Survey

Year

Uninsured Estimate

Sample Size

Estimate Timeframe

State Estimates

Limitations

CPS

1998

44 million

116,000

Uninsured throughout calendar year

All

Some states have small sample size

SIPP #1

1994

19 million

47,000

Uninsured throughout calendar year

41 & DC^a

Many states have small sample size

SIPP #2

Oct. 1994- Sept. 1995

35 million

47,000

Average monthly number of uninsured

41 & DC^a

Many states have small sample size

BRFSS

1998

22 million

120,000

Uninsured at time of interview

All

Children and other household members not included

CTS

Jul. 1996- Jul. 1997

35 million

60,000

Uninsured at time of interview

Not possible

MEPS #1

Mar. – Jun. 1996

44 million

24,000

Uninsured throughout 3-6 month period

Not possible

State data must be accessed through NCHS Data Center

MEPS#2

1996

32 million

24,000

Uninsured throughout calendar year

Not possible

State data must be accessed through NCHS Data Center

NHIF

1997

41 million

103,477

Uninsured at time of interview

All

Some states have small sample size

NSAF

Feb. – Nov. 1997

36 million

110,000

Uninsured at time of interview

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