the ratio of live births in an area to the population of that area; expressed per 1000 population per year
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
the property of producing abundantly and sustaining vigorous and luxuriant growth
the state of being fertile; capable of producing offspring
a magnitude or frequency relative to a time unit
amount of a charge or payment relative to some basis
assign a rank or rating to
estimate the value of
the relative speed of progress or change
