Half of the world's languages are not Indo-European (but almost half of the population speak an Indo-European language)

Big Think recently published an article titled "Half of All Languages Come from One Root Language. How it Spread Is Something of Debate" by Philip Perry. This is a nice article that provides an introduction to the stormy debate on the origins of the Indo-European languages family to the public. It is always appreciated to see current research debate covered in popular press!
The article informs the reader that "half of the languages spoken today by some 3 billion people come from a single root language". This is unfortunately misleading, I'll provide some context here.
TL;DR Only 6% of the 7,000-ish languages alive today are Indo-European. However, 46% of people speak an Indo-European language. Languages are not evenly distributed across the population, i.e. not half of the world's languages are Indo-European even if almost half of people speak it.
The writer is referring to the Indo-European language family, the most studied and well-known language family i…
The article informs the reader that "half of the languages spoken today by some 3 billion people come from a single root language". This is unfortunately misleading, I'll provide some context here.
TL;DR Only 6% of the 7,000-ish languages alive today are Indo-European. However, 46% of people speak an Indo-European language. Languages are not evenly distributed across the population, i.e. not half of the world's languages are Indo-European even if almost half of people speak it.
The writer is referring to the Indo-European language family, the most studied and well-known language family i…