This map shows an estimate from the US Bureau of the Census based on statistics from population censuses, vital statistics registration systems, or sample survey ...
An estimate of the number of daughters each woman would give birth to who would survive into their childbearing years, if each woman and daughter was subjected t ...
This maps the change in Net Reproductive Rate between the 5 year period at the beginning of the previous decade and the 5 year period that ended this decade. NRR ...