At first blush one might think Chinese, because of their population. But for a written language to be understood, the peoples must first be literate - ie they can read and write.
So perhaps written English would claim that palm, though Spanish and Portuguese would not be far behind.
Mandarin Chinese is the most spoken language in the world.
Mandarin Chinese is the language spoken by the most people in the world as a native language.
Mandarin is the most widely spoken language in the world.
Mandarin Chinese is the language with the most tones spoken in the world.
English is the most widely spoken language in the world.
The original bible was first written in the greek language. It was then translated into every language in the world. And it is the most sold book in the world.
it was first written in ancient Hebrew an it is now written in almost every language in the world including most dead languages such as Latin.
If using a broad definition of 'language', the fastest most understandable language used today is computer language. Written language on the Internet is easily and quickly translated (though sometimes with errors).If you mean spoken to written languages, English is the world's universal business language today.
Java applets are written in the Java programming language. Java is considered to be one of the oldest and most commonly used programming languages in the world.
Mandarin Chinese is the most spoken language in the world.
Mandarin Chinese is the language spoken by the most people in the world as a native language.
The Comanche, like most native Americans, had no written language of their own.
The third most spoken language in the world is Spanish.
Mandarin is the most widely spoken language in the world.
There is no natural language, humans never spoke one international language through the world, however the oldest language known is probably Sumerian because that was one of the first languages to be written
Mandarin Chinese is the language with the most tones spoken in the world.
In 2014, the most spoken language in the world was Mandarin Chinese.