It also provides preterm birth rates
by race and ethnicity for each state and applies a disparity index that ranks states.
Governments in these countries generally favor higher birth rates
to maintain the workforce tax base needed to fund pensions, health care and other government benefits for the elderly, but higher fertility imposes large costs on families because it is they, rather than governments, that bear most of the costs of raising children.
1 per 100, which is one of the lowest birth rates
in the country.
However, the country's overall birth rate
is at its lowest in 10 years.
Identifying the interactions among marriage, fertility, and other factors behind the increase in both the birth rate
(per 1,000 women) and birth share (the fraction of all births) attributable to unmarried women has proven extraordinarily difficult, particularly so against a backdrop of relatively constant total birth rates
(TBRs) in the United States since the mid-1970s.
This is particularly challenging during the current extended period of increased birth rates
Teen birth rates
fell sharply in the United States between 2007 and 2011, with all but two states marking a 15% or bigger drop, according to the Centers for Disease Control and Prevention.
Global, national and regional estimates and trends of pre-term birth rates
from 1990 to 2010 were assessed from data published or supplied by 184 countries during a WHO consultation.
Some analysts think the main force driving the low birth rates
of recent years has been the economy and lack of jobs.
ACCESS to free fertility treatment has a small but positive effect on national birth rates
, a European study has shown.
The study was based on data from the National Vital Statistics System and found teen birth rates
fell in all but three states during 2007-2010: Montana, North Dakota and West Virginia.
Similarly, birth rates
among all other adolescents dropped to historic lows last year as well, according to the 36-page report entitled "Births: Preliminary Data for 2010" (Nat.
teen birth rates
at an all-time low, but Texas still records some of the highest rates in the country.
The relative birth rates
of Jews and Muslims is a sensitive issue in Israel as it vies to remain a Jewish and democratic state.
The world's highest birth rates
are in Niger at 51.