Swahili speaking countries Swahili is the official language in Tanzania and is spoken in 1 more countries as monther tongue by a part of the population. The Swahili language (native name: Kiswahili) has its roots in the Niger–Congo language family.
With a share of around 9%, it is most widespread in Tanzania. A total of about 5.0 million people worldwide speak Swahili as their mother tongue.
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