section 13 labor force employment and earnings this presents statistics on the its distribution by occupation industry affiliation supply of demand for conditions chief source these data is current population survey conducted us bureau census comprehensive historical are published bls in derived from popu lation 1948 87 bulletin 2307 supplemented a basis monthly publications em ployment review detailed also available s decennial types most obtained two methods household interviews or questionnaires reports establishment payroll records each method provides which other cannot suitably popula tion characteristics example readi ly obtainable only sur vey while industrial classifications can be readily establish ment sample cps used to gather
