An additional 100,000 Jews in institutional settings were not sampled as part of NJPS but are included in the total.
As part of the 2000 NJPS, a Jew was defined as a person: There were no survey performed in 2010 due to the lack of funding.
The 2000-01 NJPS – which by some estimates cost nearly $6 million, far more than budgeted – was widely criticized, both for its findings and for its methodology.
[2] The demographer Gary Tobin fiercely criticized the Survey, saying that the it severely undercounted American Jews due to methodological flaws[3] and calling it "utter nonsense".
[4] He estimated that over a million more Jews were present in the United States than the 2000 Survey suggested.