He then completed a one-year Social Science Research Council postdoc in mathematical statistics at Columbia University.
[3] Land was a staff member of the Russell Sage Foundation for three years soon after completing his postdoc.
[3] Land has done extensive research on contemporary social trends and quality-of-life measurement, demography, criminology, formal organizations, and mathematical and statistical models and methods for the study of social and demographic processes.
[4][5] In 2017, the YMCA OF THE USA began a joint sponsorship of the Annual Child and Youth Well-Being Index (CWI) Reports from this project.
[6] Along with Raymond Teske and Hui Zheng, he has also researched capital punishment in Texas using monthly data on numbers of executions and homicides.