Panel Study on Income Dynamics

A national study on socioeconomics and family health over lifetimes and across generations funded by National Science Foundation (NSF). It is the longest running longitudinal household survey in the world, started in 1968 with a nationally representative sample of over 18,000 individuals living in 5,000 families in the United States. It is recognizing the importance of the socioeconomic data, available on this website without cost to researchers and analysts.

由美国国家科学基金会（NSF）资助的一项关于终身及跨代际社会经济学与家庭健康的国家级研究。该研究是全球持续时间最长的纵向家庭调查，始于1968年，涵盖了一个具有全国代表性的18,000多人的样本，他们生活在5,000个美国家庭中。研究重视社会经济数据的的重要性，网站上向研究人员和分析人员免费提供这些数据。