Replacement Level Fertility
About: Replacement level fertility is the level of fertility at which a population exactly replaces itself from one generation to the next. In developed countries, replacement level fertility can be taken as requiring an average of 2.1 children per woman.
Detail: Replacement level fertility” is the total fertility rate—the average number of children born per woman—at which a population exactly replaces itself from one generation to the next, without migration. The percentage of the world’s population that is above or below the ‘replacement level of fertility’ has long been used as a measure of demographic development.
