About how many people in the world speak an Indo-European language?

It's difficult to give an exact number for the speakers of Indo-European languages, as language statistics are complex and often based on estimates. However, based on various sources, approximately 3.2 billion people worldwide speak an Indo-European language as their native tongue. This represents roughly 45% of the global population.

Here's a breakdown of some of the major Indo-European language families:

* Indo-Aryan: This branch includes languages like Hindi, Urdu, Bengali, Marathi, and Punjabi.

* Romance: This branch includes languages like Spanish, Portuguese, French, Italian, and Romanian.

* Germanic: This branch includes languages like English, German, Dutch, Swedish, and Norwegian.

* Slavic: This branch includes languages like Russian, Polish, Ukrainian, Czech, and Serbian.

Keep in mind that these numbers can fluctuate depending on the source and the criteria used for defining "native speaker."