ftp://ftp.bls.gov/pub/special.requests/ce/standard/2009/income.txt
http://research.stlouisfed.org/fred2/series/USARGDPC
This data actually wildly overstates the real consumption of people in 1967, since CPI is a gross overestimate of inflation.
If you believe living standards are declining, please list the set of goods and services that people had more of in 1967 than today. If you are correct, it shouldn't be hard - the answer should be most goods and services.