Measuring Income and Poverty in Four Surveys: an Overview. Exhibit 3A. Top-Codes, Poverty, Weights and Post-Stratification

08/09/2008

Exhibit 3A. Top-Codes, Poverty, Weights and Post-Stratification

  Current Population Survey Annual SupplementSurvey of Income and Program Participation
Earnings Top-CodesWages and salary from longest job top-coded at $200,000-Other wage and salary, self-employment and farm earnings top-coded at $35,000, $50,000 and $25,000 respectively-Value when top-coded is average across top-coded records in each of 12 demographic cells for each earnings source (some cells empty or collapsed)Each monthly earnings amount (main job, other wages and salary, and self-employment including farm) top-coded at $12,500 (equivalent to $150,000 annually) if 4-month sum from that source exceeds $50,000-Value when top-coded is average across top-coded records in each of 12 demographic cells for each earnings source (some cells empty or collapsed)
Other Income Top-CodesLarger of 97th percentile of dollar values or 99.5th percentile of persons 15 or over (whether or not have income)-Value when top-coded is average across top-coded recordsNo top-codes for Social Security, SSI, TANF, unemployment benefits, Workers Compensation and Veterans paymentsLarger of 97th percentile of dollar values or 99.5th percentile of persons 15 or over (whether or not have income)-Value when top-coded is top-codeNo top-codes for Social Security, SSI, TANF, unemployment benefits, Workers Compensation and Veterans payments
Poverty Status Family and DatePersons related by blood, marriage or adoption (CPS family)-Interview month (usually March) an average of 3 months after income reference yearPersons related by blood, marriage or adoption (CPS family)-Tabulations use December for construction of family units and consequent family composition and income amounts
Poverty Status in Paper2002 poverty status of CPS family as of the following March (usually) based on CPS income for yearDecember, 2002 based on pre-tax money income for year
Weights and DatePerson, family and household weights for subsequent March for all data collection monthsPerson, family and household weights for each month, year, and full panel
UniversesAnyone with person weight has family and household weights – 3 universes the sameAnyone with person weight has family and household weights – 3 universes the same
Person Control TotalsAge, sex, race/ethnicity, and State of residenceAge, sex, race/ethnicity, and marital and family status of householder
Family Control TotalsNoneNone
Income Control Totals NoneNone