[The boundary between the broadened and constricted character of reproduction by the populations of economically developed nations].
D002170:Canada; D005060:Europe; D005298:Fertility; D007564:Japan; D011158:Population Growth; D014481:United States; D014798:Vital Statistics
O grani mezhdu rasshirennym i suzhennym kharakterom vosproizvodstva naseleniia v ékonomicheski razvitykh stranakh.