | 
 Italian; small German-, French-, and Slovene-speaking minorities | 
  | 
Ivory Coast | 
 French (official), and African languages (especially Diaula) | 
  | 
Jamaica | 
 English, Jamaican Creole | 
  | 
Japan | 
 Japanese | 
  | 
The Bailiwick of Jersey | 
English, French | 
  | 
Jordan | 
 Arabic (official), English | 
  | 
Kazakhstan | 
  Kazak (Qazaq), official language spoken by over 40% of population; Russian, official language spoken by two-thirds of population and used in everyday business | 
  | 
Kenya | 
 English (official), Swahili (national), and several other languages spoken by 25 ethnic groups | 
  | 
Kiribati | 
 English (official), I-Kiribati (Gilbertese) | 
  | 
Korea, North | 
 Korean | 
  | 
Korea, South | 
 Korean | 
  | 
Kuwait | 
 Arabic (official), English | 
  | 
Kyrgyzstan | 
 Kyrgyz (official); Russian is de facto second language of communication | 
  | 
Laos | 
 Lao (official), French, English | 
  | 
Latvia | 
 Latvian | 
  | 
Lebanon | 
 Arabic (official), French, English | 
  | 
Lesotho | 
 English and Sesotho (official); also Zulu and Xhosa | 
  | 
Liberia | 
 English (official) and tribal dialects | 
  | 
Libya | 
 Arabic, Italian and English widely understood in major cities | 
  | 
Liechtenstein | 
 German (official), Alemmanic dialect | 
  | 
Lithuania | 
 Lithuanian (official), Polish, Russian | 
  | 
Luxembourg | 
 Luxermbourgish, French, German |