人口学包罗万象,变化多端,集多种学科之大成。人口学是十七世纪后期英国的一些“政治数学家”首创的,以后就趋向同经济学联在一起,1798年在马尔萨斯倡导性的著作里就是这样处理的。但是在北美,人口学往往被列为社会学的一门分科。某些有影响的人口学家,特别是在法国,是作为地理学家来培养的。人口学的 All-encompassing demography, changing, set a culmination of a variety of disciplines. Demography was pioneered by some British political mathematicians in the late seventeenth century and later tends to be associated with economics, as was done in the 1798 Malthusian advocacy book. But in North America, demography is often classified as a branch of sociology. Some influential demographers, especially in France, are trained as geographers. Demographic