Calot Gérard. ? The Measurement of Rates in Demography : Rates by Age in Completed Years versus Rates by Age reached during the Calendar Year. Presentation of the Issue n° 104 in the INED Series. According to countries and to periods, age-specific rates by year of observation are established...

Calot (Gérard). - Relationships between Cohort and Period Demographic Indicators Demographers commonly distinguish between period indices which refer to observations at a point in time and cohort indices which refer to generations. In this study we are concerned with establishing relationships...

rates of births by the registration system. The rate of omissions of deaths can also be derived from these results, on the basis of the absence of international migration, provided that the yearly series of population numbers is correct. The results one gets lead to seriously question some...

This account reports on a project in progress that aims to obtain a comprehensive picture of contemporary fertility levels and trends in 27 low-fertility countries. Cohort analysis is applied to review the fertility experience of women born from the 1930s through the 1970s. This choice of dates...