What was the article? This one from November claims revenue has still increased - while ridding themselves of more wealth hoarders:

“Revenue from it has climbed despite the exodus and now sits at 0.6% of GDP”

https://www.reuters.com/business/norways-wealth-tax-trades-millionaires-equality-2025-11-24/

They’ve had a wealth tax in Norway since 1892.

Those statistics are misleading. China’s population is very unevenly distributed between the east and west, but Western China is still serviced by high-speed railway.

The 1786km Lanzhou–Urumqi HSR serves three Western Chinese provinces: Gansu (57.7 people per sq km), Qinghai (8.2) and Xinjiang (15.8).