Number of births by age and marital status of mother; and number of women of reproductive age by age and marital status.
When fertility data is collected through population censuses and household surveys, both data on births and data on number of women by age are available from the same data collection instrument. However, when data on births are collected from civil registration system, additional data on population by sex, age and other characteristics required need to be estimated based on population censuses and household surveys.
Number of children ever born by age of mother.
Additional breakdowns commonly used for fertility statistics are educational attainment of the mother, urban/rural areas, geographic areas, and ethnicity.
Contraceptive use by sex, age and method of contraception
In order to estimate the unmet need for family planning, information on several other characteristics is needed: marital status (as a proxy for being sexually active), pregnancy status, wantedness of current pregnancy, post-partum amenorrhea status, infecundity, and desires to delay or stop childbearing (see Bradley et al., 2012).
Additional breakdowns commonly used for contraceptive use statistics are number of own children, educational attainment, urban/rural areas, geographic areas, and ethnicity.