楼下讨论过在加州湾区年收入要达到多少才能归入“上中产”，AI说至少12.8万。

In the Bay Area, the income threshold for the upper middle class is among the highest in the country, typically ranging from $128,000 to $256,000 annually. This means a household needs to earn at least $128,000 and up to $256,000 to be considered part of the upper middle class in the Bay Area. 

 

Elaboration:

• High Cost of Living:

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  The Bay Area's high cost of living, particularly housing, drives up the income needed to maintain a middle-class lifestyle. 

   
• Median Income:

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  The median household income in the San Francisco-Oakland-Berkeley metro area is $128,151, and the middle class is defined as households earning between two-thirds and double the median income. 

   
• Upper Middle Class:

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  Therefore, the upper middle class in the Bay Area generally earns between $128,000 and $256,000 per year.