I'm confused...
Sniff test:
World pop: ~ 7,000,000,000
1%: ~ 70,000,000
Population of the US ~ 300,000,000
Median income in the US ~ $50,000
So you can come up with well over 70 million people in the US with incomes greater than $50,000. How then can the global top 1% cut off be $35k?