How many and what languages should one learn in order to be able to speak to at least 90% of all humans?
What is the least amount of languages you would need to be able to speak to communicate with 90% (or a definitive vast majority) of the world's population? And what are they?
How many languages are spoken in the world? How many active spoken languages are there in the world? What percentage of the world's population is bilingual? How many languages do you speak? How many languages are there in world? What percentage of the American people speak a foreign language? What are the top 10 most spoken languages in the world? What is the most commonly spoken language in the world and why? How many languages do you know? What share of the world population is bilingual? Where are you from, and how many languages can you speak? What are the top 5 languages spoken across the world? Where do people speak multiple languages (3+) on a daily basis? What is the easiest language in the world? What is it like to be able to speak and truly understand more than 5 languages fluently (including slang etc.)? What is the most logical language in the world? How likely is it that there will ever be a universal language used across Earth? Which is the most difficult language of the world and why? Which languages are used the most on the internet? Is there any countries in which national language are not widely spoken and why? What is the easiest language to learn in the world? Which is the easiest language to learn in the world? What's the easiest foreign language for a native English speaker, living in America, to learn to speak? If the world had to speak one language what would that language be? How many countries speak Russian? What's the best language in the world? And why? How many languages can you speak and why did you learn them? Why are there so many languages in the world? Which language do you think is the most difficult all over the world? Will all the humans on this planet speak one language some day?