Most of the railways lines are used for freight.

https://www.aar.org/wp-content/uploads/2019/02/US-Freight-Ra...

European one barely scratches the surface, as it shows three lines in the whole Netherlands, which is not exactly true. And then China probably builds as much in a year and it's all high-speed.

> European one barely scratches the surface, as it shows three lines in the whole Netherlands, which is not exactly true.

Check https://www.openrailwaymap.org/ for a complete overview.