According to the Bureau of Labor Statistics (which tracks household expenditures), the average "consumer unit" in 2012 spent $6,599/year on food for 2.5 people,

According to the Bureau of Labor Statistics (which tracks household expenditures), the average "consumer unit" in 2012 spent $6,599/year on food for 2.5 people, of which $3,921 on groceries, and $2,678 on eating out. That works out to to about $7.25/person/day, of which $4.30 groceries and $2.95 eating out. Source: http://www.bls.gov/news.release/cesan.nr0.htm http://www.bls.gov/news.release/cesan.nr0.htm