The following is a list of the territorial entities where German is an official language. It includes countries, which have German as (one of) their nationwide official.
This article details the geographical distribution of speakers of the German language, regardless of the legislative status within the countries where it is spoken. In addition to the German-speaking area (Deutscher Sprachraum) in Europe.
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This is not a research-based answer, just an impression, and I'll respond to the perception about womens' voices. The raised voice in women is often an attempt .
In which Countries is this Language spoken? List of Chinese, English, Spanish, French, Arabic, Portuguese and German speaking countries.