[Statistical materials:  Part 2.  The distribution of families by number of children up to age 16 by Union Republic].
D019049:Developed Countries; D004467:Economics; D005191:Family Characteristics; D006079:Government Publications as Topic; D011154:Population Characteristics; D012106:Research; D012923:Social Class; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014586:USSR
Developed Countries; Economic Factors; Family And Household; Family Characteristics; Family Size; Government Publication; Population Statistics; Research Methodology; Socioeconomic Factors; Socioeconomic Status; Tables And Charts; Ussr