I was generally under the impression that eating on less than $3/day was not particularly typical beyond poverty. I expected roughly $100/month for food, $200 if you indulge in anything like eating out/etc, if you were trying to save money.
A quick search pops up $~150/week as the average American food bill (four times what I came up with), and I found this page which gets more detailed.
What I take away from this is that most people probably could benefit financially from reducing meat intake, and most people seem to be spending more on food than is strictly necessary in general, at least in the US.
ETA: Unclear if we're talking about specific people or general groups. The $3000 for avoiding meat in Qiaochu_Yuan's informal survey tells me people value eating habits that come with lots of ridiculous drawbacks a bit more than I thought (and I previously thought people's values regarding eating were kinda screwy).
under the impression that eating on less than $3/day was not particularly typical beyond poverty
You're right that no one else I surveyed was spending that little, so it is unusual. I was just surprised to see expected savings larger than what I'm used to spending.
Your link says that "typical family of four in the United States making the median household income would have to double its food expenditures in order to eat what USDA nutritionists consider a healthy diet" but bases that claim on the cost estimates from the Thrifty Food plan. The ...
This is the public group instrumental rationality diary for August 1-15.
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