Although the best I could find for California was household average salary, it is 62k USD for Madera county and 55k for Kern county. These two counties make up the endpoints of the initial segment of California HSR, which is currently projected to cost $35 billion.
There’s definitely a gap, but it’s not a huge one.
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https://www.tradecommissioner.gc.ca/china-chine/wages-salaires.aspx?lang=eng
Average salaries in Beijing and Shanghai are 24k USD and 22k USD, respectively.
https://www.birmingham.gov.uk/download/downloads/id/2867/average_earnings_2022.pdf
Average salaries in Birmingham are 38k USD. In London, they’re 49k USD.
https://stacker.com/california/lowest-earning-counties-california
Although the best I could find for California was household average salary, it is 62k USD for Madera county and 55k for Kern county. These two counties make up the endpoints of the initial segment of California HSR, which is currently projected to cost $35 billion.
There’s definitely a gap, but it’s not a huge one.