Operation World

Largest Religion: Muslim  Number People Groups: 97  Number Languages: 79  Official Language: Persian (Farsi; Dari and Tajik are major dialects); almost all Iranians speak some form of Persian as a mother tongue or second language For more information go to Iran on the Operation World website. The above link opens in a new tab.

Largest Religion: Christian  Number People Groups: 44  Number Languages: 5  Official Language: Irish, English. Irish spoken as a first language by less than 4% of the population; 40% of the Irish population can speak Irish For more information go to Ireland on the Operation World website. The above link opens in a new tab.

Largest Religion: Christian  Number People Groups: 105  Number Languages: 42  Official Language: Italian, but vigorous use of nine regional languages akin to Italian For more information go to Italy on the Operation World website. The above link opens in a new tab.

Largest Religion: Buddhist  Number People Groups: 36  Number Languages: 16  Official Language: Japanese For more information go to Japan on the Operation World website. The above link opens in a new tab.

Largest Religion: ,  Number People Groups: 66  Number Languages: 43  Official Language: Kazakh For more information go to Kazakhstan on the Operation World website. The above link opens in a new tab.

Largest Religion: Christian  Number People Groups: 5  Number Languages: 3  Official Language: English, but I-Kiribati is more widely spoken For more information go to Kiribati on the Operation World website. The above link opens in a new tab.

Largest Religion: Non-religious  Number People Groups: 12  Number Languages: 4  Official Language: Korean For more information go to Korea, Republic of on the Operation World website. The above link opens in a new tab.

Largest Religion: Muslim  Number People Groups: 28  Number Languages: 7  Official Language: Arabic For more information go to Kuwait on the Operation World website. The above link opens in a new tab.

Largest Religion: Buddhist  Number People Groups: 134  Number Languages: 89  Official Language: Lao For more information go to Laos on the Operation World website. The above link opens in a new tab.

Largest Religion: Muslim  Number People Groups: 26  Number Languages: 9  Official Language: Arabic; French and English are widely used For more information go to Lebanon on the Operation World website. The above link opens in a new tab.

Largest Religion: Ethnoreligionist  Number People Groups: 39  Number Languages: 31  Official Language: English For more information go to Liberia on the Operation World website. The above link opens in a new tab.

Largest Religion: Christian  Number People Groups: 8  Number Languages: 4  Official Language: German, but the common tongue is Alemmanic, a divergent dialect of Standard German For more information go to Liechtenstein on the Operation World website. The above link opens in a new tab.

Largest Religion: Christian  Number People Groups: 20  Number Languages: 6  Official Language: French, used in official communication. German dominates education and the newspapers. Lëtzebuergesch (of Franco-Mosellan origin) is the national language; English learning is compulsory in schools For more information go to Luxembourg on the Operation World website. The above link opens in a new tab.