Language & WorldFact
One country, roughly 840 languages.
Papua New Guinea has about 10 million people and around 840 living languages, more than any other country and roughly 12 percent of all languages on Earth. Mountains, valleys and islands isolated communities for millennia. The common lingua franca is Tok Pisin, an English-based creole.
Useful: Geography shapes language: where people don't meet, dialects drift apart into separate languages.
Source: en.wikipedia.org