Mauritania:
Hasaniya Arabic (official), Pular, Soninke, Wolof
(official), French

Mauritius:
English (official), Creole, French, Hindi, Urdu, Hakka,
Bojpoori

Mayotte:
Mahorian (a Swahili dialect), French (official language)
spoken by 35% of the population

Mexico:
Spanish, various Mayan, Nahuatl, and other regional
indigenous languages

Micronesia, Federated States of:
English (official and common
language), Trukese, Pohnpeian, Yapese, Kosrean

Moldova:
Moldovan (official, virtually the same as the Romanian
language), Russian, Gagauz (a Turkish dialect)

Monaco:
French (official), English, Italian, Monegasque

Mongolia:
Khalkha Mongol 90%, Turkic, Russian (1999)

Montserrat:
English

Morocco:
Arabic (official), Berber dialects, French often the
language of business, government, and diplomacy