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. Author manuscript; available in PMC: 2024 Jul 12.
Published in final edited form as: Sociol Methods Res. 2018 May 6;49(4):1133–1162. doi: 10.1177/0049124118769085

Table 4.

CPS Turnout Gap by Mode and Report.

Face-to-face Mode Telephone Mode


Self-reports Proxy Reports Self-reports Proxy Reports




Year VEP Turnout Estimated Turnout Gap Estimated Turnout Gap Estimated Turnout Gap Estimated Turnout Gap

2008 62 70 8 65 3 79 16 72 10
2006 41 50 9 45 4 60 18 53 11
2004 61 68 7 63 3 76 16 71 10
2002 41 48 7 45 4 56 16 50 10
2000 55 63 8 58 2 71 16 65 10
1998 39 47 7 44 5 53 13 48 8
1996 52 59 7 54 3 68 16 62 10
Average 8 3 16 10

Source: Current Population Survey, indicated years, November supplements.

Note: “VEP turnout” is the turnout rate among the voting eligible population based on government turnout data. Sampling errors are less than 1 percentage point using generalized variance estimation. CPS = Current Population Survey.