Wolof
3.200.000 speakers
14 language specific characters
ISO 639 code: wol
Wolof is a Niger-Congo language with about 3,2 million speakers in Senegal, France, Gambia, Guinea, Guinea-Bissau, Mali and Mauritania. Wolof is one of the six national languages of Senegal, along with Serer, Mandinka, Pulaar, Diola and Soninke.
The Wolof orthography using the Latin alphabet was standardised in 1974. Before then Wolof was usually written with a version of the Arabic script known as Wolofal, which is still used by many older men in Senegal.
source
wikipedia.org, omniglot.com & ethnologue.com
younger brothers
sample text

Boul doon gutuut bu fekké ni ramatu nga. Boul doon ramatu wala xaakh bu fekké ni xath nga. Kounek meun na nioula dégg. Nioun nioy Underware.