This article describes trends in the limits to late childbearing, their determinants, and their
potential implications from an empirical long-term perspective. Although in contemporary …

This study develops and applies a general framework for the analysis of the period quantum
and tempo of life-cycle events, extending methods developed previously by the authors. The …

Background Nigeria's population is projected to increase from 200 million in 2019 to 450
million in 2050 if the fertility level remains at the current level. Thus, we examined the shifts …

Assisted reproduction has a minor but increasing influence on childbearing trends in
advanced societies. In Denmark, the use of assisted reproduction technology (ART) has …

Dentro de los estudios de población, las indagaciones en torno a la reproducción humana
están siendo ampliamente debatidas en la actualidad en el escenario internacional. Aún …

1. BACKGROUND The terms “tempo effect” and “tempo distortion” were first introduced in
the demographic literature by Norman Ryder, who made a series of fundamental …

Short-term variations in fertility and seasonal patterns of childbearing have been of interest
to demographers for a long time. Presenting our detailed study of period fertility in Austria …

Most European societies have experienced a marked decline in the number of births during
the last decades. This study aims to contribute to our understanding of the past twists in the …

El artículo discute la pertinencia de los llamados indicadores refinados de fecundidad para
evaluar el nivel de la fecundidad en los países de América Latina. La principal ventaja de …

This paper examines the family policy reforms of 2007 in Russia that were aimed explicitly at
encouraging second and higher-order births, and analyses their impact on fertility. The …