Analysis of information sources in references of the Wikipedia article "Swahili coast" in English language version.
isbn:1405380187.
After Arabic, Swahili is the most widely used African language but the number of its speakers is another area in which there is little agreement. The most commonly mentioned numbers are 50, 80, and 100 million people. [...] The number of its native speakers has been placed at just under 2 million.