How these measures have affected the replacement rates can be seen in table 14.2.

As a result, the replacement rate of ships drops dramatically.

To maintain a stable population size, the necessary replacement rate is 2.1 children per couple.

The United States figure is barely 2.0, and it has been below the replacement rate for 30 years.

Does he realise that, given the present replacement rate, the average bus will be on the road for 30 years?

The starting point for most retirement plans is the so-called replacement rate.

This will lead to problems like marriage squeeze and lower replacement rate.

In several European nations replacement rates have even become negative.

None the less, women married for the first time in the 1930s actually had family sizes only just below replacement rate.

Is there any reason to suppose that individual decisions on family size will result in an average which happens to be the replacement rate?