1981 census of populations (Part 6):  changes in work and education patterns and family income, 1970-1980.
D000569:Americas; D002170:Canada; D019352:Censuses; D019049:Developed Countries; D003906:Developing Countries; D004467:Economics; D004522:Educational Status; D004651:Employment; D006280:Health Workforce; D007182:Income; D009656:North America; D011154:Population Characteristics; D012106:Research; D012923:Social Class; D012959:Socioeconomic Factors
Americas; Canada; Census; Developed Countries; Developing Countries; Economic Factors; Educational Status; Employment Status; Human Resources; Income; Labor Force; North America; Northern America; Population Statistics; Research Methodology; Socioeconomic Factors; Socioeconomic Status