2nd Demographic Change (SDT)
Supporters out-of SDT principle thought nonmarital childbearing as one of its signature points (Lesthaeghe and you can Surkyn 2002; van de Kaa 2001). Within the most elementary conceptualization, brand new SDT means a package off interrelated routines, and additionally cohabitation, declines otherwise delays in marriage, postponement regarding childbearing, and you will less than-replacement levels of virility (Lesthaeghe and you will Neidert 2006; McLanahan 2004; Sobotka et al. 2003). Dirk van de Kaa (2001) further given that behavioural transform of SDT take place in a series, starting with declines regarding total virility rate and moving on as a result of fifteen amount one to culminate regarding the decoupling away from relationships and fertility. Read More