“... in Population and Development Review 6(4): 645–650. Axinn , W. G. and A. Thornton . 1993 . “ Mothers, children, and cohabitation: The intergenerational effects of attitudes...”

“...Demographic research frequently reports consistent and significant associations between formal educational attainment and a range of health risks such as...”

“...Immigration reforms in the United States initiated in the 1960s are widely thought to have opened the door to mass immigration from Asia and Latin America by...”

“...The household registration (hukou) system in China, classifying each person as a rural or an urban resident, is a major means of controlling populatin mobility...”

“...Nearly every European country has experienced some increase in nonmarital childbearing, largely due to increasing births within cohabitation. Relatively few...”

“...Post-reproductive longevity is a robust feature of human life and not only a recent phenomenon caused by improvements in sanitation, public health, and medical...”

“... of a female deficit in China, 2000–2050 ”, Population and Development Review 32 ( 4 ): 755 – 770 . Attané , I. and C. Z. Guilmoto (eds.). 2007 . Watering the Neighbour's...”

“...References Bongaarts , John 2002 . “The end of the fertility transition in the developed world,” Population and Development Review 28 ( 3 ): 419 – 443...”