The birth rate is at one and a half children per woman.
The average birth rate is at 1.5 children per woman.
One study estimated the cost of bed rest per woman at $1,400.
In 1950 Russia had 75 men per 100 women; it now has 88.
In the late 1960's, these countries had an average fertility rate of 6.0 children per woman.
The country's fertility rate was almost 6.5 children per woman in 2007.
The higher sum would amount to $6,600 per American man, woman and child.
It takes an average of 2.1 children per woman to keep a population constant.
The total fertility rate was 6.4 per woman in 1999.
The total fertility rate is about 4 children per woman.
