What countries speak German as their first language?

Here are the countries where German is an official language and spoken by a majority of the population:

* Germany: This is the largest country where German is spoken.

* Austria: German is the official language and spoken by over 90% of the population.

* Switzerland: German is one of four official languages, alongside French, Italian, and Romansh. It's spoken by roughly 63% of the population.

* Liechtenstein: German is the official language and spoken by the vast majority of the population.

* Luxembourg: German is one of three official languages (along with French and Luxembourgish). It is spoken by a smaller portion of the population compared to the other two languages.

Note: While German is spoken in various other countries, it is not the official language or the primary language spoken by the majority of the population in those countries.