Question: Who was the highest paid athlete in 2020? List the top 5 most populous cities in their home country, along with each city's population density in people per square mile.
Categories: Sports
Demographics
Geography
Relevant Wikipedia pages:
title: Forbes list of the world's highest-paid athletes
title: Template:Largest cities of Switzerland
title: Zürich
title: Geneva
title: Basel
title: Lausanne
title: Bern